Editing Jasper County, Iowa

{{short description|County in Iowa, United States}}
{{Use mdy dates|date=April 2024}}
{{Infobox U.S. county
 | county               = Jasper County
 | state                = Iowa
 | ex image             = Jasper County, Iowa Courthouse.jpg
 | ex image size        = 240px
 | ex image cap         = [[Jasper County Courthouse (Newton, Iowa)|Jasper County Courthouse]] in Newton
 | seal                 = 
 | founded year         = 1846
 | founded date         = 
 | seat wl              = Newton
 | largest city wl      = Newton
 | area_total_sq_mi     = 733
 | area_land_sq_mi      = 730
 | area_water_sq_mi     = 2.5
 | area percentage      = 0.3
 | population_as_of     = 2020
 | population_total     = 37813
 | population_density_sq_mi = auto
 | time zone            = Central
 | footnotes            = 
 | web                  = https://jasperia.org/
 | district             = 2nd
 | named for            = [[William Jasper]]
}}

'''Jasper County''' is a [[County (United States)|county]] in the [[U.S. state]] of [[Iowa]]. As of the [[2020 United States census|2020 census]], the population was 37,813.<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> The [[county seat]] is [[Newton, Iowa|Newton]].<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 |url-status=dead |archive-url=https://web.archive.org/web/20110531210815/http://www.naco.org/Counties/Pages/FindACounty.aspx |archive-date=May 31, 2011 }}</ref> The county was organized in 1846 and is named after Sergeant [[William Jasper]], a Revolutionary War hero.<ref>{{cite book | url=https://books.google.com/books?id=HnwUAAAAYAAJ&pg=PA44 | title=Past and Present of Jasper County, Iowa, Volume 1 | publisher=B.F. Bowen | author=Weaver, James Baird | year=1912 | pages=44}}</ref>

Jasper County is part of the [[Des Moines, Iowa|Des Moines]]–[[West Des Moines, Iowa|West Des Moines]], IA [[Des Moines metropolitan area|Metropolitan Statistical Area]].<ref>{{cite web|url=https://www.whitehouse.gov/omb/bulletins/fy2006/b06-01.pdf|title=Update of Statistical Area Definitions and Guidance on Their Uses|access-date=July 21, 2006|author=United States Office of Management and Budget|author-link=United States Office of Management and Budget|pages=5, 36|url-status=dead|archive-url = https://web.archive.org/web/20060514003222/http://www.whitehouse.gov/omb/bulletins/fy2006/b06-01.pdf <!-- Bot retrieved archive --> |archive-date=May 14, 2006}}</ref>

==Geography==
According to the [[U.S. Census Bureau]], the county has a total area of {{convert|733|sqmi}}, of which {{convert|730|sqmi}} is land and {{convert|2.5|sqmi}} (0.3%) is water.<ref name="GR1">{{cite web|url=https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html|publisher=[[United States Census Bureau]]|access-date=April 23, 2011|date=February 12, 2011|title=US Gazetteer files: 2010, 2000, and 1990}}</ref> The North and South [[Skunk River (Iowa)|Skunk River]] flow through the county. Bodies of water include Lake Mariposa and Rock Creek.

===Major highways===
{{div col}}
*[[Image:I-80.svg|x20px]] [[Interstate 80 in Iowa|Interstate 80]]
*[[Image:US 6.svg|x20px]] [[U.S. Route 6 in Iowa|U.S. Highway 6]]
*[[Image:US 65.svg|x20px]] [[U.S. Route 65 in Iowa|U.S. Highway 65]]
*[[Image:Elongated circle 14.svg|x20px]] [[Iowa Highway 14]]
*[[Image:Elongated circle 117.svg|x20px]] [[Iowa Highway 117]]
*[[Image:Elongated circle 163.svg|x20px]] [[Iowa Highway 163]]
*[[Image:Elongated circle 224.svg|x20px]] [[Iowa Highway 224]]
*[[Image:Elongated circle 330.svg|x20px]] [[Iowa Highway 330]]
{{div col end}}

===Transit===

===Adjacent counties===
*[[Marshall County, Iowa|Marshall County]]  (north)
*[[Poweshiek County, Iowa|Poweshiek County]]  (east)
*[[Mahaska County, Iowa|Mahaska County]]  (southeast)
*[[Marion County, Iowa|Marion County]]  (south)
*[[Polk County, Iowa|Polk County]]  (west)
*[[Story County, Iowa|Story County]]  (northwest)

