Editing Cook County, Illinois (section)

==Demographics==
{{US Census population
|1840= 10201
|1850= 43385
|1860= 144954
|1870= 349966
|1880= 607524
|1890= 1191922
|1900= 1838735
|1910= 2405233
|1920= 3053017
|1930= 3982123
|1940= 4063342
|1950= 4508792
|1960= 5129725
|1970= 5492369
|1980= 5253655
|1990= 5105067
|2000= 5376741
|2010= 5194675
|2020= 5275541
|estyear=2024
|estimate=5182617
|estref=<ref>{{cite web |last1=Bureau |first1=US Census |title=Growth in Metro Areas Outpaced Nation |url=https://www.census.gov/newsroom/press-releases/2025/population-estimates-counties-metro-micro.html |website=Census.gov |access-date=14 March 2025 |language=en}}</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 4, 2014|archive-date=April 26, 2015|archive-url=https://web.archive.org/web/20150426102944/http://www.census.gov/prod/www/decennial.html|url-status=live}}</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 4, 2014|archive-date=August 11, 2012|archive-url=https://web.archive.org/web/20120811110448/http://mapserver.lib.virginia.edu/|url-status=live}}</ref> 1900–1990<ref>{{cite web|url=https://www.census.gov/population/cencounts/il190090.txt|title=Population of Counties by Decennial Census: 1900 to 1990|publisher=United States Census Bureau|access-date=July 4, 2014|archive-date=April 24, 2014|archive-url=https://web.archive.org/web/20140424084443/http://www.census.gov/population/cencounts/il190090.txt|url-status=live}}</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 4, 2014}}</ref> 2010–2019<ref name="QF">{{cite web|title=State & County QuickFacts|url=http://quickfacts.census.gov/qfd/states/17/17031.html|publisher=United States Census Bureau|access-date=January 20, 2016|archive-url=https://web.archive.org/web/20110715143652/http://quickfacts.census.gov/qfd/states/17/17031.html|archive-date=July 15, 2011|url-status=dead}}</ref>
}}

According to the [[2000 United States Census|2000 Census]] there were 1,974,181 households, out of which 30.9% had children under the age of 18 living with them, 44.0% were married couples living together, 15.6% had a female householder with no husband present, and 35.7% were non-families. 29.4% of all households were someone living alone including 9.3% who were 65 years of age or older. The average household size was 2.68 and the average family size was 3.38.
[[File:Ethnic Origins in Cook County, IL.png|thumb|330x330px|Ethnic origins in Cook County]]
[[Image:USA Cook County, Illinois age pyramid.svg|thumb|right|2000 census age pyramid for Cook County]]
In the county, the population age distribution was: 26.0% under the age of 18, 9.9% from 18 to 24, 31.7% from 25 to 44, 20.7% from 45 to 64, and 11.7% who were 65 years of age or older.  The median age was 34 years.  For every 100 females, there were 93.9 males.  For every 100 females age 18 and over, there were 90.5 males.

The median income for a household in the county was $45,922, and the median income for a family was $53,784. Males had a median income of $40,690 versus $31,298 for females. The per capita income for the county was $23,227. About 10.6% of families and 13.5% of the population were below the poverty line, including 18.9% of those under age 18 and 10.3% of those age 65 or over.

As of the fourth quarter of 2021, the median home value in Cook County was $299,571, an increase of 11.7% from the prior year.<ref>{{Cite web |title=County Median Home Price |url=https://www.nar.realtor/research-and-statistics/housing-statistics/county-median-home-prices-and-monthly-mortgage-payment |url-status=live |archive-url=https://archive.today/20220415015215/https://www.nar.realtor/research-and-statistics/housing-statistics/county-median-home-prices-and-monthly-mortgage-payment |archive-date=April 15, 2022 |access-date=April 14, 2022 |website=National Association of Realtors|date=January 4, 2019 }}</ref>

According to Census Bureau estimates, the county's population grew by 5.3% from 1990 to 2000, decreased by 3.4% between the 2000 census and the 2010 census, and increased 1.6% between 2010 and 2020.

