Illinois Voting-age Population By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on February 28, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the Illinois voting-age population was 9,934,462. The White Alone racial group had the highest voting-age population (6.93M) and constituted 69.76% of the Illinois voting-age population. The Black or African American Alone racial group had the second highest voting-age population (1.36M) and constituted 13.72% of Illinois voting-age population. The Asian Alone racial group had the third highest voting-age population (579.94K), constituting 5.84% of Illinois voting-age population.

The voting-age population of the Non-Hispanic White Alone ethnicity group was 6.27M and constituted 63.11% of Illinois voting-age population. The voting-age population of the Hispanic or Latino of All Races ethnicity group was 1.54M and constituted 15.49% of Illinois voting-age population.

The charts and tables below shows the voting-age population and percentages by race and ethnicity for Illinois.

You can see similar information for other states and for the United States.

Illinois Voting-age Population By Race in 2021
White Alone
Black or African American Alone
Asian Alone
Some Other Race Alone
Two Or More Races
American Indian and Alaska Native Alone
Native Hawaiian And Pacific Islander Alone
Illinois Voting-age Population By Ethnicity in 2021
Non-Hispanic White Alone
Hispanic or Latino of All Races
Illinois Voting-age Population By Race in 2021
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Race Voting-age Population % of Voting-age Pop.
White Alone 6929973 69.76
Black or African American Alone 1362795 13.72
Asian Alone 579943 5.84
Some Other Race Alone 565075 5.69
Two Or More Races 460780 4.64
American Indian and Alaska Native Alone 31825 0.32
Native Hawaiian And Pacific Islander Alone 4071 0.04
Illinois Voting-age Population By Ethnicity in 2021
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Ethnicity Voting-age Population % of Voting-age Pop.
Non-Hispanic White Alone 6269585 63.11
Hispanic or Latino of All Races 1538580 15.49