==Demographics==
{{US Census population
|1850= 1280
|1860= 9883
|1870= 22116
|1880= 25963
|1890= 24943
|1900= 26976
|1910= 27034
|1920= 27855
|1930= 
|1940= 31496
|1950= 32305
|1960= 35282
|1970= 35425
|1980= 36425
|1990= 34795
|2000= 37213
|2010= 36842
|2020= 37813
|estyear=2023
|estimate=37919
|estref=<ref name="USCensusEst2023">{{cite web|url=https://www.census.gov/programs-surveys/popest/data/tables.html|title=Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2023|publisher=United States Census Bureau|access-date=April 2, 2024}}</ref>
|align-fn=center
|footnote=U.S. Decennial Census<ref>{{cite web|url=https://www.census.gov/programs-surveys/decennial-census.html|title=U.S. Decennial Census|publisher=United States Census Bureau|access-date=July 18, 2014}}</ref><br />1790-1960<ref>{{cite web|url=http://mapserver.lib.virginia.edu|title=Historical Census Browser|publisher=University of Virginia Library|access-date=July 18, 2014}}</ref> 1900-1990<ref>{{cite web|url=https://www.census.gov/population/cencounts/ia190090.txt|title=Population of Counties by Decennial Census: 1900 to 1990|publisher=United States Census Bureau|access-date=July 18, 2014}}</ref><br />1990-2000<ref>{{cite web|url=https://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf |archive-url=https://web.archive.org/web/20100327165705/http://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf |archive-date=March 27, 2010 |url-status=live|title=Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000|publisher=United States Census Bureau|access-date=July 18, 2014}}</ref> 2010-2018<ref name="QF">{{cite web|title=State & County QuickFacts|url=http://quickfacts.census.gov/qfd/states/19/19099.html|publisher=United States Census Bureau|access-date=July 18, 2014|url-status=dead|archive-url=https://web.archive.org/web/20110607070154/http://quickfacts.census.gov/qfd/states/19/19099.html|archive-date=June 7, 2011}}</ref>
}}
[[File:JasperCountyIowaPop2020.png|thumb|right|Population of Jasper County from US census data]]

===2020 census===
[[File:JasperCountyIA2022PopPyr.png|thumb|left|2022 US Census [[population pyramid]] for Jasper County from [[American Community Survey|ACS]] 5-year estimates]]
The 2020 census recorded a population of 37,813 in the county, with a population density of {{Pop density|37813|733.593566|sqmi|km2}}. 96.04% of the population reported being of one race. There were 16,132 housing units, of which 14,994 were occupied.<ref name=cen2020/>

{| class="wikitable"
|+Jasper County Racial Composition<ref>{{Cite web|title =P2 HISPANIC OR LATINO, AND NOT HISPANIC OR LATINO BY RACE – 2020: DEC Redistricting Data (PL 94-171) – Jasper County, Iowa|url=https://data.census.gov/cedsci/table?q=Jasper%20County,%20Iowa&t=Race%20and%20Ethnicity&tid=DECENNIALPL2020.P2}}</ref>
!Race
!Num.
!Perc.
|-
|[[White (U.S. Census)|White]] (NH)
|34,445
|91.1%
|-
|[[African American (U.S. Census)|Black or African American]] (NH)
|683
|1.8%
|-
|[[Native American (U.S. Census)|Native American]] (NH)
|91
|0.24%
|-
|[[Asian (U.S. Census)|Asian]] (NH)
|215
|0.57%
|-
|[[Pacific Islander (U.S. Census)|Pacific Islander]] (NH)
|30
|.08%
|-
|[[Race (United States Census)|Other/Mixed]] (NH)
|1,262
|3.33%
|-
|[[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]]
|1,087
|3%
|}

===2010 census===
The 2010 census recorded a population of 36,842 in the county, with a population density of {{Pop density|36842|729.99|sqmi|km2}}. There were 16,181 housing units, of which 14,806 were occupied.<ref name="USCB">{{cite web|url=https://www2.census.gov/library/publications/decennial/2010/cph-2/cph-2-17.pdf |archive-url=https://web.archive.org/web/20201016010401/https://www2.census.gov/library/publications/decennial/2010/cph-2/cph-2-17.pdf |archive-date=October 16, 2020 |url-status=live|title=Population & Housing Occupancy Status 2010|publisher=[[United States Census Bureau]] American FactFinder|access-date=August 15, 2022}}</ref>

