Cook County, Illinois Population 2022

Cook County, Illinois's estimated population is 5,085,050 with a growth rate of -0.43% in the past year according to the most recent United States census data. Cook County, Illinois is the 2nd largest county in Illinois. The 2010 Population was 5,199,020 and has seen a growth of -2.19% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
184010,2010.00%
185043,38533,184325.30%
1860144,954101,569234.11%
1870349,966205,012141.43%
1880607,524257,55873.60%
18901,191,920584,39696.19%
19001,838,740646,82054.27%
19102,405,230566,49030.81%
19203,053,020647,79026.93%
19303,982,120929,10030.43%
19404,063,34081,2202.04%
19504,508,790445,45010.96%
19605,129,720620,93013.77%
19705,492,370362,6507.07%
19805,253,660-238,710-4.35%
19905,105,070-148,590-2.83%
20105,199,02093,9501.84%
20115,219,78020,7600.40%
20125,239,35019,5700.37%
20135,252,88013,5300.26%
20145,254,6801,8000.03%
20155,244,090-10,590-0.20%
20165,224,270-19,820-0.38%
20175,200,820-23,450-0.45%
20185,171,960-28,860-0.55%
20195,150,230-21,730-0.42%
20205,128,510-21,720-0.42%
20215,106,780-21,730-0.42%
20225,085,050-21,730-0.43%
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Cook County, Illinois Population Growth

Population by Race

Race Population Percentage
White2,812,20354.40%
Black or African American1,202,26023.26%
American Indian and Alaska Native16,0720.31%
Asian386,1197.47%
Native Hawaiian and Other Pacific Islander1,9510.04%
Some Other Race495,8539.59%
Two or More Races255,0594.93%
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Cook County, Illinois Population by Race

Cook County, Illinois Population Pyramid 2022

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Cook County, Illinois Median Age

37


Total

35.8


Male

38.2


Female

Cook County, Illinois Adults

There are 4,040,892 adults, (757,688 of whom are seniors) in Cook County, Illinois.

Cook County, Illinois Age Dependency

Age Dependency Ratio

23.1

Old Age Dependency Ratio

34.4

Child Dependency Ratio

Cook County, Illinois Sex Ratio

Female

2,659,831

51.45%

Male

2,509,686

48.55%

Cook County, Illinois Population by Age

Cook County, Illinois Renter vs Owner Occupied by Household Type

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Cook County, Illinois Household Types

Type Owner Renter
Married76.7%23.3%
All57.2%42.8%
Male51.5%48.5%
Female44.9%55.1%
Non Family42.7%57.3%

57.2%

Rate of Home Ownership

Cook County, Illinois Households and Families

Type Count Average Size Owned
All1,991,4742.5557.2
Married807,1943.3976.7
Male98,9733.4951.5
Female277,2583.5344.9
Non Family808,0491.2642.7

3.35

Average Family Size

2.55

Average Household Size

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Cook County, Illinois Households by Type

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Education Attained Count Percentage
Less Than 9th Grade224,4476.26%
9th to 12th Grade217,6016.07%
High School Graduate811,26422.63%
Some College660,13918.41%
Associates Degree238,0636.64%
Bachelors Degree846,36123.61%
Graduate Degree587,05816.38%
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Cook County, Illinois Educational Attainment by Sex (over 25)

Cook County, Illinois Educational Attainment by Race

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Race Total High School Bachelors
Asian284,297256,347184,296
White1,673,9501,590,721898,252
Islander1,4611,235526
2+ Races135,805114,31347,642
Native American10,4337,5052,537
Black806,274709,151193,491
Hispanic767,146536,462128,056
Other Race291,223188,44236,505

The highest rate of high school graduation is among white people with a rate of 95.03%.

The highest rate of bachelors degrees is among asian people with a rate of 64.83%.

Cook County, Illinois Educational Attainment by Race

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Name Average Male Female
Overall$45,875$51,914$40,590
Less Than 9th Grade$26,688$30,840$21,838
High School Graduate$31,681$36,722$25,847
Some College$37,952$45,393$32,103
Bachelors Degree$61,337$70,353$53,657
Graduate Degree$79,386$95,924$68,998

$45,875

Average Earnings

$51,914

Average Male

$40,590

Average Female

Cook County, Illinois Earnings by Educational Attainment

Cook County, Illinois Language by Age

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Cook County, Illinois Language

65.00% of Cook County, Illinois residents speak only English, while 35.00% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 20.56% of the population.

Cook County, Illinois Language

Cook County, Illinois Poverty by Race

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Name Total In Poverty Poverty Rate
Black1,174,506283,66424.15%
Islander1,86629615.86%
Hispanic1,295,854196,54015.17%
Native15,8562,31714.61%
Multiple251,96931,11912.35%
Asian379,43943,74911.53%
White2,129,919159,3697.48%
Other82,715NaN%

13.68%

Overall Poverty Rate

12.29%

Male Poverty Rate

14.98%

Female Poverty Rate

Poverty in Cook County, Illinois

The race most likely to be in poverty in Cook County, Illinois is Black, with 24.15% below the poverty level.

The race least likely to be in poverty in Cook County, Illinois is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.24%. Among those working part-time, it was 15.68%, and for those that did not work, the poverty rate was 24.38%.

Cook County, Illinois Poverty

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Name Poverty
Less Than 9th Grade22.74%
High School15.19%
Some College11.66%
Bachelors or Greater5.18%

Cook County, Illinois Poverty Rate by Education

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Rate Poverty
Male Employed4.59%
Male Unemployed28.02%
Female Employed6.57%
Female Unemployed35.61%

Cook County, Illinois Poverty Rate by Employment Status and Sex

Cook County, Illinois Income by Household Type

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Name Median Mean
Households$67,886$99,255
Families$84,500$118,875
Married Families$107,233$144,483
Non Families$46,401$67,333
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Income by Household Type

Cook County, Illinois Marital Status

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Marriage Rates

42.3%

Overall Marriage Rate

44.6%

Male Marriage Rate

40.3%

Female Marriage Rate

Cook County, Illinois Married by Age and Sex

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Cook County, Illinois Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Cook County, Illinois Marital Status by Race

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Cook County, Illinois Marital Status

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152,483

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War23,700
First Gulf War23,069
Vietnam54,154
Korea13,523
World War II6,721

Cook County, Illinois Veterans by War

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Age Group Veterans
18 to 3411,148
35 to 5430,717
55 to 6423,671
65 to 7441,452
75+45,495

Cook County, Illinois Veterans by Age

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Name Veterans % of Total
White92,0894.05%
Black46,8095.07%
Native American3793.18%
Asian3,8581.22%
Islander1519.43%
Other Race4,1931.20%
2+ Races5,0043.10%
Hispanic15,1931.66%

Cook County, Illinois Veterans by Race

Cook County, Illinois Veterans by Education

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8.03%

Veteran Poverty Rate

29.26%

Veteran Disability Rate

Cook County, Illinois Veterans by Education

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66.1%

Labor Force Participation

61.5%

Employment Rate

7%

Unemployment Rate

Cook County, Illinois Employment by Age

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Cook County, Illinois Employment by Race

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Cook County, Illinois Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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61.76%

Born in Cook County, Illinois

79.14%

Native Born

20.86%

Foreign Born

10.02%

Non Citizen

10.85%

Naturalized

Place of Birth

79.14% of Cook County, Illinois residents were born in the United States, with 61.76% having been born in Illinois. 10.02% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Cook County, Illinois Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources