Warren County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2015 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the citizen voting-age population for Warren County, IL was 12.98K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (12.16K) and constituted 93.64% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (465) and constituted 3.58% of the total. The Non-Hispanic Black or African American Alone ethnicity group had the third highest (260), constituting 2.00% 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 2015

Non-Hispanic White Alone

Hispanic or Latino of All Races

Non-Hispanic Black Alone

Non-Hispanic Two Or More Races

Non-Hispanic Asian Alone

Warren County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2015

0 of 0

Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	12155	93.64
Hispanic or Latino of All Races	465	3.58
Non-Hispanic Black or African American Alone	260	2.00
Non-Hispanic Two Or More Races	54	0.42
Non-Hispanic Asian Alone	45	0.35