Warren County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2023 (ACS-5Yrs)

Updated on March 26, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2023, the citizen voting-age population for Warren County, IL was 12.49K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (10.96K) and constituted 87.71% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (895) and constituted 7.17% of the total. The Non-Hispanic Black or African American Alone ethnicity group had the third highest (285), constituting 2.28% 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:

Warren County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2023

Non-Hispanic White Alone

Hispanic or Latino of All Races

Non-Hispanic Black Alone

Non-Hispanic Asian Alone

Non-Hispanic Two Or More Races

Non-Hispanic American Indian & Alaska Native Alone

Non-Hispanic Native Hawaiian & Pac. Islander Alone

Warren County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2023

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	10955	87.71
Hispanic or Latino of All Races	895	7.17
Non-Hispanic Black or African American Alone	285	2.28
Non-Hispanic Asian Alone	210	1.68
Non-Hispanic Two Or More Races	110	0.88
Non-Hispanic American Indian and Alaska Native Alone	20	0.16
Non-Hispanic Native Hawaiian And Pacific Islander Alone	20	0.16