Editing Waterloo, Iowa

{{Use mdy dates|date=June 2022}}
{{Infobox settlement
| name               = Waterloo, Iowa
| settlement_type    = [[List of cities in Iowa|City]]
| named_for          = <!-- Images -->
| image_skyline      = {{multiple image
| border                 = infobox
| total_width            = 300
| image_style            = border:1;
| perrow                 = 1/2/2
| image1 = Waterloo, Iowa (2022).jpg
| image2 = Waterloo_IA_Public_Library_West_pic2.JPG
| image3 = 415WalnutWaterloo.jpg
| image4 = MountMoriahBaptist.jpg
| image5 = Sans_Souci_Island_looking_east_over_Cedar_River.png
}}
| image_caption      = From left to right, from top: Downtown, Waterloo Public Library, [[Walnut Street Baptist Church (Waterloo, Iowa)|Walnut Street Baptist Church]], [[Mount Moriah Baptist Church]], and [[Cedar River (Iowa River tributary)|Cedar River]] from [[Sans Souci Island]]
| image_flag         = Flag of Waterloo, Iowa.svg
| image_seal         = File:Seal_of_Waterloo,_Iowa_(2022).png
| image_map          = Black_Hawk_County_Iowa_Incorporated_and_Unincorporated_areas_Waterloo_Highlighted.svg
| map_caption        = Location within [[Black Hawk County, Iowa|Black Hawk County]] and [[Iowa]]
| pushpin_map        = Iowa#USA
| pushpin_relief     = yes
| pushpin_label      = Waterloo
<!-- Location -->| subdivision_type   = Country
| subdivision_name   = [[US]]
| subdivision_type1  = State
| subdivision_name1  = [[Iowa (U.S. state)|Iowa]]
| subdivision_type2  = [[List of counties in Iowa|County]]
| subdivision_name2  = [[Black Hawk County, Iowa|Black Hawk]]
<!-- Government -->| established_title  = Founded
| established_date   = 
| established_title1 = [[Platted]]
| established_date1  = 
| established_title2 = [[Municipal corporation|Incorporated]]
| established_date2  = 1868
| government_footnotes = 
| government_type    = 
| leader_title       = Mayor
| leader_name        = <!-- Area -->
| area_footnotes     = <ref name="CenPopGazetteer2020">{{cite web|title=2020 U.S. Gazetteer Files|url=https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2020_Gazetteer/2020_gaz_place_19.txt|publisher=United States Census Bureau|accessdate=March 16, 2022}}</ref>
| area_total_sq_mi   = 63.43
| area_land_sq_mi    = 61.59
| area_water_sq_mi   = 1.84
| area_total_km2     = 164.29
| area_land_km2      = 159.53
| area_water_km2     = 4.76
| unit_pref          = Imperial
<!-- Population -->| population_footnotes = 
| population_as_of   = [[2020 United States census|2020]]
| population_total   = 67314
| population_density_sq_mi = 1092.85
| population_density_km2 = 421.95
| population_metro   = 169895
| population_rank    = [[List of largest Iowa cities by population|8th in Iowa]]
<!-- General information -->| timezone           = [[Central Time Zone|CST]]
| utc_offset         = −6
| timezone_DST       = CDT
| utc_offset_DST     = −5
| elevation_footnotes = <ref name=gnis/>
| elevation_ft       = 883
| coordinates_footnotes = <ref name=gnis/>
| coordinates        = {{coord|42|30|50|N|92|20|46|W|region:US-IA|display=inline,title}}
<!-- Area/postal codes and others -->| postal_code_type   = [[ZIP code]]s
| postal_code        = 50701-50707
| area_code_type     = [[North American Numbering Plan|Area code]]
| area_code          = [[Area code 319|319]]
| blank_name         = [[Federal Information Processing Standard|FIPS code]]
| blank_info         = 19-82425
| blank1_name        = [[Geographic Names Information System|GNIS ID]]
| blank1_info        = 468951<ref name=gnis>{{GNIS|468951}}</ref>
| website            = {{URL|http://cityofwaterlooiowa.com/}}
}}

'''Waterloo''' is a city in and the [[county seat]] of [[Black Hawk County, Iowa|Black Hawk County]], [[Iowa]], United States.<ref name="GR6">{{cite web|url=http://www.naco.org/Counties/Pages/FindACounty.aspx|access-date=June 7, 2011|title=Find a County|publisher=National Association of Counties}}</ref> As of the [[2020 United States census]] the population was 67,314, making it the [[List of cities in Iowa|eighth-most populous city in the state]].<ref name=cen2020>{{cite web |title=2020 Census State Redistricting Data |url=https://www2.census.gov/programs-surveys/decennial/2020/data/01-Redistricting_File--PL_94-171/Iowa/ |website=census.gov |publisher=United states Census Bureau |access-date=August 12, 2021}}</ref>

Waterloo comprises a twin conurbation with neighbor municipality [[Cedar Falls, Iowa|Cedar Falls]]. Waterloo is part of the [[Waterloo – Cedar Falls metropolitan area|Waterloo-Cedar Falls Metropolitan Statistical Area]], and is the more populous of the two cities.

[[File:Waterloo-Iowa-West-Fourth-Street-1910-postcard.jpeg|thumb|West Fourth Street, 1910]]

==History==
[[File:WaterlooIABetter.gif|thumb|Flag of Waterloo (until 2022)]]
Waterloo was originally known as '''Prairie Rapids Crossing'''.<ref>{{Cite web|url=http://www.public.iastate.edu/~rfindlay/history.html|title=City Profile|website=public.iastate.edu|access-date=2017-12-20|archive-url=https://web.archive.org/web/20080625065021/http://www.public.iastate.edu/~rfindlay/history.html|archive-date=June 25, 2008|url-status=dead}}</ref> The town was established near two [[Meskwaki]] American tribal seasonal camps alongside the [[Cedar River (Iowa River)|Cedar River]]. It was first settled in 1845 when George and Mary Melrose Hanna and their children arrived on the east bank of the Red Cedar River (now just called the Cedar River). They were followed by the Virden and Mullan families in 1846. Evidence of these earliest families can still be found in the street names Hanna Boulevard, Mullan Avenue and Virden Creek.

On December 8, 1845, the ''Iowa State Register and Waterloo Herald'' was the first newspaper published in Waterloo.<ref name="WHC BHChistory">{{Cite book|title=The History of Black Hawk County|publisher=Western Historical Company|year=1878|location=Chicago|pages=[https://archive.org/details/cu31924028913832/page/n374 383] (pdf-375)|url=https://archive.org/details/cu31924028913832}}</ref>

The name Waterloo supplanted the original name, Prairie Rapids Crossing, shortly after Charles Mullan petitioned for a post office in the town. Since the signed petition did not include the name of the proposed post office location, Mullan was charged with selecting the name when he submitted the petition. Tradition has it that as he flipped through a list of other post offices in the United States, he came upon the name Waterloo. The name struck his fancy, and a post office was established under that name. There were two extended periods of rapid growth over the next 115 years. From 1895 to 1915, the population increased from 8,490 to 33,097, a 290% increase. From 1925 to 1960, population increased from 36,771 to 71,755. The 1895 to 1915 period was a time of rapid growth in manufacturing, rail transportation and wholesale operations. During this period the [[Waterloo Gasoline Traction Engine Company]] moved to Waterloo and, shortly after, the [[Rath Packing Company]] moved from [[Dubuque, Iowa|Dubuque]]. Another major employer throughout the first two-thirds of the 20th century was the [[Illinois Central Railroad]]. Among the others was the less-successful [[brass era]] automobile manufacturer, the [[Maytag-Mason Motor Company]].<ref>Clymer, Floyd. ''Treasury of Early American Automobiles, 1877–1925'' (New York: Bonanza Books, 1950), p.93.</ref>

On June 7, 1934, [[bank robber]] [[Tommy Carroll (criminal)|Tommy Carroll]] had a shootout with the [[FBI]] when he and his wife stopped to pick up gas. Accidentally parking next to a police car and wasting time dropping his gun and picking it back up, Carroll was forced to flee into an alley, where he was shot. He was taken to Allen Memorial Hospital in Waterloo, where he soon died.

Waterloo suffered in the [[agricultural recession of the 1980s]]; its major employers at the time were heavily rooted in agriculture. John Deere, the area's largest employer, cut 10,000 jobs, and the Rath meatpacking plant closed altogether, losing 2,500 jobs. It is estimated that Waterloo lost 14% of its population during this time.<ref>{{cite web|url= http://www.public.iastate.edu/~rfindlay/history.html|title= City Profile<!-- Bot generated title -->|access-date= September 10, 2007|archive-url= https://web.archive.org/web/20080625065021/http://www.public.iastate.edu/~rfindlay/history.html|archive-date= June 25, 2008|url-status= dead}}</ref> Today the city enjoys a broader industrial base, as city leaders have sought to diversify its industrial and commercial mix. Deere remains a strong presence in the city, but employs only roughly one-third the number of people it did at its peak.

