Madison 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 Madison County, IL was 204.75K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (182.30K) and constituted 89.03% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (15.04K) and constituted 7.35% of the total. The Hispanic or Latino of All Races ethnicity group had the third highest (4.07K), constituting 1.99% 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:

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

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

Non-Hispanic Native Hawaiian & Pac. Islander Alone

Madison 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	182295	89.03
Non-Hispanic Black or African American Alone	15040	7.35
Hispanic or Latino of All Races	4070	1.99
Non-Hispanic Two Or More Races	1970	0.96
Non-Hispanic Asian Alone	1010	0.49
Non-Hispanic American Indian and Alaska Native Alone	295	0.14
Non-Hispanic Native Hawaiian And Pacific Islander Alone	65	0.03