Illinois Population Aged 25 Years and Above By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on August 20, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the Illinois population aged 25 years and above was 8,764,878.

Race: The White Alone racial group had the highest population aged 25 years and above (6.20M) and constituted 70.76% of the Illinois population aged 25yrs+. The Black or African American Alone racial group had the second highest population (1.18M) and constituted 13.41% of the population. The third highest racial group was Asian Alone (512.76K), constituting 5.85% of the population.

Ethnicity: The population of the Non-Hispanic White Alone ethnicity group was 5.66M and constituted 64.53% of the Illinois population aged 25yrs+. The population of the Hispanic or Latino of All Races ethnicity group was 1.27M and constituted 14.53% of the population.

The charts and tables below shows the population and percentages by race and ethnicity.

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

Illinois Population Aged 25 Years and Above By Race in 2021
White Alone
Black Alone
Asian Alone
Some Other Race Alone
Two or More Races
American Indian & Alaska Native Alone
Native Hawaiian & Pac. Islander Alone
Illinois Population Aged 25 Years and Above By Ethnicity in 2021
Non-Hispanic White Alone
Hispanic or Latino of All Races
All Others
Illinois Population Aged 25 Years and Above By Race in 2021
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Race Population % of Total Pop.
White Alone 6201838 70.76
Black or African American Alone 1174889 13.41
Asian Alone 512758 5.85
Some Other Race Alone 468973 5.35
Two Or More Races 375798 4.29
American Indian and Alaska Native Alone 27142 0.31
Native Hawaiian And Pacific Islander Alone 3480 0.04
Illinois Population Aged 25 Years and Above By Ethnicity in 2021
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Ethnicity Population % of Total Pop.
Non-Hispanic White Alone 5655605 64.53
Hispanic or Latino of All Races 1273485 14.53
All Other Ethnicities 1835788 20.95