=== African American community ===
In 1910, black railroad workers were brought in as strikebreakers to the Waterloo area.<ref name="Halpern">{{Cite book|title = Meatpackers: An Oral History of Black Packinghouse Workers and Their Struggle for Racial and Economic Equality|url = https://books.google.com/books?id=8N9WCgAAQBAJ|publisher = NYU Press|date = March 1, 1999|isbn = 9781583670057|first1 = Rick|last1 = Halpern|first2 = Roger|last2 = Horowitz}}</ref><ref name=":0">{{cite web|title = Waterloo rallies to combat violence, racial divides|url = http://www.desmoinesregister.com/story/news/local/kyle-munson/2015/07/11/african-american-black-iowa-waterloo/29942799/|website = Des Moines Register|access-date = 2016-02-15}}</ref> Black workers were relegated to 20 square blocks in Waterloo, an area that remains the east side to this day.<ref name="Halpern"/><ref name=":0" /> In 1940, more black strikebreakers were brought in to work in the [[Rath Packing Company|Rath meat plant]].<ref name="Foster">{{cite web|title = The 10th Worst City for African Americans in the U.S. has a Story: This is How the Dream Derailed: The History of African Americans in Waterloo, Working at Rath, Where is Today's Local 46?|url = https://medium.com/@dmegivern/the-10th-worst-city-for-african-americans-in-the-u-s-has-a-story-this-is-how-the-dream-derailed-9a1e12a8ad41#.c27ch0ul7|website = Medium|date = October 26, 2015|access-date = 2016-02-15|first = Deborah|last = Foster|archive-date = February 23, 2016|archive-url = https://web.archive.org/web/20160223150523/https://medium.com/@dmegivern/the-10th-worst-city-for-african-americans-in-the-u-s-has-a-story-this-is-how-the-dream-derailed-9a1e12a8ad41#.c27ch0ul7|url-status = dead}}</ref> In 1948, a black strikebreaker killed a white union member. Instead of a race riot, a strike ensued against the Rath Company. The [[National Guard (United States)|National Guard]] was called in to end the 73-day strike.<ref name="Foster"/>

==== Civil rights ====
[[United Packinghouse Workers of America]] became the main union of the Rath Company, welcoming black workers,<ref name=":1">{{Cite journal|title = The Politics of Youth: Civil Rights Reform in the Waterloo Public Schools|last = Schumaker|first = Kathryn|date = 2013|journal = The Annals of Iowa |volume=72|issue = 4|pages = 353–385|doi = 10.17077/0003-4827.1740|doi-access = free}}</ref> but United Auto Workers Local 838 continued to refuse black members.<ref name=":2">{{cite web|title = Report: Waterloo is Iowa's most segregated large city|url = https://medium.com/@dmegivern/the-10th-worst-city-for-african-americans-in-the-u-s-has-a-story-this-is-how-the-dream-derailed-9a1e12a8ad41#.c27ch0ul7|website = Waterloo Cedar Falls Courier|access-date = 2016-02-15|first = Tim|last = Jamison|archive-date = February 23, 2016|archive-url = https://web.archive.org/web/20160223150523/https://medium.com/@dmegivern/the-10th-worst-city-for-african-americans-in-the-u-s-has-a-story-this-is-how-the-dream-derailed-9a1e12a8ad41#.c27ch0ul7|url-status = dead}}</ref> With the power of the union, Anna Mae Weems, Ada Treadwell, Charles Pearson and Jimmy Porter formed an anti-discrimination department at Rath by the 1950s. This department helped organize protests against local places that discriminated against blacks.<ref name="Halpern"/>

Porter would go on to organize the first black radio station in Waterloo, KBBG, in 1978.<ref name=":0" /><ref name=":1" /> Weems became the head of the anti-discrimination department and local NAACP chapter.<ref name="Halpern"/>

On May 31, 1966, Eddie Wallace Sallis was found dead in the local jail. The black community felt the death was suspicious, and protests were held. On June 4, Weems led a march on city hall to encourage investigation into his death.<ref name=":0" /><ref name=":1" /> The march led to the creation of the Waterloo Human Rights Commission, which lasted only a year due to lack of funding.<ref name="Foster"/>

On Sept. 7, 1967, a city report, "Waterloo's Unfinished Business", was released.<ref name=":3">{{cite web|title = Waterloo race relations still an issue 40 years after city report|url = http://wcfcourier.com/news/top_story/waterloo-race-relations-still-an-issue-years-after-city-report/article_42d89ae7-9c4e-5048-9877-ad949bbfc893.html|website = Waterloo Cedar Falls Courier|access-date = 2016-02-15|first = AMIE STEFFEN Courier Staff|last = Writer| date=September 9, 2007 }}</ref> The report covered the ongoing problems in housing, education and employment faced by Waterloo's black community. It confirmed the housing bias faced by black residents, that many of the schools were generally 80% of one race, and that 80% of black residents held service jobs.<ref name=":3" /> In a 2007 article, the Courier covered some changes in the 40 years since, finding that housing was now mostly divided by socioeconomic status, schools still violated the desegregation plan, and black unemployment was still double that of white residents.<ref name=":3" />

The [[Iowa Supreme Court]] outlawed school [[Racial segregation|segregation]] in 1868.<ref name="Foster"/> A 1967 commission found most schools were still segregated and recommended immediate desegregation, which Mayor Lloyd Turner opposed.<ref name=":1" /> In 1969, the Waterloo school board voted to allow open enrollment in all their schools to encourage integration. Many parents felt it was not enough.<ref name=":1" /> Despite the efforts between 1967 and 1970, already-black schools in the area increased in their segregation.<ref name=":1" />

==== Protests and riots ====
By the 1960s, Rath was declining and jobs there were harder to come by. A federal government program trained 1,200 local youths with the promise of summer jobs, only to hire two as bricklayers.<ref name="Halpern"/> Starting in the summer months of 1966,<ref name="news.google.com">{{cite web|title = The Telegraph – Google News Archive Search|url = https://news.google.com/newspapers?nid=2209&dat=19670726&id=C64rAAAAIBAJ&sjid=kf0FAAAAIBAJ&pg=6840,2694969&hl=en|website = news.google.com|access-date = 2016-02-15}}</ref> Waterloo was subject to riots over race relations between the white community and the black community. Many white residents expressed confusion as to why riots were occurring in Waterloo,<ref name=":1" /><ref name="news.google.com"/> while younger black residents felt they were being treated unfairly, as their conditions seemed worse than those of their white neighbors.<ref name="news.google.com"/> In 1967, the black population of Waterloo was equivalent to 8%, and according to the Courier, had a 4% unemployment rate.<ref name="news.google.com"/> Waterloo was segregated at the time, as 95% of its black population lived in "East" Waterloo.<ref name="news.google.com"/> While the white community felt East High was integrated with a 45% black student body, the black community pointed out that the elementary school in East Waterloo had only one white pupil.

Protests were mostly organized by black youths aged 16–25.<ref name=":3" /><ref name="news.google.com"/> Protests became riots when the youth felt protesting wasn't effective.<ref name="news.google.com"/> Protests turned into riots in July 1968<ref name="news.google.com"/> and reached a critical mass by September, with buildings on East 4th street torched and vandalized.<ref name=":3" />

In August 1968, East High students Terri and Kathy Pearson gave the principal a list of grievances detailing how they felt the discrimination could be lessened. The principal refused to implement any of the requested changes.<ref name=":1" /> Student protests and walkouts continued through September. Students were angry that no African American history course was being taught, and that [[interracial dating]] was discouraged by teachers and administrators.<ref name=":1" />

On September 13, 1968, during an East High School football game, police attempted to arrest a black youth.<ref name=":0" /> He resisted arrest, drawing attention of students in the stands. Black students fought and argued with the police, and police responded by using clubs and mace.<ref name=":1" /> The riot continued into the east side of Waterloo, with a subsequent fire that claimed a lumber mill and three homes. There was an attempt to set East High on fire as well.<ref name=":1" /> The riot lasted until midnight and resulted in seven officers injured and thirteen youths jailed. The National Guard was called in the following day. The riots were called off and a solution was reached thanks to civil rights leader William G Parker.<ref name=":1" />

==== 21st century ====
In 2003, Governor [[Tom Vilsack]] created a task force to close the racial achievement gap in Waterloo.<ref>{{cite news|title = Vilsack looking to Waterloo in closing achievement gap for black males|url = http://wcfcourier.com/news/metro/vilsack-looking-to-waterloo-in-closing-achievement-gap-for-black/article_425ff00a-ac34-5c70-bf5e-8b6c53bd3bcd.html|work = Waterloo Cedar Falls Courier|access-date = 2016-02-15|first = Andrew |last = Wind}}</ref> In 2009, a fair housing report, "Analysis of Impediments to Fair Housing Choice", compiled by Mullin & Lonergan Associates Inc., found Waterloo to be Iowa's most segregated city.<ref name=":2" /> "Historical patterns of racial segregation persist in Waterloo. Of the 20 cities in Iowa with populations exceeding 25,000, Waterloo ranks as the most segregated".<ref name=":2" />

Many activists who participated in the original protests feel that Waterloo has remained the same.<ref name=":0" /><ref name=":3" /> In 2015, The Huffington Post listed Waterloo as the 10th worst city for black Americans.<ref>{{cite web|title = The Worst Cities For Black Americans|url = http://www.huffingtonpost.com/entry/worst-cities-black-americans_us_5613d10ee4b0baa355ad322f|website =Huffington Post|date = October 6, 2015|access-date = 2016-02-15}}</ref> The site noted that the city's black residents have a 24% unemployment rate compared to 3.9% for whites, giving Waterloo one of the highest black unemployment rates among Midwest cities.<ref name=":0" /> Waterloo still has a higher percentage of blacks than most Iowa cities.<ref name=":0" />

In December 2012, Derrick Ambrose Jr. was shot by a police officer. Ambrose's family maintains he was unarmed, while the officer stated that he felt his life was in danger. A grand jury acquitted the officer. The shooting sparked outrage in the community.<ref name=":0" />

===== Flood of 2008 =====
[[File:WaterlooAISandbagsJune2008FEMABig.jpg|thumb|Waterloo after the June 2008 flood]]

June 2008 saw the worst flooding the Waterloo – [[Cedar Falls, Iowa|Cedar Falls]] area had ever recorded; other major floods include the [[Great Flood of 1993]]. The flood control system constructed in the 1970s–90s largely functioned as designed.{{Citation needed|date=October 2024}}