===2000 census===
As of the census<ref name="GR2">{{cite web|url=https://www.census.gov|publisher=[[United States Census Bureau]]|access-date=January 31, 2008|title=U.S. Census website}}</ref> of 2000, there were 37,213 people, 14,689 households, and 10,267 families residing in the county. The population density was {{convert|51|/mi2|/km2|disp=preunit|people&nbsp;|people}}. There were 15,659 housing units at an average density of {{convert|22|/mi2|/km2|disp=preunit|units&nbsp;|units|}}. The racial makeup of the county was 97.58% [[Race (United States Census)|White]], 0.83% [[Race (United States Census)|Black]] or [[Race (United States Census)|African American]], 0.22% [[Race (United States Census)|Native American]], 0.44% [[Race (United States Census)|Asian]], 0.05% [[Race (United States Census)|Pacific Islander]], 0.26% from [[Race (United States Census)|other races]], and 0.62% from two or more races. 1.01% of the population were [[Race (United States Census)|Hispanic]] or [[Race (United States Census)|Latino]] of any race.

There were 14,689 households, out of which 31.70% had children under the age of 18 living with them, 59.30% were married couples living together, 7.40% had a female householder with no husband present, and 30.10% were non-families. 26.10% of all households were made up of individuals, and 11.80% had someone living alone who was 65 years of age or older. The average household size was 2.42 and the average family size was 2.92.

In the county, the population was spread out, with 24.60% under the age of 18, 7.40% from 18 to 24, 28.60% from 25 to 44, 23.40% from 45 to 64, and 16.00% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 101.60 males. For every 100 females age 18 and over, there were 99.70 males.

The median income for a household in the county was $41,683, and the median income for a family was $50,071. Males had a median income of $36,001 versus $24,770 for females. The per capita income for the county was $19,622. About 4.80% of families and 6.50% of the population were below the poverty line, including 7.10% of those under age 18 and 7.00% of those age 65 or over.

==Government and infrastructure==
The [[Iowa Department of Corrections]] [[Newton Correctional Facility]] is in an [[unincorporated area]] in Jasper County, near [[Newton, Iowa|Newton]].<ref>"[http://www.doc.state.ia.us/institutions_detail.asp?id=15 Newton Correctional Facility] {{Webarchive|url=https://web.archive.org/web/20110613115645/http://www.doc.state.ia.us/institutions_detail.asp?id=15 |date=June 13, 2011 }}." [[Iowa Department of Corrections]]. Retrieved on November 24, 2010. "Newton Correctional Facility 307 S. 60th Avenue W. P. O. Box 218 Newton, IA 50208"</ref>