===Race/ethnicity===

{| class="wikitable" style="text-align:center;"
|+'''Cook County, Illinois – 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 – Cook County, Illinois |url=https://data.census.gov/table?g=050XX00US17031&tid=DECENNIALSF12000.P004|publisher=[[United States Census Bureau]] |access-date=January 26, 2024}}</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) – Cook County, Illinois|url=https://data.census.gov/cedsci/table?q=p2&g=050XX00US17031&tid=DECENNIALPL2010.P2|website=[[United States Census Bureau]]|access-date=April 5, 2023|archive-date=April 5, 2023|archive-url=https://web.archive.org/web/20230405135724/https://data.census.gov/cedsci/table?q=p2&g=050XX00US17031&tid=DECENNIALPL2010.P2|url-status=live}}</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) – Cook County, Illinois|url=https://data.census.gov/cedsci/table?q=p2&g=050XX00US17031&tid=DECENNIALPL2020.P2|website=[[United States Census Bureau]]|access-date=April 5, 2023|archive-date=April 5, 2023|archive-url=https://web.archive.org/web/20230405135725/https://data.census.gov/cedsci/table?q=p2&g=050XX00US17031&tid=DECENNIALPL2020.P2|url-status=live}}</ref>
!% 2000
!% 2010
!{{partial|% 2020}}
|-
|[[Non-Hispanic or Latino whites|White]] alone (NH)
|2,558,709
|2,278,358
|style='background: #ffffe6;| 2,135,243
|47.59%
|43.86%
|style='background: #ffffe6;| 40.47%
|-
|[[Non-Hispanic or Latino African Americans|Black or African American]] alone (NH)
|1,390,448
|1,265,778
|style='background: #ffffe6;| 1,185,601
|25.86%
|24.37%
|style='background: #ffffe6;| 22.47%
|-
|[[Native Americans in the United States|Native American]] or [[Alaska Native]] alone (NH)
|6,754
|6,682
|style='background: #ffffe6;| 5,655
|0.13%
|0.13%
|style='background: #ffffe6;| 0.11%
|-
|[[Asian Americans|Asian]] alone (NH)
|257,843
|318,869
|style='background: #ffffe6; |408,691
|4.80%
|6.14%
|style='background: #ffffe6;| 7.75%
|-
|[[Native Hawaiian]] or [[Pacific Islander Americans|Pacific Islander]] alone (NH)
|1,543
|1,043
|style='background: #ffffe6;| 961
|0.03%
|0.02%
|style='background: #ffffe6;| 0.02%
|-
|[[Race and ethnicity in the United States census|Other race]] alone (NH)
|7,291
|7,751
|style='background: #ffffe6; |20,538
|0.14%
|0.15%
|style='background: #ffffe6;| 0.39%
|-
|[[Multiracial Americans|Mixed race or Multiracial]] (NH)
|82,413
|71,432
|style='background: #ffffe6;| 136,074
|1.53%
|1.38%
|style='background: #ffffe6;| 2.58%
|-
|[[Hispanic and Latino Americans|Hispanic or Latino]] (any race)
|1,071,740
|1,244,762
|style='background: #ffffe6;| 1,382,778
|19.93%
|23.96%
|style='background: #ffffe6;| 26.21%
|-
|'''Total'''
|'''5,376,741'''
|'''5,194,675'''
|style='background: #ffffe6;| '''5,275,541'''
|'''100.00%'''
|'''100.00%'''
|style='background: #ffffe6;| '''100.00%'''
|}

As of the [[2010 United States Census|2010 Census]], the population of the county was 5,194,675, [[White American]]s made up 55.4% of Cook County's population; [[non-Hispanic whites]] represented 43.9% of the population. African Americans made up 24.8% of the population. Native Americans made up 0.4% of Cook County's population. Asian Americans made up 6.2% of the population (1.8% Indian, 1.2% Filipino, 1.2% Chinese, 0.7% Korean, 0.3% Vietnamese, 0.2% Japanese, 0.8% Other). [[Pacific Islander American]]s made up less than 0.1% of the population.  People from other races made up 10.6% of the population; people from [[Multiracial American|two or more races]] made up 2.5% of the county's population. [[Hispanic and Latino Americans|Hispanics and Latinos]] (of any race) made up 24.0% of Cook County's population.