== Geography ==
[[File:IAMap-doton-Waterloo.PNG|right|175px|Location of Waterloo, Iowa]]

According to the [[United States Census Bureau]], the city has a total area of {{convert|63.23|sqmi|sqkm|2}}, of which {{convert|61.39|sqmi|sqkm|2}} is land and {{convert|1.84|sqmi|sqkm|2}} is water.<ref name="Gazetteer files">{{cite web|title=US Gazetteer files 2010 |url=https://www.census.gov/geo/www/gazetteer/files/Gaz_places_national.txt |publisher=[[United States Census Bureau]] |access-date=May 11, 2012 |url-status=dead |archive-url=https://web.archive.org/web/20120702145235/http://www.census.gov/geo/www/gazetteer/files/Gaz_places_national.txt |archive-date=July 2, 2012 }}</ref>

The average elevation of Waterloo is 846 feet above sea level. The population density is 1101 people per square mile, considered low for an urban area.<ref name="citydatawaterloo">{{cite web|url= http://www.city-data.com/city/Waterloo-Iowa.html|title=City Data website|publisher=Waterloo-Iowa|access-date=November 24, 2010}}</ref>

=== Climate ===
Waterloo has a [[humid continental climate]] zone ([[Köppen climate classification|Köppen classification]] ''Dfa''),<ref name = koppen>{{Cite journal | last1 = Kottek | first1 = M. | last2 = Grieser | first2 = J. R. | last3 = Beck | first3 = C. | last4 = Rudolf | first4 = B. | last5 = Rubel | first5 = F. | title = World Map of the Köppen-Geiger climate classification updated | doi = 10.1127/0941-2948/2006/0130 | journal = Meteorol. Z. | volume = 15 | issue = 3 | pages = 259–263 | year = 2006 | url = http://www.schweizerbart.de/resources/downloads/paper_free/55034.pdf| bibcode = 2006MetZe..15..259K }}</ref> typical of the state of Iowa, and is part of [[USDA]] Plant [[Hardiness zone]] 5a.<ref>{{cite web |url = http://planthardiness.ars.usda.gov/PHZMWeb/# |title = USDA Plant Hardiness Zone Map |publisher = USDA/Agricultural Research Center, PRISM Climate Group Oregon State University |access-date = 2016-09-12 |url-status = dead |archive-url = https://web.archive.org/web/20140227032333/http://planthardiness.ars.usda.gov/PHZMWeb/ |archive-date = February 27, 2014 |df = mdy-all }}</ref> The normal monthly mean temperature ranges from {{convert|18.5|F}} in January to {{convert|73.6|F}} in July. On average, there are 22&nbsp;nights annually with a low at or below {{convert|0|F}}, 58&nbsp;days annually with a high at or below freezing, and 16&nbsp;days with a high at or above {{convert|90|F}}. As the mean first and last occurrence of freezing temperatures is October&nbsp;1 and April&nbsp;29, respectively, this allows for a growing season of 154 days. Temperature records range from {{convert|-34|F}} on March 1, 1962, and January 16, 2009, up to {{convert|112|F}} on July 13 and 14, 1936, during the [[Dust Bowl]]. The record cold daily maximum is {{convert|-16|F}} on February 2, 1996, while conversely the record warm daily minimum is {{convert|80|F}} on July 31, 1917, and August 16, 1988.<ref name= NOAA/>

[[File:Monthly Climate Normals (1991-2020) - Waterloo Area, IA(ThreadEx).svg|thumb|right|Climate chart for Waterloo]]
Normal annual precipitation equivalent is {{convert|34.60|in|mm|0}} spread over an average of 112&nbsp;days, with heavier rainfall in spring and summer, but observed annual rainfall has ranged from {{convert|17.35|to|53.07|in|mm|0}} in 1910 and 1993, respectively. The wettest month on record is July 1999 with {{convert|12.82|in|mm|0}}; on the 2nd of that month, {{convert|5.49|in|mm|0}} of rain fell, making for the heaviest rainfall in a single calendar day. The driest months are October 1952 and November 1954 with trace amounts in each month.<ref name= NOAA/>

Winter snowfall is moderate, and averages {{convert|35.3|in|cm|0}} per season, spread over an average of 27&nbsp;days, and snow cover of {{convert|1|in|cm}} or more is seen on 67&nbsp;days, mostly from December to March. Winter snowfall has ranged from {{convert|11.6|in|cm|1}} in 1967–68 to {{convert|68.5|in|cm|1}} in 1904–05. The most snow in a calendar day and month is {{convert|13.2|and|33.9|in|cm|1}} on January 3, 1971, and in December 2000, respectively.<ref name= NOAA/>

{{Weather box
|location = [[Waterloo Regional Airport]] (1991–2020 normals,{{efn|Mean monthly maxima and minima (i.e. the expected highest and lowest temperature readings at any point during the year or given month) calculated based on data at said location from 1991 to 2020.}} extremes 1895–present)
|single line = Y
|collapsed = Y
|Jan record high F = 65
|Feb record high F = 78
|Mar record high F = 87
|Apr record high F = 100
|May record high F = 108
|Jun record high F = 107
|Jul record high F = 112
|Aug record high F = 110
|Sep record high F = 102
|Oct record high F = 95
|Nov record high F = 83
|Dec record high F = 74
|year record high F =
|Jan avg record high F = 47.5
|Feb avg record high F = 51.7
|Mar avg record high F = 70.5
|Apr avg record high F = 82.7
|May avg record high F = 88.8
|Jun avg record high F = 93.3
|Jul avg record high F = 94.3
|Aug avg record high F = 91.7
|Sep avg record high F = 90.6
|Oct avg record high F = 82.9
|Nov avg record high F = 67.5
|Dec avg record high F = 51.5
|year avg record high F = 95.9
|Jan high F = 28.2
|Feb high F = 32.6
|Mar high F = 46.5
|Apr high F = 60.9
|May high F = 72.8
|Jun high F = 82.2
|Jul high F = 85.0
|Aug high F = 82.9
|Sep high F = 76.8
|Oct high F = 63.0
|Nov high F = 47.1
|Dec high F = 33.7
|year high F = 59.3
|Jan mean F = 19.4
|Feb mean F = 23.9
|Mar mean F = 36.7
|Apr mean F = 49.4
|May mean F = 61.5
|Jun mean F = 71.5
|Jul mean F = 74.5
|Aug mean F = 71.9
|Sep mean F = 64.6
|Oct mean F = 51.6
|Nov mean F = 37.4
|Dec mean F = 25.3
|year mean F = 49.0
|Jan low F = 10.7
|Feb low F = 15.2
|Mar low F = 26.9
|Apr low F = 37.9
|May low F = 50.2
|Jun low F = 60.8
|Jul low F = 64.0
|Aug low F = 61.0
|Sep low F = 52.4
|Oct low F = 40.2
|Nov low F = 27.7
|Dec low F = 17.0
|year low F = 38.7
|Jan avg record low F = -16.0
|Feb avg record low F = -9.8
|Mar avg record low F = 2.2
|Apr avg record low F = 20.4
|May avg record low F = 32.9
|Jun avg record low F = 45.7
|Jul avg record low F = 51.2
|Aug avg record low F = 48.2
|Sep avg record low F = 34.7
|Oct avg record low F = 21.5
|Nov avg record low F = 7.9
|Dec avg record low F = -7.3
|year avg record low F = -19.6
|Jan record low F = −34
|Feb record low F = −31
|Mar record low F = -34
|Apr record low F = -4
|May record low F = 22
|Jun record low F = 33
|Jul record low F = 42
|Aug record low F = 33
|Sep record low F = 19
|Oct record low F = 0
|Nov record low F = -17
|Dec record low F = −29
|year record low F =
|precipitation colour = green
|Jan precipitation inch = 1.10
|Feb precipitation inch = 1.14
|Mar precipitation inch = 1.98
|Apr precipitation inch = 4.04
|May precipitation inch = 4.61
|Jun precipitation inch = 5.72
|Jul precipitation inch = 4.34
|Aug precipitation inch = 4.17
|Sep precipitation inch = 3.14
|Oct precipitation inch = 2.76
|Nov precipitation inch = 1.85
|Dec precipitation inch = 1.44
|year precipitation inch = 36.29
|Jan snow inch = 10.1
|Feb snow inch = 9.3
|Mar snow inch = 4.6
|Apr snow inch = 1.7
|May snow inch = 0.1
|Jun snow inch = 0.0
|Jul snow inch = 0.0
|Aug snow inch = 0.0
|Sep snow inch = 0.0
|Oct snow inch = 0.3
|Nov snow inch = 3.1
|Dec snow inch = 9.9
|year snow inch = 39.1
|unit precipitation days = 0.01 in
|Jan precipitation days = 8.1
|Feb precipitation days = 8.0
|Mar precipitation days = 10.1
|Apr precipitation days = 11.5
|May precipitation days = 12.9
|Jun precipitation days = 11.8
|Jul precipitation days = 8.9
|Aug precipitation days = 8.8
|Sep precipitation days = 8.7
|Oct precipitation days = 8.5
|Nov precipitation days = 8.1
|Dec precipitation days = 8.4
|year precipitation days = 113.8
|unit snow days = 0.1 in
|Jan snow days = 6.8
|Feb snow days = 6.3
|Mar snow days = 3.2
|Apr snow days = 1.1
|May snow days = 0.1
|Jun snow days = 0.0
|Jul snow days = 0.0
|Aug snow days = 0.0
|Sep snow days = 0.0
|Oct snow days = 0.4
|Nov snow days = 2.5
|Dec snow days = 6.2
|year snow days = 26.6
|humidity colour = green
|Jan humidity = 73.0
|Feb humidity = 73.8
|Mar humidity = 72.7
|Apr humidity = 66.4
|May humidity = 65.7
|Jun humidity = 67.7
|Jul humidity = 71.9
|Aug humidity = 73.7
|Sep humidity = 73.7
|Oct humidity = 69.9
|Nov humidity = 74.8
|Dec humidity = 77.2
|year humidity = 71.8
|Jan dew point C = -10.0
|Feb dew point C = -7.3
|Mar dew point C = -0.9
|Apr dew point C = 5.6
|May dew point C = 11.6
|Jun dew point C = 16.7
|Jul dew point C = 19.1
|Aug dew point C = 17.8
|Sep dew point C = 13.4
|Oct dew point C = 7.2
|Nov dew point C = 0.4
|Dec dew point C = -6.9
|source 1 = [[NOAA]] (relative humidity and dew point 1961–1990)<ref name= NOAA>{{cite web
|url = https://w2.weather.gov/climate/xmacis.php?wfo=dmx
|title = NowData – NOAA Online Weather Data
|publisher = National Oceanic and Atmospheric Administration
|access-date = June 26, 2021
|archive-date = May 30, 2021
|archive-url = https://web.archive.org/web/20210530014237/https://w2.weather.gov/climate/xmacis.php?wfo=dmx
|url-status = dead
}}</ref><ref name ="NCDC txt KALO">
{{cite web
|url = https://www.ncei.noaa.gov/access/services/data/v1?dataset=normals-monthly-1991-2020&startDate=0001-01-01&endDate=9996-12-31&stations=USW00094910&format=pdf
|title = Station: Waterloo Muni AP, IA
|work = U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991–2020)
|publisher = National Oceanic and Atmospheric Administration
|access-date = June 26, 2021
|archive-url = https://web.archive.org/web/20240610111100/https://www.ncei.noaa.gov/access/services/data/v1?dataset=normals-monthly-1991-2020&startDate=0001-01-01&endDate=9996-12-31&stations=USW00094910&format=pdf
|archive-date = 2024-06-10}}</ref><ref name = "WMO 1961–90 KALO">
{{cite web 
|url = ftp://ftp.atdd.noaa.gov/pub/GCOS/WMO-Normals/TABLES/REG_IV/US/GROUP3/72548.TXT 
|title = WMO Climate Normals for WATERLOO/WSO AP IA 1961–1990 
|publisher = National Oceanic and Atmospheric Administration 
|access-date = September 12, 2016
|archive-url = https://web.archive.org/web/20240610100945/ftp://ftp.atdd.noaa.gov/pub/GCOS/WMO-Normals/TABLES/REG_IV/US/GROUP3/72548.TXT
|archive-date = 2024-06-10}}</ref>
}}

