Marion County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2017 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2017, the citizen voting-age population for Marion County, IL was 29.33K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (27.43K) and constituted 93.52% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (1.03K) and constituted 3.53% of the total. The Hispanic or Latino of All Races ethnicity group had the third highest (335), constituting 1.14% 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 2017

Non-Hispanic White Alone

Non-Hispanic Black Alone

Hispanic or Latino of All Races

Non-Hispanic Two Or More Races

Non-Hispanic Asian Alone

Non-Hispanic American Indian & Alaska Native Alone

Marion County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2017

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	27430	93.52
Non-Hispanic Black or African American Alone	1035	3.53
Hispanic or Latino of All Races	335	1.14
Non-Hispanic Two Or More Races	265	0.90
Non-Hispanic Asian Alone	200	0.68
Non-Hispanic American Indian and Alaska Native Alone	70	0.24