Cook, Illinois Voting-age Population By Ethnicity in Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, among Cook, IL population of 4,172,402 people, 43.49% of them (1,814,611 people) identified their ethnicity as Non-Hispanic - White Alone, 22.18% of them (925,463 people) identified their ethnicity as Non-Hispanic - Black or African American Alone, and 11.90% of them (496,463 people) identified their ethnicity as Hispanic - Some Other Race Alone.

The first chart below shows the voting-age population by ethnicity and the second chart shows the percentage of the voting-age population for each ethnicity. You can also find the information in a table below.

You can see similar information for other Illinois counties and also for the state of Illinois.

Cook, IL Voting-age Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Black Alone
Hispanic - Some Other Race Alone
Non-Hispanic - Asian Alone
Hispanic - Two or More Races
Hispanic - White Alone
Non-Hispanic - Two or More Races
Percentage of Cook, IL Voting-age Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Black Alone
Hispanic - Some Other Race Alone
Non-Hispanic - Asian Alone
Hispanic - Two or More Races
Hispanic - White Alone
Non-Hispanic - Two or More Races
Cook, IL Voting-age Population By Ethnicity in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 1814611 43.49
Non-Hispanic - Black or African American Alone 925463 22.18
Hispanic - Some Other Race Alone 496463 11.90
Non-Hispanic - Asian Alone 335572 8.04
Hispanic - Two Or More Races 294123 7.05
Hispanic - White Alone 144309 3.46
Non-Hispanic - Two Or More Races 89365 2.14
Hispanic - American Indian and Alaska Native Alone 37199 0.89
Non-Hispanic - Some Other Race Alone 15159 0.36
Hispanic - Black or African American Alone 11448 0.27
Non-Hispanic - American Indian and Alaska Native Alone 4524 0.11
Hispanic - Asian Alone 2707 0.07
Non-Hispanic - Native Hawaiian And Pacific Islander Alone 822 0.02
Hispanic - Native Hawaiian And Pacific Islander Alone 637 0.02