==Demographics==
{{US Census population
|align=
|1870= 4337
|1880= 5630
|1890= 6674
|1900= 12580
|1910= 26693
|1920= 36230
|1930= 46191
|1940= 51743
|1950= 65198
|1960= 71755
|1970= 75533
|1980= 75985
|1990= 66467
|2000= 68747
|2010= 68406
|2020= 67314
|footnote=Iowa Data Center<ref name=cen2020/>
}}

===2020 census===
{| class="wikitable" style="text-align:center;"
|+'''Waterloo, Iowa – Racial and ethnic composition'''<br><small>{{nobold|''Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.''}}</small>
!Race / Ethnicity <small>(''NH = Non-Hispanic'')</small>
!Pop 2000<ref name=2000CensusP004>{{Cite web|title=P004: Hispanic or Latino, and Not Hispanic or Latino by Race – 2000: DEC Summary File 1 – Waterloo city, Iowa |url=https://data.census.gov/table?g=160XX00US1982425&tid=DECENNIALSF12000.P004|publisher=[[United States Census Bureau]]}}</ref>
!Pop 2010<ref name=2010CensusP2>{{Cite web|title=P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) – Waterloo city, Iowa |url=https://data.census.gov/table?q=p2&g=160XX00US1982425&tid=DECENNIALPL2010.P2|publisher=[[United States Census Bureau]]}}</ref>
!{{partial|Pop 2020}}<ref name=2020CensusP2>{{Cite web|title=P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) – Waterloo city, Iowa |url=https://data.census.gov/cedsci/table?q=p2&g=160XX00US1982425&tid=DECENNIALPL2020.P2|publisher=[[United States Census Bureau]]}}</ref>
!% 2000
!% 2010
!{{partial|% 2020}}
|-
|[[Non-Hispanic or Latino whites|White]] alone (NH)
|55,419
|51,254
|style='background: #ffffe6; |44,321
|80.61%
|74.93%
|style='background: #ffffe6; |65.84%
|-
|[[Non-Hispanic or Latino African Americans|Black or African American]] alone (NH)
|9,468
|10,488
|style='background: #ffffe6; |12,031
|13.77%
|15.33%
|style='background: #ffffe6; |17.87%
|-
|[[Native Americans in the United States|Native American]] or [[Alaska Native]] alone (NH)
|132
|145
|style='background: #ffffe6; |145
|0.19%
|0.21%
|style='background: #ffffe6; |0.22%
|-
|[[Asian Americans|Asian]] alone (NH)
|581
|710
|style='background: #ffffe6; |2,016
|0.85%
|1.04%
|style='background: #ffffe6; |2.99%
|-
|[[Pacific Islander Americans|Pacific Islander]] alone (NH)
|29
|171
|style='background: #ffffe6; |707
|0.04%
|0.25%
|style='background: #ffffe6; |1.05%
|-
|[[Race and ethnicity in the United States census|Other race]] alone (NH)
|136
|94
|style='background: #ffffe6; |223
|0.20%
|0.14%
|style='background: #ffffe6; |0.33%
|-
|[[Multiracial Americans|Mixed race or Multiracial]] (NH)
|1,176
|1,717
|style='background: #ffffe6; |3,078
|1.71%
|2.51%
|style='background: #ffffe6; |4.57%
|-
|[[Hispanic and Latino Americans|Hispanic or Latino]] (any race)
|1,806
|3,827
|style='background: #ffffe6; |4,793
|2.63%
|5.59%
|style='background: #ffffe6; |7.12%
|-
|'''Total'''
|'''68,747'''
|'''68,406'''
|style='background: #ffffe6; |'''67,314'''
|'''100.00%'''
|'''100.00%'''
|style='background: #ffffe6; |'''100.00%'''
|}

As of the [[2020 United States census|census of 2020]],<ref name="2020-census-1982425">{{cite web|title=2020 Decennial Census: Waterloo city, Iowa |url=https://data.census.gov/cedsci/table?g=1600000US1982425&y=2020&d=DEC%20Redistricting%20Data%20%28PL%2094-171%29 |website=data.census.gov |publisher=U.S. Census Bureau |access-date=22 July 2022}}</ref> the population was 67,314. The [[population density]] was {{convert|1,092.8|PD/sqmi|PD/km2|1}}. There were 31,603 housing units at an average density of {{convert|513.1|/mi2|/km2|disp=preunit|units&nbsp;|units|}}. The racial makeup of the city was 72.4% [[White (U.S. Census)|White]], 17.3% [[Black (U.S. Census)|Black]] or [[African American (U.S. Census)|African American]], 2.5% [[Asian (U.S. Census)|Asian]], 0.5% [[Pacific Islander (U.S. Census)|Pacific Islander]], 0.3% [[Native American (U.S. Census)|Native American]], and 3.3% from [[Race and ethnicity in the United States census|other races]] or two or more races. Ethnically, the population was 7.1% [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race.

===2010 census===
As of the census<ref name="wwwcensusgov">{{cite web|title=U.S. Census website|url=https://www.census.gov|publisher=[[United States Census Bureau]]|access-date=May 11, 2012}}</ref> of 2010, there were 68,406 people, 28,607 households, 17,233 families residing in the city. The population density was {{convert|1114.3|PD/sqmi|PD/km2|1}}. There were 30,723 housing units at an average density of {{convert|500.5|/mi2|/km2|disp=preunit|units&nbsp;|units|}}. The racial makeup of the city was 77.3% [[White (U.S. Census)|White]], 15.5% [[African American (U.S. Census)|African American]], 0.3% [[Native American (U.S. Census)|Native American]], 1.1% [[Asian (U.S. Census)|Asian]], 0.3% [[Race (U.S. Census)|Pacific Islander]], 2.6% from [[Race (U.S. Census)|other races]], and 3.0% from two or more races. [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] people of any race were 5.6% of the population.

There were 28,607 households, of which 29.9% had children under the age of 18 living with them, 40.3% were married couples living together, 14.9% had a female householder with no husband present, 5.1% had a male householder with no wife present, and 39.8% were non-families. 31.6% of all households were made up of individuals, and 11.2% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.95.

The median age in the city was 35.9 years. 23.7% of residents were under the age of 18; 10.4% were between the ages of 18 and 24; 26.4% were from 25 to 44; 25.5% were from 45 to 64; and 14% were 65 years of age or older. The gender makeup of the city was 48.4% male and 51.6% female.

=== Metropolitan area ===
The Waterloo-Cedar Falls [[Waterloo-Cedar Falls metropolitan area|Metropolitan Statistical Area]] consists of [[Black Hawk County, Iowa|Black Hawk]], [[Bremer County, Iowa|Bremer]], and [[Grundy County, Iowa|Grundy]] counties. The area had a 2000 census population of 163,706 and a 2008 estimated population of 164,220.<ref>{{cite web|author=United States Census Bureau|title=Cumulative Estimates of Population Change for Metropolitan Statistical Areas and Rankings: April&nbsp;1, 2000 to July 1, 2008|url=https://www.census.gov/popest/metro/tables/2008/CBSA-EST2008-07.xls|access-date=July 11, 2009|archive-url=https://web.archive.org/web/20090730141732/http://www.census.gov/popest/metro/tables/2008/CBSA-EST2008-07.xls|archive-date=July 30, 2009|url-status=dead|df=mdy-all}}</ref>

Waterloo is next to [[Cedar Falls, Iowa|Cedar Falls]], home to the [[University of Northern Iowa]]. Small suburbs include [[Evansdale, Iowa|Evansdale]], [[Hudson, Iowa|Hudson]], Raymond, [[Elk Run Heights, Iowa|Elk Run Heights]], Gilbertville, and Washburn.

