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Cook County, Illinois's estimated population is 5,106,780 with a growth rate of -0.42% in the past year according to the most recent United States census data. Cook County, Illinois is the null largest county in Illinois. The 2010 Population was 5,199,020 and has seen a growth of -1.77% since this time.
| Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2021 | 5,106,780 | -21,730 | -0.42% |
| 2020 | 5,128,510 | -21,720 | -0.42% |
| 2019 | 5,150,230 | -21,730 | -0.42% |
| 2018 | 5,171,960 | -28,860 | -0.55% |
| 2017 | 5,200,820 | -23,450 | -0.45% |
| 2016 | 5,224,270 | -19,820 | -0.38% |
| 2015 | 5,244,090 | -10,590 | -0.20% |
| 2014 | 5,254,680 | 1,800 | 0.03% |
| 2013 | 5,252,880 | 13,530 | 0.26% |
| 2012 | 5,239,350 | 19,570 | 0.37% |
| 2011 | 5,219,780 | 20,760 | 0.40% |
| 2010 | 5,199,020 | 93,950 | 1.84% |
| 1990 | 5,105,070 | -148,590 | -2.83% |
| 1980 | 5,253,660 | -238,710 | -4.35% |
| 1970 | 5,492,370 | 362,650 | 7.07% |
| 1960 | 5,129,720 | 620,930 | 13.77% |
| 1950 | 4,508,790 | 445,450 | 10.96% |
| 1940 | 4,063,340 | 81,220 | 2.04% |
| 1930 | 3,982,120 | 929,100 | 30.43% |
| 1920 | 3,053,020 | 647,790 | 26.93% |
| 1910 | 2,405,230 | 566,490 | 30.81% |
| 1900 | 1,838,740 | 646,820 | 54.27% |
| 1890 | 1,191,920 | 584,396 | 96.19% |
| 1880 | 607,524 | 257,558 | 73.60% |
| 1870 | 349,966 | 205,012 | 141.43% |
| 1860 | 144,954 | 101,569 | 234.11% |
| 1850 | 43,385 | 33,184 | 325.30% |
| 1840 | 10,201 | 0.00% |
| Race | Population | Percentage |
|---|---|---|
| White | 2,946,312 | 56.68% |
| Black or African American | 1,217,421 | 23.42% |
| Some Other Race | 500,069 | 9.62% |
| Asian | 379,444 | 7.30% |
| Two or More Races | 138,139 | 2.66% |
| American Indian and Alaska Native | 14,911 | 0.29% |
| Native Hawaiian and Other Pacific Islander | 1,982 | 0.04% |
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 1,972,110 | 2.59 | 56.9 |
| Married | 805,415 | 3.42 | 76.2 |
| Non Family | 788,836 | 1.26 | 42.6 |
| Mujer | 279,857 | 3.59 | 43.7 |
| Masculino | 98,000 | 3.56 | 51.7 |
3.39
Average Family Size
2.59
Average Household Size
| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 234,148 | 6.53% |
| 9th to 12th Grade | 227,732 | 6.35% |
| High School Graduate | 829,451 | 23.12% |
| Some College | 666,607 | 18.58% |
| Associates Degree | 237,123 | 6.61% |
| Bachelors Degree | 825,673 | 23.01% |
| Graduate Degree | 566,842 | 15.80% |
| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 1,691,110 | 1,602,820 | 889,945 |
| Black | 809,334 | 706,360 | 182,936 |
| Hispanic | 761,888 | 522,883 | 118,980 |
| Other Race | 290,419 | 183,657 | 32,806 |
| Asian | 279,637 | 251,284 | 176,350 |
| 2+ Races | 64,494 | 58,215 | 29,715 |
| Native American | 10,095 | 7,121 | 2,122 |
| Islander | 1,321 | 1,136 | 441 |
The highest rate of high school graduation is among white people with a rate of 94.78%.
The highest rate of bachelors degrees is among asian people with a rate of 63.06%.
$44,142
Average Earnings
$50,608
Average Male
$38,954
Average Female
64.72% of Cook County, Illinois residents speak only English, while 35.28% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 20.77% of the population.
| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| Black | 1,191,250 | 298,160 | 25.03% |
| Hispanic | 1,302,740 | 218,222 | 16.75% |
| White | 2,158,910 | 161,618 | 7.49% |
| Other | 497,026 | 89,986 | 18.10% |
| Asian | 372,995 | 45,155 | 12.11% |
| Multiple | 136,053 | 19,912 | 14.64% |
| Native | 14,679 | 2,845 | 19.38% |
| Islander | 1,902 | 295 | 15.51% |
14.37%
Overall Poverty Rate
12.87%
Male Poverty Rate
15.77%
Female Poverty Rate
The race most likely to be in poverty in Cook County, Illinois is Black, with 25.03% below the poverty level.
The race least likely to be in poverty in Cook County, Illinois is White, with 7.49% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.45%. Among those working part-time, it was 16.03%, and for those that did not work, the poverty rate was 25.14%.
42.2%
Overall Marriage Rate
44.4%
Male Marriage Rate
40.0%
Female Marriage Rate
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.
| Name | Veterans | % of Total |
|---|---|---|
| White | 97,914 | 4.14% |
| Black | 47,482 | 5.10% |
| Hispanic | 14,155 | 1.56% |
| Other Race | 3,650 | 1.05% |
| 2+ Races | 3,563 | 4.50% |
| Asian | 2,835 | 0.91% |
| Native American | 417 | 3.63% |
| Islander | 139 | 9.37% |
8.29%
Veteran Poverty Rate
28.63%
Veteran Disability Rate
66.1%
Labor Force Participation
61.4%
Employment Rate
7%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
78.86%
Native Born
21.14%
Foreign Born
10.43%
Non Citizen
10.71%
Naturalized
78.86% of Cook County, Illinois residents were born in the United States, with 61.54% having been born in Illinois. 10.43% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.