DeKalb County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2020 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the citizen voting-age population for DeKalb County, IL was 78.17K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (64.25K) and constituted 82.20% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (5.40K) and constituted 6.91% of the total. The Non-Hispanic Black or African American Alone ethnicity group had the third highest (5.18K), constituting 6.63% of the total citizen voting-age population.

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

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

Data Source: US Census - ACS 5-Years (CVAP).

See this for other years:

DeKalb County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2020

Non-Hispanic White Alone

Hispanic or Latino of All Races

Non-Hispanic Black Alone

Non-Hispanic Two Or More Races

Non-Hispanic Asian Alone

Non-Hispanic American Indian & Alaska Native Alone

DeKalb County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2020

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	64250	82.20
Hispanic or Latino of All Races	5400	6.91
Non-Hispanic Black or African American Alone	5180	6.63
Non-Hispanic Two Or More Races	2074	2.65
Non-Hispanic Asian Alone	1225	1.57
Non-Hispanic American Indian and Alaska Native Alone	40	0.05