The largest employers in the Waterloo/Cedar Falls MSA, according to the Cedar Valley Regional Partnership of Iowa, as of 2021 include (in order): [[John Deere]], Tyson Fresh Meats,<ref>{{Cite news|title=Nearly 1,400 Tyson workers at 3 Iowa plants get coronavirus|url=https://cbs2iowa.com/news/local/nearly-1400-tyson-workers-at-3-iowa-plants-get-coronavirus-05-05-2020|last=FOLEY|first=RYAN J.|date=May 5, 2020|work=KGAN|access-date=2020-05-05}}</ref> the [[University of Northern Iowa]], Omega Cabinetry, Bertch Cabinet, Target Regional Distribution Center, Croell Redi Mix, Cuna Mutrual, and CBE Companies.<ref>{{Cite web |title=Leading Employers - Cedar Valley Regional Partnership |url=https://www.cedarvalleyregion.com/doing-business/leading-employers/ |access-date=2023-01-04 |website=www.cedarvalleyregion.com |language=en}}</ref>

==Arts and culture==

The Cedar Valley Arboretum & Botanic Gardens is a {{convert|40|acre|adj=mid}} public garden located directly east of Hawkeye Community College. Admission is $5/adult and $2/child, under five and members are free.<ref>[http://www.cedarvalleyarboretum.org Cedar Valley Arboretum & Botanic Gardens]</ref>

The tropically themed Lost Island Waterpark, which opened in 2001, has regularly been featured in [[USA Today]]'s Top 10 [[waterparks]] in the United States listings.<ref>{{cite web | url=https://www.thelostisland.com/park-info/news/toprated-waterpark-in-usa/ | title=Top-Rated Waterpark in USA - Lost Island }}</ref> It was joined in 2022 by [[Lost Island Theme Park]], which received industry awards recognition for its interactive dark ride ''[[Volkanu: Quest for the Golden Idol]]''.<ref>{{cite web | url=https://www.sallydarkrides.com/dark-rides/volkanu-quest-for-the-golden-idol | title=VOLKANU - Quest for the Golden Idol Dark Ride &#124; Sally Dark Rides }}</ref>

The Iowa Irish Fest <ref>[http://www.iowairishfest.com Iowa Irish Fest]</ref> is held in Waterloo in early August, and the [[National Cattle Congress]] is held there in September.

===Silos & Smokestacks National Heritage Area===
[[Silos & Smokestacks National Heritage Area]] (SSNHA) preserves and tells the story of American agriculture and its global significance through partnerships and activities that celebrate the land, people, and communities of the area. SSNHA is one of 62 federally designated [[National Heritage Area]]s and is an Affiliated Area of the [[National Park Service]]. Through the development of a network of 113 partner sites, programs and events, SSNHA's mission is to interpret farm life, [[agribusiness]] and rural communities-past and present. Waterloo partner sites include the Waterloo Center for the Arts and the [[Grout Museum]]. The SSNHA office is located in the Fowler Building, Suite 2, 604 Lafayette Street.<ref name=SSNHA>{{cite web|url=http://www.silosandsmokestacks.org/|title=Silos & Smokestacks National Heritage Area|access-date= January 19, 2016}}</ref>

===Waterloo Center for the Arts===
The [[Waterloo Center for the Arts]] (WCA) is a regional center for visual and performance arts. It is owned and operated by the City of Waterloo with oversight by the advisory Waterloo Cultural and Arts Commission. The center is located at 225 Commercial Street. It is also an anchor for the Waterloo Cultural and Arts District (a State of Iowa designation).<ref name=WCArts>{{cite web|url=http://www.waterloocenterforthearts.org/|title= Waterloo Center for the Arts/Directory|publisher= Waterloo Center for the Arts|access-date= August 4, 2011}}</ref>

The permanent collection at the WCA includes the largest collection of Haitian art in the country, Midwest Regionalist art (including works by Grant Wood and Thomas Hart Benton), Mexican folk art, international folk art, American decorative arts, and public art.<ref name=WCArts/>

President [[Barack Obama]] gave a speech here on August 14, 2012, during the [[2012 United States presidential election|2012 presidential campaign]]. Originally scheduled for 7:45&nbsp;pm, the speech was delayed by about 15 minutes, when Obama made an unannounced stop in neighboring [[Cedar Falls, Iowa|Cedar Falls]] for a beer at a pub.<ref>{{Cite web|url=http://www.kcrg.com/news/local/Vote-2012-President-Obama-Campaigns-in-Waterloo-166204856.html|archive-url=https://web.archive.org/web/20120823030541/http://www.kcrg.com/news/local/Vote-2012-President-Obama-Campaigns-in-Waterloo-166204856.html|archive-date=August 23, 2012|title=Local}}</ref><ref>{{cite web|url=http://siouxcityjournal.com/news/state-and-regional/iowa/excitement-builds-for-obama-s-waterloo-iowa-appearance/article_04010aa3-1197-5181-94c5-9ff98eb0673f.html |title=Excitement builds for Obama's Waterloo, Iowa, appearance &#124; Iowa news |website=siouxcityjournal.com |date=August 14, 2012 |access-date=2016-08-19}}</ref><ref>{{cite web|url=https://abcnews.go.com/blogs/politics/2012/08/obama-stops-for-just-one-more-beer/ |title=Obama Stops For 'Just One' More Beer – ABC News |website=Abcnews.go.com |date=August 14, 2012 |access-date=2016-08-19}}</ref>

Included in the WCA is the Phelps Youth Pavilion (PYP), which opened in 2009. The PYP is an interactive children's museum. PYP provides additional gallery and studio space.<ref name=WCArts/>

The Riverloop Amphitheater, completed in 2011, is an outdoor plaza and amphitheater available to rent for events and weddings. The Riverloop Amphitheater also is home to Mark's Park, a water park playground open to the public.<ref name="WCArts" />

The WCA also houses the Waterloo Community Playhouse, the oldest community theatre in Iowa (operating since 1916), and the Black Hawk Children's Theatre, that started in 1964, then, merged with the Waterloo Community Playhouse in 1982. Both perform in the Hope Martin Theatre, which opened in 1965. The theatre's administrative offices are located across the street in the historic Walker Building.<ref>{{cite web|url=http://www.wcpbhct.org/history.html|title=The History of Our Theatre in Waterloo|publisher=WCP & BHCT|access-date=August 4, 2011|archive-url=https://web.archive.org/web/20120328123902/http://www.wcpbhct.org/history.html|archive-date=March 28, 2012|url-status=dead|df=mdy-all}}</ref>

===Grout Museum District===
{{see also|Grout Museum}}

[[File:Sullivan Brothers Iowa Veterans Museum Watrtloo IA pic1.JPG|thumb|270px|{{center|Sullivan Brothers Iowa Veterans Museum (2011)}}]]
[[File:Rensselaer Russell House.jpg|thumb|250px|{{center|Rensselaer Russell House (1973)}}]]
[[File:Snowden House Front pic1.JPG|thumb|250px|{{center|Snowden House (February 2011)}}]]
Established in 1932, the district started with an endowment set up in the will of [[Henry W. Grout]].<ref>{{cite web|last=Eldridge|first=Mary Beth|url=http://www.rootsweb.ancestry.com/~iabiog/blackhawk/h1993/h1993-al.htm|title=Brief Biographies of Early Residents of Waterloo, Black Hawk Co., Iowa|access-date=June 30, 2011}}</ref> The district is a nonprofit educational entity that is active in engaging the students and all people from the surrounding communities. It is accredited by the [[American Alliance of Museums]].<ref name=groutmuseum>{{cite web|url=http://www.groutmuseumdistrict.org/|title=The Grout Museum District|publisher=homepage|access-date=November 24, 2010}}</ref>

The Grout Museum of History and Science, the first museum which would grow into the museum district, was displayed for many years in the building that was the local [[YMCA]]. The current building was completed and opened to the public as a not-for-profit museum in 1956.<ref name=groutmuseum/>

The Sullivan Brothers Iowa Veterans Museum was opened in November 2008 at a cost of $11&nbsp;million, funded in part by a citizens' grassroots campaign.<ref name=groutmuseum/>

The Rensselaer Russell House is at 520 W. 3rd Street. Built in 1858, it is listed on the [[National Register of Historic Places]]. Rensselaer and Caroline Russell built the house utilizing [[Italianate architecture]] in 1861 for $5,878.83.<ref name=groutmuseum/>

The Carl A. and Peggy J. Bluedorn Science [[Imaginarium]] opened in 1993 and provides both interactive exhibits and formal demonstrations in various fields of science.<ref name=groutmuseum/>

The Snowden House is a two-story brick [[Victorian house#North America|Victorian era house]] listed on the National Register of Historic Places was built in 1875. The house was once used as the Waterloo Woman's Club.

===Library===
Waterloo has one central public library. For the fiscal year ending June 30, 2020, there were 92,342 patron visits resulting in a circulation of 199,249 items. The total collection consisted of 607,583 items. The library's reference services, supported by 4.75 FTE librarians, answered 28,970 questions. Its 99 public access computers provided over 30,047 sessions for patrons and the library's wireless network hosted 30,692 sessions.

