Marion County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2010 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2010, the citizen voting-age population for Marion County, IL was 30.03K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (28.43K) and constituted 94.69% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (810) and constituted 2.70% of the total. The Non-Hispanic Two Or More Races ethnicity group had the third highest (335), constituting 1.12% 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:

Marion County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2010

Non-Hispanic White Alone

Non-Hispanic Black Alone

Non-Hispanic Two Or More Races

Hispanic or Latino of All Races

Non-Hispanic Asian Alone

Non-Hispanic American Indian & Alaska Native Alone

Non-Hispanic Native Hawaiian & Pac. Islander Alone

Marion County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2010

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	28430	94.69
Non-Hispanic Black or African American Alone	810	2.70
Non-Hispanic Two Or More Races	335	1.12
Hispanic or Latino of All Races	270	0.90
Non-Hispanic Asian Alone	125	0.42
Non-Hispanic American Indian and Alaska Native Alone	45	0.15
Non-Hispanic Native Hawaiian And Pacific Islander Alone	10	0.03