As of the [[2000 United States Census|2000 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  |archive-date=July 9, 2021 |archive-url=https://web.archive.org/web/20210709054630/https://www.census.gov/ |url-status=live }}</ref> there were 5,376,741 people, 1,974,181 households, and 1,269,398 families residing in the county. The population density was {{convert|5,686|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 2,096,121 housing units at an average density of {{convert|2,216|/sqmi|/km2|sp=us|adj=off}}.  The racial makeup of the county was 56.27% white, 26.14% [[Black people|Black]] or African American, 0.29% Native American, 4.84% [[Asian American|Asian]], 0.05% Pacific Islanders, 9.88% from other races, and 2.53% from two or more races. 19.93% of the population were [[Hispanics in the United States|Hispanic]] or Latino of any race. 9.1% were of Polish, 8.1% German, 7.9% Irish and 5.7% Italian ancestry. 17.63% reported speaking Spanish at home; 3.13% speak [[Polish language|Polish]].<ref>{{cite web|url=http://www.mla.org/map_data_results%26state_id%3D17%26county_id%3D31%26mode%3Dgeographic%26zip%3D%26place_id%3D%26cty_id%3D%26ll%3Dall%26a%3D%26ea%3D%26order%3Dr|title=Language Map Data Center|website=www.mla.org|access-date=October 7, 2006|archive-date=October 16, 2015|archive-url=https://web.archive.org/web/20151016151332/http://www.mla.org/map_data_results%26state_id%3D17%26county_id%3D31%26mode%3Dgeographic%26zip%3D%26place_id%3D%26cty_id%3D%26ll%3Dall%26a%3D%26ea%3D%26order%3Dr|url-status=live}}</ref>

Whites (Hispanic and non-Hispanic) number roughly 2,793,500.  There are about 2,372,500 non-Hispanic whites residing in Cook County. Sizeable non-Hispanic white populations are those of [[German American|German]] (11.4%), [[Irish American|Irish]] (10.3%), [[Polish American|Polish]] (9.7%), [[Italian American|Italian]] (6.1%), and [[British American|British]] (4.1%) descent. There are also significant groups of [[Swedish American|Swedish]] (1.5%), [[Russian American|Russian]] (1.5%), [[French American|French]] (1.3%), [[Greek American|Greek]] (1.2%), [[Czech American|Czech]] (1.0%), [[Dutch American|Dutch]] (1.0%), [[Lithuanian American|Lithuanian]] (0.9%), and [[Norwegian American|Norwegian]] (0.8%) descent.

Cook County has more Black residents than any county in the United States.<Ref>{{cite web | url=https://www.chicagobusiness.com/economy/cook-countys-black-populations-continues-decline | title=Cook County continues to lose Black residents, along with other big cities | date=July 5, 2023 }}</ref> Black Americans are the second largest racial group in the county, accounting for slightly over one-quarter (25.4%) of Cook County's population. Blacks of non-Hispanic origin form 25.2% of the population; black Hispanics make up the remaining 0.2% of the populace. There are roughly 1,341,000 African Americans of both Hispanic and non-Hispanic origin living in Cook County; 1,328,000 are non-Hispanic blacks. Roughly 52,500 people were of Sub-Saharan African ancestry, making up 1.0% of the total population.

Approximately 10,300 residents of Cook County are of Native American ancestry. They consist of [[Cherokee]], [[Chippewa]], [[Navajo people|Navajo]], and [[Sioux]]. Native Americans of Hispanic origin represent a sizeable portion of the Native American population. Nearly 6,000 Native Americans are of non-Hispanic origin, and some 4,300 are of Hispanic origin. Over 40% of the Native American racial group is of Hispanic descent.

[[File:Bar Chart of Non-English Speakers in Cook County, Il (2015).svg|thumb|upright=1.5|Non-English speakers in Cook County]]
Asian Americans are a very sizeable racial group in the county, numbering about 301,000. The Asian population is ethnically diverse, and includes roughly 87,900 [[Indian American|Indians]], 61,700 [[Filipino American|Filipinos]], 60,700 [[Chinese American|Chinese]], 35,000 [[Korean American|Koreans]], 13,700 [[Vietnamese American|Vietnamese]], and 11,100 [[Japanese American|Japanese]]. Roughly 30,800 are of other Asian ethnic groups, such as [[Thai American|Thai]], [[Cambodian American|Cambodian]], and [[Hmong American|Hmong]].

Approximately 3,000 residents are of Pacific Islander heritage. This group includes roughly [[Native Hawaiians]], Guamanians, [[Samoan American|Samoans]], and various people of other Pacific Islander groups.