The library is governed by a board of trustees, nominated by the city mayor and confirmed by the city council: John Berry, Larry Bjortomt, Ivy Hagedorn, Kathleen Wernimont and Cindy Wells. The library is directed by Nick Rossman.

The Waterloo Public Library is in a renovated Great Depression era building that served as a post office and federal building. The building was renovated in the late 1970s for use as a library. In 2011, the Waterloo Public Library celebrated 30 years at its Commercial Street location.

Two New Deal-funded murals by artist Edgar Britton are on display at the library. ''Exposition'' is an image of the National Cattle Congress, and ''Holiday'' is of a picnic.

=== In popular culture ===
The 2015 film ''[[Carol (film)|Carol]]'' uses Waterloo in a major plot point.<ref>{{cite web|title=Cate Blanchett in 'Carol': Cannes Review|url=http://www.hollywoodreporter.com/review/cate-blanchett-carol-cannes-review-796213|website=The Hollywood Reporter|date=May 16, 2015|access-date=2016-02-15}}</ref> 

In the 2022 film ''[[The Whale (2022 film)|The Whale]]'', the missionary Thomas, played by actor [[Ty Simpkins]], says he was from Waterloo, Iowa.

=== Sports ===
Waterloo hosted a [[National Basketball Association]] (NBA) franchise for the 1949–50 season, being one of the smaller cities to have had a major league franchise in a [[Major professional sports leagues in the United States and Canada|Big Four]] American sport. The [[Waterloo Hawks]] (who hold no relation to the [[Atlanta Hawks]]) were a founding member of the NBA (under that name), but folded after one season.<ref>{{cite web | url=https://www.basketball-reference.com/teams/WAT/ | title=Waterloo Hawks Historical Statistics and All-Time Top Leaders }}</ref>

Waterloo hosted the [[Waterloo Microbes]] and [[Waterloo Hawks (baseball)|Waterloo Hawks]] teams of [[minor league baseball]], with professional baseball play beginning in 1895.

Waterloo is home to the [[junior ice hockey]] team [[Waterloo Black Hawks]] of the [[United States Hockey League]]. They play out of [[Young Arena]].

Waterloo is home to the [[summer collegiate baseball]] team [[Waterloo Bucks]] of the [[Northwoods League]].<ref>{{cite web|url=http://www.northwoodsleague.com/waterloo-bucks | title=Waterloo Bucks}}</ref> The team was formed in 1995 and plays their home games at [[Riverfront Stadium (Waterloo)]]. Until 1993, the stadium hosted a succession of professional minor league baseball teams.

Waterloo is also home to the [[Iowa Woo]], an [[arena football]] team of [[The Arena League]]. They play at [[The Hippodrome]].

== Government ==
{{see also|List of mayors of Waterloo, Iowa}}
[[File:Pete Buttigieg with Quentin Hart (cropped).jpg|thumb|upright|Waterloo's current mayor, Quentin Hart, in 2019]]

Waterloo is administered by the [[Mayor–council government|mayor and council]] system of government. One council member is elected from each of Waterloo's five wards, and two are elected at-large. The current mayor is Quentin Hart. He is the city's first black mayor.

The city holds elections to elect its mayor and city council every two years, in odd-numbered [[off-year election]]s. Mayoral elections are held every two years, meanwhile each city council seat is up for grabs every four years.

{| class="wikitable"
|-
! Member
! Seat
! Entered office
! Next election
|-
| Quentin Hart
| Mayor
| January 1, 2016
| 2025
|-
| Rob Nichols
| At-large
| January 1, 2022
| 2025
|-
| Steve Simon
| At-large
| January 1, 2024
| 2027
|-
| John Chiles
| Ward 1
| January 1, 2022
| 2025
|-
| Dave Boesen
| Ward 2
| January 1, 2020{{efn|Boesen originally served in one of the at-large seats until December 31, 2023. He was elected to the Ward 2 seat in the 2023 city elections, and took office on January 1, 2024.}}
| 2027
|-
| Nia Wilder
| Ward 3
| January 1, 2022
| 2025
|-
| Belinda Creighton-Smith
| Ward 4
| March 14, 2023
| 2027
|-
| Ray Feuss
| Ward 5
| December 17, 2018
| 2025
|}

== Education ==
[[Hawkeye Community College]] is located in Waterloo. Neighboring Cedar Falls is home to the [[University of Northern Iowa]].

Almost all of the city is within the [[Waterloo Community School District]].<ref>{{cite web|url=https://educateiowa.gov/sites/files/ed/documents/FY20_WATERLOO.pdf|title=Waterloo|publisher=[[Iowa Department of Education]]|access-date=2020-04-07|archive-url=https://web.archive.org/web/20200408032648/https://educateiowa.gov/sites/files/ed/documents/FY20_WATERLOO.pdf|archive-date=April 8, 2020|url-status=dead}}</ref> The three public high schools in the city are [[West High School (Waterloo, Iowa)|Waterloo West High School]], [[Waterloo East High School]], and Expo High School. Additionally, a portion of the city is within the [[Cedar Falls Community School District]].<ref>{{cite web|url=https://educateiowa.gov/sites/files/ed/documents/FY20_CEDAR%20FALLS.pdf|title=Cedar Falls|publisher=[[Iowa Department of Education]]|access-date=2020-04-07}}{{Dead link|date=June 2020 |bot=InternetArchiveBot |fix-attempted=yes }}</ref>

Waterloo's private high schools are [[Waterloo Christian School]] and [[Columbus High School (Iowa)|Columbus Catholic High School]], which is supported by the Catholic parishes of Waterloo and Cedar Falls. Waterloo Christian is a non-denominational college preparatory school located on the grounds of Walnut Ridge Baptist Church. The school's colors are green and yellow, and its mascot is the "Regent". Columbus' mascot is the "Sailor", a connection to the school's namesake [[Christopher Columbus]], and its colors are green and white.

There is also a wide array of elementary and junior high schools in the area, with open enrollment available.

==Media==
===Radio===
:;FM stations
{|
|- valign="top"
|
* 88.1 [[KBBG]]
* 88.9 [[KWVI (FM)|KWVI]]
* 89.5 [[KHKE]]
* 90.9 [[KUNI (FM)]]
* 92.3 [[KOEL-FM]]
* 93.5 [[KCVM]]
* 94.5 [[KULT-LP]]
* 97.7 [[KCRR]]
* 98.5 [[KKHQ-FM]]
* 101.9 [[KNWS-FM]]
* 105.7 [[KOKZ]]
* 107.9 [[KFMW]]
|}
:;AM stations
{|
|- valign="top"
|
* 1090 [[KNWS (AM)|KNWS]]
* 1250 [[KCFI]]
* 1330 [[KPTY (AM)|KPTY]]
* 1540 [[KXEL]]
* 1650 [[KCNZ (AM)|KCNZ]]
|}

===Television===
*2 [[KGAN]] ([[CBS]], [[Fox Broadcasting Company|Fox]] on DT2) – located in [[Cedar Rapids, Iowa|Cedar Rapids]]
*7 [[KWWL (TV)|KWWL]] ([[NBC]], [[Heroes & Icons]] on [[KWWL-DT2|DT2]], [[MeTV]] on DT3) – located in Waterloo
*9 [[KCRG-TV]] ([[American Broadcasting Company|ABC]], [[MyNetworkTV]] on DT2, [[The CW]] on DT3) – located in Cedar Rapids
*12 [[Iowa PBS|KIIN]] ([[Public Broadcasting Service|PBS]]/[[Iowa PBS]]) – located in [[Iowa City, Iowa|Iowa City]]
*20 [[KWKB]] ([[Tri-State Christian Television|TCT]], [[This TV]] on DT5) – located in Iowa City
*28 [[KFXA]] ([[Dabl]]) – located in Cedar Rapids
*32 [[Iowa PBS|KRIN]] ([[Public Broadcasting Service|PBS]]/[[Iowa PBS]]) – located in Waterloo
*40 [[KFXB-TV]] ([[Christian Television Network|CTN]]) – located in [[Dubuque, Iowa|Dubuque]]
*48 [[KPXR-TV]] ([[Ion Television|Ion]]) – located in Cedar Rapids

===Print===
* ''[[The Courier (Waterloo-Cedar Falls)|The Courier]]'', daily newspaper
* ''The Cedar Valley What Not'', weekly advertiser

== Infrastructure ==
{{Expand section|date=November 2010}}

=== Transportation ===
Waterloo is located at the northern end of [[Interstate 380 (Iowa)|Interstate 380]]. [[U.S. Route 20 in Iowa|U.S. Highways 20]], [[U.S. Route 63 in Iowa|63]], and [[U.S. Route 218|218]] and [[Iowa Highway 21]] also run through the metropolitan area. The [[Avenue of the Saints]] runs through Waterloo.

[[American Airlines]] provides non-stop air service to and from Chicago from the [[Waterloo Regional Airport]] as of April 3, 2012. As of October 27, 2014, American Airlines runs two flights to/from Chicago O'Hare (ORD). Departures to Chicago are early morning and mid/late afternoon. Arrivals are early/mid-afternoon and evening.

Waterloo is served by a [[Metropolitan Transit Authority of Black Hawk County|metropolitan bus system]] (MET), which serves most areas of Cedar Falls and Waterloo. Most routes meet at the central bus station in downtown Waterloo. The system operates Monday through Saturday. During the week the earliest bus is at 5:45&nbsp;am from downtown Waterloo, and the last bus arrives downtown at 6:40&nbsp;pm. Service is limited on Saturdays.