{{PresHead|place=Jasper County, Iowa|source=<ref>{{Cite web|url=http://uselectionatlas.org/RESULTS|title=Dave Leip's Atlas of U.S. Presidential Elections|last=Leip|first=David|website=uselectionatlas.org|access-date=April 26, 2018}}</ref>}}
<!-- PresRow should be {{PresRow|Year|Winning party|GOP vote #|Dem vote #|3rd party vote #|State}} -->
{{PresRow|2024|Republican|12,701|7,141|356|Iowa}}
{{PresRow|2020|Republican|12,084|7,737|363|Iowa}}
{{PresRow|2016|Republican|10,560|7,109|1,365|Iowa}}
{{PresRow|2012|Democratic|8,877|10,257|381|Iowa}}
{{PresRow|2008|Democratic|8,794|10,250|378|Iowa}}
{{PresRow|2004|Democratic|9,462|10,430|170|Iowa}}
{{PresRow|2000|Republican|8,729|8,699|407|Iowa}}
{{PresRow|1996|Democratic|6,414|8,776|1,395|Iowa}}
{{PresRow|1992|Democratic|6,866|8,120|3,026|Iowa}}
{{PresRow|1988|Democratic|6,703|8,940|90|Iowa}}
{{PresRow|1984|Republican|8,576|8,023|100|Iowa}}
{{PresRow|1980|Republican|8,286|7,258|1,422|Iowa}}
{{PresRow|1976|Democratic|7,728|8,783|275|Iowa}}
{{PresRow|1972|Republican|9,133|7,007|373|Iowa}}
{{PresRow|1968|Republican|7,901|6,556|798|Iowa}}
{{PresRow|1964|Democratic|5,321|10,216|24|Iowa}}
{{PresRow|1960|Republican|9,332|7,242|11|Iowa}}
{{PresRow|1956|Republican|9,310|7,098|20|Iowa}}
{{PresRow|1952|Republican|9,610|6,756|99|Iowa}}
{{PresRow|1948|Democratic|5,710|6,684|392|Iowa}}
{{PresRow|1944|Democratic|6,413|6,978|88|Iowa}}
{{PresRow|1940|Democratic|7,240|8,129|52|Iowa}}
{{PresRow|1936|Democratic|5,875|8,315|205|Iowa}}
{{PresRow|1932|Democratic|5,399|6,781|221|Iowa}}
{{PresRow|1928|Republican|9,144|3,857|107|Iowa}}
{{PresRow|1924|Republican|6,565|1,214|3,778|Iowa}}
{{PresRow|1920|Republican|7,417|3,390|222|Iowa}}
{{PresRow|1916|Democratic|3,092|3,282|194|Iowa}}
{{PresRow|1912|Democratic|1,766|2,487|2,092|Iowa}}
{{PresRow|1908|Republican|3,543|2,889|249|Iowa}}
{{PresRow|1904|Republican|3,962|1,942|446|Iowa}}
{{PresRow|1900|Republican|3,894|3,163|136|Iowa}}
{{PresFoot|1896|Democratic|2,768|3,019|76|Iowa}}

==Communities==

===Cities===
{{div col|colwidth=22em}}
*[[Baxter, Iowa|Baxter]]
*[[Colfax, Iowa|Colfax]]
*[[Kellogg, Iowa|Kellogg]]
*[[Lambs Grove, Iowa|Lambs Grove]]
*[[Lynnville, Iowa|Lynnville]]
*[[Mingo, Iowa|Mingo]]
*[[Mitchellville, Iowa|Mitchellville]] 
(part)
*[[Monroe, Iowa|Monroe]]
*[[Newton, Iowa|Newton]]
*[[Oakland Acres, Iowa|Oakland Acres]]
*[[Prairie City, Iowa|Prairie City]]
*[[Reasnor, Iowa|Reasnor]]
*[[Sully, Iowa|Sully]]
*[[Valeria, Iowa|Valeria]]
{{div col end}}

===Unincorporated communities===
*[[Ira, Iowa|Ira]]
*[[Killduff, Iowa|Killduff]]
*Newburg
*[[Rushville, Iowa|Rushville]]

===Townships===
{{div col|colwidth=22em}}
*[[Buena Vista Township, Jasper County, Iowa|Buena Vista]]
*[[Clear Creek Township, Jasper County, Iowa|Clear Creek]]
*[[Des Moines Township, Jasper County, Iowa|Des Moines]]
*[[Elk Creek Township, Jasper County, Iowa|Elk Creek]]
*[[Fairview Township, Jasper County, Iowa|Fairview]]
*[[Hickory Grove Township, Jasper County, Iowa|Hickory Grove]]
*[[Independence Township, Jasper County, Iowa|Independence]]
*[[Kellogg Township, Jasper County, Iowa|Kellogg]]
*[[Lynn Grove Township, Jasper County, Iowa|Lynn Grove]]
*[[Malaka Township, Jasper County, Iowa|Malaka]]
*[[Mariposa Township, Jasper County, Iowa|Mariposa]]
*[[Mound Prairie Township, Jasper County, Iowa|Mound Prairie]]
*[[Newton Township, Jasper County, Iowa|Newton]]
*[[Palo Alto Township, Jasper County, Iowa|Palo Alto]]
*[[Poweshiek Township, Jasper County, Iowa|Poweshiek]]
*[[Richland Township, Jasper County, Iowa|Richland]]
*[[Rock Creek Township, Jasper County, Iowa|Rock Creek]]
*[[Sherman Township, Jasper County, Iowa|Sherman]]
*[[Washington Township, Jasper County, Iowa|Washington]]
{{div col end}}

===Population ranking===
The population ranking of the following table is based on the [[2020 United States census|2020 census]] of Jasper County.<ref name=cen2020/>