Hispanic and Latino Americans make up over one-fifth (22.8%) of Cook County's population. Roughly 1,204,000 Latinos live in the county. [[Mexican American|Mexicans]] are the most common Latino group. Cook County's 925,000 Mexican Americans make up 17.5% of its population. Roughly 127,000 [[Puerto Ricans in the United States|Puerto Ricans]] live in the county, while over 12,200 [[Cuban American|Cubans]] reside in the county. There are some 140,000 Hispanics and Latinos of other nationalities living in Cook County (i.e. [[Colombian American|Colombian]], [[Bolivian American|Bolivian]], etc.), and they collectively make up 2.6% of the county's population.<ref>[http://factfinder.census.gov/servlet/ADPTable?_bm=y&-geo_id=05000US17031&-qr_name=ACS_2008_3YR_G00_DP3YR5&-ds_name=ACS_2008_3YR_G00_&-_lang=en&-_sse=on American FactFinder<!-- Bot generated title -->] {{webarchive |url=https://archive.today/20200210225008/http://factfinder.census.gov/servlet/ADPTable?_bm=y&-geo_id=05000US17031&-qr_name=ACS_2008_3YR_G00_DP3YR5&-ds_name=ACS_2008_3YR_G00_&-_lang=en&-_sse=on |date=February 10, 2020 }}</ref><ref>[http://factfinder.census.gov/servlet/ADPTable?_bm=y&-geo_id=05000US17031&-qr_name=ACS_2008_3YR_G00_DP3YR2&-ds_name=&-_lang=en&-redoLog=false American FactFinder<!-- Bot generated title -->] {{webarchive |url=https://archive.today/20200210212340/http://factfinder.census.gov/servlet/ADPTable?_bm=y&-geo_id=05000US17031&-qr_name=ACS_2008_3YR_G00_DP3YR2&-ds_name=&-_lang=en&-redoLog=false |date=February 10, 2020 }}</ref>

===Religion===
In 2010 statistics, the largest religious group in Cook County was the [[Roman Catholic Archdiocese of Chicago|Archdiocese of Chicago]], with 1,947,223 Catholics worshipping at 371 parishes, followed by 209,195 [[Nondenominational Christianity|non-denominational]] adherents with 486 congregations, an estimated 201,152 [[Islam in the United States|Muslims]] with 62 congregations, 68,865 [[National Baptist Convention, USA, Inc.|NBC]] Baptists with 99 congregations, 49,925 [[Evangelical Lutheran Church in America|ELCA]] Lutherans with 145 congregations, 49,909 [[Southern Baptist Convention|SBC]] Baptists with 181 congregations, 45,979 [[Lutheran Church–Missouri Synod|LCMS]] Lutherans with 120 congregations, 39,866 [[United Church of Christ|UCC]] Christians with 101 congregations, 33,584 [[United Methodist Church|UMC]] Methodists with 121 congregations, and 32,646 [[Assemblies of God|AG]] Pentecostals with 64 congregations. Altogether, 59.6% of the population was claimed as members by religious congregations, although members of historically African-American denominations were underrepresented due to incomplete information.<ref>{{cite web | title = County Membership Report Cook County (Illinois) | url = http://www.thearda.com/rcms2010/rcms2010A.asp?U=17031&T=county&Y=2010&S=adh | archive-url = http://webarchive.loc.gov/all/20201124141216/https://www.thearda.com/rcms2010/rcms2010A.asp?U%3D17031%26T%3Dcounty%26Y%3D2010%26S%3Dadh | url-status = dead | archive-date = November 24, 2020 | website = The [[Association of Religion Data Archives]] | date = 2010 | access-date = December 31, 2019 }}</ref> In 2014, Cook County had 2,001 religious organizations, second only to [[Los Angeles County, California|Los Angeles County]] out of all US counties.<ref>{{cite web | title = Social Capital Variables Spreadsheet for 2014 | url = https://aese.psu.edu/nercrd/community/social-capital-resources/social-capital-variables-for-2014/social-capital-variables-spreadsheet-for-2014 | website = PennState College of Agricultural Sciences, Northeast Regional Center for Rural Development | date = December 8, 2017 | access-date = December 30, 2019 | archive-date = December 31, 2019 | archive-url = https://web.archive.org/web/20191231001016/https://aese.psu.edu/nercrd/community/social-capital-resources/social-capital-variables-for-2014/social-capital-variables-spreadsheet-for-2014 | url-status = live }}</ref>