Waterloo is served by one daily intercity bus arrival and departure to Chicago and [[Des Moines, Iowa|Des Moines]], provided by [[Burlington Trailways]]. New service to and from [[Mason City, Iowa|Mason City]] and [[Minneapolis/St. Paul]] provided by [[Jefferson Lines]] started in the fall of 2009, however was canceled in 2012.<ref>{{cite news | title=Jefferson Bus Lines discontinues service to Mason City | url=https://wcfcourier.com/article_b4e32754-6873-11e1-ad83-001871e3ce6c.html}}</ref>

There are currently five taxi operators in Waterloo and Cedar Falls: First Call, Yellow, City Cab, Cedar Valley Cab, and Dolly's Taxi.

The [[Chicago Central and Pacific Railroad|Chicago Central]] railroad runs through Waterloo.

=== Utilities ===
The [[MidAmerican Energy Company]] supplies Waterloo with electricity and natural gas. The Waterloo Water Works supplies [[Drinking water|potable water]] with a capacity of 50,400,000 GPD (gallons per day) with an average use of 13,400,000 GPD and a peak use of 28,800,000 GPD. News reports indicate that 18.5% of the system's output in 2013, or 851 million gallons, was unaccounted for.<ref>{{cite news|last1=Russell|first1=Shelley|title=Waterloo missing 851 million gallons of water|url=http://www.kwwl.com/story/25372049/2014/04/28/waterloo-missing-851-million-gallons-of-water|access-date=August 12, 2014|publisher=KWWL News|date=April 14, 2014|archive-url=https://web.archive.org/web/20150421083504/http://www.kwwl.com/story/25372049/2014/04/28/waterloo-missing-851-million-gallons-of-water|archive-date=April 21, 2015|url-status=dead|df=mdy-all}}</ref> [[Sanitation]] service (sewage) is operated by the city of Waterloo, with a capacity of 36,500,000 GPD and an average use of 14,000,000 GPD.<ref>{{cite web|url=http://www.cvedc.com/utilities.htm|title=Cedar Valley Alliance|publisher=Utilities|access-date=November 30, 2010|archive-url=https://web.archive.org/web/20110708214359/http://www.cvedc.com/utilities.htm|archive-date=July 8, 2011|url-status=dead}}</ref>

=== Healthcare ===
Waterloo is home to two hospitals, Mercy One Waterloo Medical Center, which has 366 beds, and Unity Point Health 
Allen Memorial Hospital, with 234 beds. Neighboring Cedar Falls is home to Sartori Memorial Hospital, with 83 beds. The Waterloo-Cedar Falls metropolitan area has 295 physicians, 69 dentists, 52 chiropractors, 24 vision specialists and 21 nursing/retirement homes.<ref>{{cite web|url=http://www.cvedc.com/index_facts.html|title=Greater Cedar Valley Alliance|publisher=fact sheet 2009|access-date=November 30, 2010|archive-url=https://web.archive.org/web/20100613011041/http://www.cvedc.com/index_facts.html|archive-date=June 13, 2010|url-status=dead}}</ref>

