Washington 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 Washington County, IL was 11.33K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (11.08K) and constituted 97.79% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (90) and constituted 0.80% of the total. The Non-Hispanic Two Or More Races ethnicity group had the third highest (73), constituting 0.65% 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:

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

Non-Hispanic White Alone

Hispanic or Latino of All Races

Non-Hispanic Two Or More Races

Non-Hispanic Black Alone

Non-Hispanic Asian Alone

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

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	11075	97.79
Hispanic or Latino of All Races	90	0.80
Non-Hispanic Two Or More Races	73	0.65
Non-Hispanic Black or African American Alone	50	0.44
Non-Hispanic Asian Alone	25	0.22