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

Updated on July 17, 2024.

Based on the US Census ACS-5Yrs estimates, in 2021, the voting-age population of DeKalb County, IL was 79,037. The White Alone racial group had the highest voting-age population (65.54K) and constituted 82.92% of the total voting-age population. The Black or African American Alone racial group had the second highest voting-age population (5.52K) and constituted 6.98% of the total voting-age population. The Two Or More Races racial group had the third highest voting-age population (2.96K) and constituted 3.74% of the total voting-age population.

The voting-age population of the Non-Hispanic White Alone ethnicity group was 61.82K and constituted 78.21% of the total voting-age population. The voting-age population of the Hispanic or Latino of All Races ethnicity group was 7.72K and constituted 9.77% of the total voting-age population.

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

Note: Missing racial or ethnicity groups means there was not enough information for an estimate.

You can also see similar information for other Illinois counties, and for Illinois.

DeKalb County, Illinois Voting-age Population By Race in 2021
White Alone
Black or African American Alone
Two Or More Races
Some Other Race Alone
Asian Alone
American Indian and Alaska Native Alone
Native Hawaiian And Pacific Islander Alone
DeKalb County, Illinois Voting-age Population By Ethnicity in 2021
Non-Hispanic White Alone
Hispanic or Latino of All Races
DeKalb County, Illinois Voting-age Population By Race in 2021
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Race Voting-age Population % of Voting-age Pop.
White Alone 65541 82.92
Black or African American Alone 5515 6.98
Two Or More Races 2955 3.74
Some Other Race Alone 2745 3.47
Asian Alone 2116 2.68
American Indian and Alaska Native Alone 155 0.20
Native Hawaiian And Pacific Islander Alone 10 0.01
DeKalb County, Illinois Voting-age Population By Ethnicity in 2021
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Ethnicity Voting-age Population % of Voting-age Pop.
Non-Hispanic White Alone 61818 78.21
Hispanic or Latino of All Races 7721 9.77