== Notable people ==<!-- Only add people already with Wikipedia article. -->

[[File:Sullivanbrothers.jpg|thumb|upright|The Five Sullivan Brothers]]
*[[Julie Adams]] (1926–2019), actress<ref>{{Cite news|url=https://www.desmoinesregister.com/story/news/2019/02/04/julie-adams-iowa-born-black-lagoon-actress-dies-92-jimmy-stewart-murder-she-wrote-andy-griffith/2767136002/|title=Iowa-born actress Julie Adams, famous for 'Creature From the Black Lagoon,' dies at 92|last=Fleig|first=Shelby|date=February 19, 2019|work=Des Moines Register|access-date=March 5, 2019}}</ref>
*[[Jerome Amos Jr.]] (born 1954), politician<ref>{{cite web |title=State Representative |url=https://www.legis.iowa.gov/legislators/legislator/legislatorAllYears?personID=6174 |website=Iowa Legislature |access-date=May 18, 2024}}</ref>
*[[Michele Bachmann]] (born 1956), politician<ref>{{cite web|url=http://wcfcourier.com/news/local/govt-and-politics/article_2d73fd9c-18f7-11e0-a882-001cc4c002e0.html |title=Waterloo native Bachmann of Minnesota tests Iowa presidential waters|publisher=[[The Courier (Waterloo-Cedar Falls)|WCF Courier]]|last=Condon|first=Patrick|date=January 6, 2011|access-date=May 1, 2011}}</ref>
*[[David Barrett (American football)|David Barrett]] (born 1977), American football player
*[[William Birenbaum]] (1923–2010), educator<ref>Fox, Margalit. [https://www.nytimes.com/2010/10/09/us/09birenbaum.html "William M. Birenbaum, College Leader, Dies at 87"], ''[[The New York Times]]'', October 8, 2010. Accessed October 10, 2010</ref>
*[[Horace Boies]] (1827–1923), politician<ref>{{cite web|url=http://www.nga.org/portal/site/nga/menuitem.29fab9fb4add37305ddcbeeb501010a0/?vgnextoid=7bfc224971c81010VgnVCM1000001a01010aRCRD&vgnextchannel=e449a0ca9e3f1010VgnVCM1000001a01010aRCRD |title=National Governors Association |publisher=Horace Boies |access-date=December 2, 2010 |url-status=dead |archive-url=https://web.archive.org/web/20101106030710/http://www.nga.org/portal/site/nga/menuitem.29fab9fb4add37305ddcbeeb501010a0/?vgnextoid=7bfc224971c81010VgnVCM1000001a01010aRCRD&vgnextchannel=e449a0ca9e3f1010VgnVCM1000001a01010aRCRD |archive-date=November 6, 2010 }}</ref>
*[[Bob Bowlsby]] (born 1952), athletics administrator
*[[Jack Bruner]] (1924–2003), baseball player
*[[Don Denkinger]] (1926–2003), baseball umpire
*[[Adam DeVine]] (born 1983), comedian, actor and writer
* [[Loren Doxey]], physician and murderer<ref>[http://person.ancestry.com/tree/32814364/person/20330530650/facts Ancestry.com]</ref><ref>[https://stltoday.newspapers.com/image/138928203/?terms=Dora%2BDoxey "Dr. Doxey's Body in River, Thought to Have Killed Self," ''St. Louis Post-Dispatch,'' page 1]</ref>
*[[Pearlretta DuPuy]] (1871–1939), zither player and clubwoman<ref>{{cite book |last1=Binheim |first1=Max |last2=Elvin |first2=Charles A |title=Women of the West; a series of biographical sketches of living eminent women in the eleven western states of the United States of America |date=1928 |page=38 |url=https://archive.org/stream/womenofwestserie00binh#page/38/mode/2up | contribution = Dupuy, Pearlretta (Mrs. Robert G.) |access-date=August 8, 2017}}</ref>
*[[Rich Folkers]] (born 1946), baseball player and coach
*[[Travis Fulton]] (1977–2021), boxer and mixed martial artist
*[[Dan Gable]] (born 1948), wrestler and coach
*[[John Wayne Gacy]] (1942–1994), serial killer<ref>{{cite web|url=http://www.crimemagazine.com/boy-killer-john-wayne-gacy|title=Boy Killer: John Wayne Gacy|publisher=Crime Magazine|last=Lohr|first=David|access-date=June 27, 2011|archive-url=https://web.archive.org/web/20110805225422/http://crimemagazine.com/boy-killer-john-wayne-gacy|archive-date=August 5, 2011|url-status=dead|df=mdy-all}}</ref>
*[[Kim Guadagno]] (born 1959), politician<ref>{{cite web|url=http://www.state.nj.us/governor/lt/|title=State of New Jersey|publisher=Office of the Lieutenant Governor|access-date=December 4, 2010|url-status=dead|archive-url=https://web.archive.org/web/20101201183448/http://www.state.nj.us/governor/lt/|archive-date=December 1, 2010}}</ref><ref>{{cite web|url=http://www.ballotpedia.org/wiki/index.php/Kim_Guadagno|title=BALLOT*PEDIA|publisher=Kim Guadagno|access-date=December 4, 2010}}</ref>
*[[Mike Haffner]] (born 1942), American football player
*[[Nikole Hannah-Jones]] (born 1976), journalist<ref>{{cite web|url=https://wcfcourier.com/news/local/govt-and-politics/waterloo-native-wins-pulitzer-prize/article_c8f51277-591a-5141-84d1-469472077bff.html|title=Waterloo native wins Pulitzer Prize|date=May 4, 2020 |access-date=May 5, 2020}}</ref>
*[[Lou Henry Hoover]] (1874–1944), First Lady<ref>{{Cite book|last=Allen|first=Anne Beiser|title=An independent woman: the life of Lou Henry|publisher=Greenwood Press|year=2000|pages=[https://archive.org/details/independentwoman00all_zg2/page/5 5–9]|isbn=0-313-31466-7|url-access=registration|url=https://archive.org/details/independentwoman00all_zg2/page/5}}</ref>
*[[MarTay Jenkins]] (born 1975), American football player<ref>{{cite web|url=http://www.nfl.com/players/martayjenkins/profile?id=JEN397575|title= National Football League|publisher=MarTay Jenkins|access-date=December 7, 2010}}</ref>
*[[Anesa Kajtazović]] (born 1986), politician 
*[[Arthur Rolland Kelly]] (1878–1959), architect<ref>{{Cite web|url=http://pcad.lib.washington.edu/person/942/|title=PCAD – Arthur Rolland Kelly|website=pcad.lib.washington.edu|language=en|access-date=2018-11-30}}</ref>
*[[Chris Klieman]] (born 1967), football coach,
*[[Bonnie Koloc]] (born 1946), singer-songwriter<ref>{{cite news|url=https://www.chicagotribune.com/1988/12/04/bonnie-koloc-6/ |title=Bonnie Koloc|newspaper=Chicago Tribune|last=Van Matre|first=Lynn |date=December 4, 1988|access-date=January 4, 2012}}</ref>
*[[John Hooker Leavitt]] (1831–1906), politician<ref>{{cite web|url= http://www.wplwloo.lib.ia.us/History/WlooBios/JohnHLeavitt.html|title= John H. Leavitt, History of Waterloo, Waterloo Public Library|url-status= dead|archive-url= https://web.archive.org/web/20060205083417/http://www.wplwloo.lib.ia.us/History/WlooBios/JohnHLeavitt.html|archive-date= February 5, 2006|df= mdy-all}}</ref>
*[[Jason Lewis (Minnesota politician)|Jason Lewis]] (born 1955), politician
*[[Jack Little (songwriter)|Jack Little]] (1899–1956), songwriter
*[[J. J. Moses]] (born 1979), American football player<ref>{{cite web|url=https://www.houstontexans.com/team/front-office-roster/j-j-moses|title=Houston Texans|publisher=JJ Moses Bio|access-date=May 4, 2019|archive-url=https://web.archive.org/web/20190504074918/https://www.houstontexans.com/team/front-office-roster/j-j-moses|archive-date=May 4, 2019|url-status=dead}}</ref>
*[[Charles W. Mullan]] (1845–1919), politician<ref>"Judge Mullan Dies Thursday in Rochester", ''The Des Moines Register'', March 9, 1919, pg. 1, 2</ref>
*[[Larry Nemmers]] (born 1943), American football official<ref>{{cite web|url=http://wcfcourier.com/sports/local/article_ad80f092-3fa7-5803-bec1-82a5fef5ed09.html |title= Official notice: Nemmers ready to hang up his whistle|publisher=[[The Courier (Waterloo-Cedar Falls)|WCF Courier]]|last=Sulivan|first=Jim|date=December 30, 2007|access-date=March 17, 2011}}</ref>
*[[Thunderbolt Patterson]] (born 1941), professional wrestler
*[[Joe Pelton]] (born 1977), poker player
*[[Don Perkins]] (1938–2022), American football player
*[[Cal Petersen]] (born 1994), ice hockey player
*[[Gordon Randolph]] (1915–1999), journalist<ref>[http://boards.ancestry.com/localities.northam.usa.states.wisconsin.counties.milwaukee/2422/mb.ashx Boards at Ancestry]</ref>
*[[Alfred C. Richmond]] (1902–1984), U.S. Coast Guard Admiral
*[[Mike Ritland]], US Navy SEAL
*[[Gertrude Ina Robinson]] (1868–1950), harpist, composer and writer
*[[Reggie Roby]] (1961–2005), American football player<ref>{{cite web|url=http://rbref.com/players/R/RobyRe20.htm|title=Pro-Football-Reference|publisher=Reggie Roby bio|access-date=December 7, 2010|archive-url=https://web.archive.org/web/20071124004709/http://www.rbref.com/players/R/RobyRe20.htm|archive-date=November 24, 2007|url-status=dead|df=mdy-all}}</ref>
*[[Zud Schammel]] (1910–1973), American football player<ref name="prfZSchammel">{{cite web|url=https://www.pro-football-reference.com/players/S/SchaZu20.htm|title=PRO-FOOTBALL Reference|publisher=Zud Schammel|access-date=December 17, 2010}}</ref>
*[[Sean Schemmel]] (born 1968), voice actor
*[[Duane Slick]], (born 1961) painter and professor<ref>{{Cite book|url=https://books.google.com/books?id=v_9w4eXZNg4C|title=American Indians and Popular Culture: Media, Sports, and Politics|publisher=ABC-Clio|year=2012|isbn=9780313379901|series=Volume 1 of American Indians and Popular Culture|location=Santa Barbara, California|pages=201–202}}</ref>
*[[Tom Smith (American football)|Tom Smith]] (born 1949), football player
*[[Vivian Smith (suffragist)|Vivian Smith]] (1891–1961), suffragist
*[[Paul Sohl]] (born 1963), U.S. Navy Rear Admiral
*[[Tracie Spencer]] (born 1976), singer-songwriter<ref>{{cite web|url=http://www.divastation.com/tracie_spencer/spencer_bio.html|title=DiVA station|publisher=Tracie Spencer bio.|access-date=December 6, 2010|url-status=dead|archive-url=https://archive.today/20130110191535/http://www.divastation.com/tracie_spencer/spencer_bio.html|archive-date=January 10, 2013|df=mdy-all}}</ref>
*[[Darren Sproles]] (born 1983), American football player; running back for fifteen seasons
*[[Bradley Steffens]] (born 1955), writer<ref>Robert L. Pincus (May 25, 2008). “Steffens takes top honor at book awards bash.” ''San Diego Union Tribune''.</ref>
*[[Suzanne Stephens]] (born 1946), clarinetist and basset horn player<ref>{{cite web|url=http://www.stockhausen.org/stephens.html |title=Suzanne Stephens – Clarinet, Basset-Horn and Bass Clarinet |website=Stockhausen.org |access-date=2016-08-19}}</ref>
*[[Sullivan brothers|Sullivan Brothers]], soldier brothers<ref>John R. Satterfield, ''We Band of Brothers: The Sullivans & World War II'' (Parkersburg, IA: Mid-Prairie Books, 1995). {{ISBN|0-931209-58-7}}</ref>
*[[Corey Taylor]] (born 1973), musician
*[[Michael Townley]] (born 1942), agent
*[[Mike van Arsdale]] (born 1965), mixed martial artist
*[[Mona Van Duyn]] (1921–2004), poet<ref>{{Cite web|url=https://www.loc.gov/item/n81147222/mona-van-duyn-1921-2004/|title=Mona Van Duyn (1921–2004)|website=Library of Congress|access-date=2019-03-05}}</ref>
*[[Emily West]] (born 1981), singer<ref>{{cite news|url= http://www.huffingtonpost.com/michael-bialas/finally-on-the-road-emily_b_577968.html|title= Finally on the Road, Emily West Keeps 'Em Laughing, Crying|work=[[Huffington Post]]|last=Bialas|first=Michael|date=May 18, 2010|access-date=March 17, 2011}}</ref>
*[[Nancy Youngblut]] (born 1953), actress
<!--NULLIFIED *[[Everett Cunningham]], executive at Pfizer Pharmaceuticals and former minor league pitcher NULLIFIED per NOTICE above-->
*[[Pat McLaughlin]] (born 1950), singer-songwriter<ref>{{cite news|url= https://wcfcourier.com/news/metro/where-are-they-now-pat-mclaughlin/article_2a3364f9-5014-53c6-b8c6-9e3a988801f2.html|title= Where Are They Now? Pat McLaughlin |work=[[The Waterloo-Cedar Falls Courier]]|last=Kinney|first=Pat|date=December 3, 2005}}</ref>
*[[Bruce B. Zager]] (born 1952), judge

==Twin towns and sister cities==
Waterloo is [[Sister city|twinned]] with:
*{{flagicon|DEU}} [[Giessen]], Germany (1981)<ref>{{cite web|title=Waterloo (USA)|url=https://www.giessen.de/Rathaus/Stadtinfos/St%C3%A4dtepartnerschaften/Waterloo/|website=giessen.de|publisher=Giessen|language=de|access-date=2020-10-30|archive-date=October 30, 2020|archive-url=https://web.archive.org/web/20201030221036/https://www.giessen.de/Rathaus/Stadtinfos/St%C3%A4dtepartnerschaften/Waterloo/|url-status=dead}}</ref>
*{{flagicon|BUL}} [[Targovishte]], Bulgaria (2002)<ref>{{cite web|title=Международни контакти|url=https://www.targovishte.bg/index.php?nav=108|website=targovishte.bg|publisher=Targovishte|language=bg|access-date=2020-10-30|archive-date=November 3, 2020|archive-url=https://web.archive.org/web/20201103150729/https://www.targovishte.bg/index.php?nav=108|url-status=dead}}</ref>
*{{flagicon|LBR}} [[Harbel]], Liberia (2019)<ref>{{cite web |title=Waterloo City Council tackles rezoning, sister city, neighborhood crime |url=https://kwwl.com/2019/11/25/waterloo-city-council-tackles-rezoning-sister-city-neighborhood-crime/|website=kwwl.com|publisher=KWWL News|date=November 25, 2019|access-date=2020-10-30}}</ref>

==See also==
{{Portal|Iowa}}
*[[Impact of the COVID-19 pandemic on the meat industry in the United States]]

==Notes==
{{notelist}}

==References==
{{Reflist}}

==External links==
{{Commons category}}
* [http://www.ci.waterloo.ia.us/ City website]
* [http://www.experiencewaterloo.com/ Waterloo Convention and Visitors Bureau]
* [https://web.archive.org/web/20120324152729/http://www.waterloochamber.org/ Waterloo Chamber of Commerce]
* [http://www.city-data.com/city/Waterloo-Iowa.html City Data] – comprehensive statistical data and more about Waterloo, Iowa
;Historic
* [http://memory.loc.gov/cgi-bin/query/S?ammem/pan:@field(SUBJ+@od1(Iowa--Waterloo+)) Panoramic photographs from Library of Congress]

{{Black Hawk County, Iowa}}
{{Iowa county seats}}

{{Authority control}}

[[Category:Waterloo, Iowa| ]]
[[Category:Cities in Iowa]]
[[Category:Cities in Black Hawk County, Iowa]]
[[Category:County seats in Iowa]]
[[Category:Waterloo – Cedar Falls metropolitan area]]
[[Category:1845 establishments in Iowa Territory]]
[[Category:Populated places established in 1845]]
[[Category:World War II Heritage Cities]]