'''†''' ''county seat''

{| class="wikitable sortable"
|-
!Rank
!City/Town/etc.
!Municipal type
!Population (2020 Census)

|- style="background-color:#FFFACD;"
| 1
|'''†''' '''[[Newton, Iowa|Newton]]''' 
| City
| 15,760
|- style="background-color:#FFFACD;"
| 2
|'''[[Mitchellville, Iowa|Mitchellville]]'''  (''mostly in [[Polk County, Iowa|Polk County]]'')
| City
| 2,485
|- style="background-color:#FFFACD;"
| 3
|'''[[Colfax, Iowa|Colfax]]''' 
| City
| 2,255
|- style="background-color:#FFFACD;"
| 4
|'''[[Monroe, Iowa|Monroe]]''' 
| City
| 1,967
|- style="background-color:#FFFACD;"
| 5
|'''[[Prairie City, Iowa|Prairie City]]''' 
| City
| 1,700
|- style="background-color:#FFFACD;"
| 6
|'''[[Baxter, Iowa|Baxter]]''' 
| City
| 962
|- style="background-color:#FFFACD;"
| 7
|'''[[Sully, Iowa|Sully]]''' 
| City
| 881
|- style="background-color:#FFFACD;"
| 8
|'''[[Kellogg, Iowa|Kellogg]]''' 
| City
| 606
|- style="background-color:#FFFACD;"
| 9
|'''[[Lynnville, Iowa|Lynnville]]''' 
| City
| 380
|- style="background-color:#FFFACD;"
| 10
|'''[[Mingo, Iowa|Mingo]]''' 
| City
| 302
|- style="background-color:#FFFACD;"
| 11
|'''[[Oakland Acres, Iowa|Oakland Acres]]''' 
| City
| 176
|- style="background-color:#FFFACD;"
| 12
|'''[[Lambs Grove, Iowa|Lambs Grove]]''' 
| City
| 174
|- style="background-color:#FFFACD;"
| 13
|'''[[Reasnor, Iowa|Reasnor]]''' 
| City
| 152
|- style="background-color:#FFFACD;"
| 14
|'''[[Valeria, Iowa|Valeria]]''' 
| City
| 39
|}

==Notable people==
* [[John M. Haines]], [[List of Governors of Idaho|tenth Governor]] of [[Idaho]]; born in Jasper County.<ref>{{cite web|url= http://www.nga.org/cms/home/governors/past-governors-bios/page_idaho/col2-content/main-content-list/title_haines_john.html|title= Idaho Governor John Michiner Haines|publisher= National Governors Association|access-date= September 19, 2012|archive-date= March 4, 2016|archive-url= https://web.archive.org/web/20160304055810/http://www.nga.org/cms/home/governors/past-governors-bios/page_idaho/col2-content/main-content-list/title_haines_john.html|url-status= dead}}</ref> 
* [[Lyle Goodhue]], chemist and inventor, born in Jasper County.
* [[Sara Haines]], American television host and journalist.

==See also==
{{Portal|Iowa}}
*[[National Register of Historic Places listings in Jasper County, Iowa]]

==References==
{{Reflist|30em}}

==External links==
{{Commons}}<!-- for current and future use if material is uploaded -->
*[http://www.co.jasper.ia.us/ Jasper County government's website] {{Webarchive|url=https://web.archive.org/web/20180318183317/http://www.co.jasper.ia.us/ |date=March 18, 2018 }}

{{Geographic Location
|Centre    = Jasper County, Iowa
|North     = [[Marshall County, Iowa|Marshall County]]
|Northeast = 
|East      = [[Poweshiek County, Iowa|Poweshiek County]]
|Southeast = [[Mahaska County, Iowa|Mahaska County]]
|South     = [[Marion County, Iowa|Marion County]]
|Southwest = 
|West      = [[Polk County, Iowa|Polk County]]
|Northwest = [[Story County, Iowa|Story County]]
}}

{{Jasper County, Iowa}}
{{Iowa}}
{{Authority control}}
{{Coord|41|41|17|N|93|03|41|W|region:US-IA_type:adm2nd_source:dewiki|display=title}}

[[Category:Jasper County, Iowa| ]]
[[Category:1846 establishments in Iowa Territory]]
[[Category:Populated places established in 1846]]