Mercer 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 Mercer County, IL was 12.71K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (12.43K) and constituted 97.80% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (135) and constituted 1.06% of the total. The Non-Hispanic Two Or More Races ethnicity group had the third highest (45), constituting 0.35% 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:

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

Non-Hispanic White Alone

Hispanic or Latino of All Races

Non-Hispanic Two Or More Races

Non-Hispanic Black Alone

Non-Hispanic American Indian & Alaska Native Alone

Non-Hispanic Asian Alone

Non-Hispanic Native Hawaiian & Pac. Islander Alone

Mercer 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	12425	97.80
Hispanic or Latino of All Races	135	1.06
Non-Hispanic Two Or More Races	45	0.35
Non-Hispanic Black or African American Alone	30	0.24
Non-Hispanic American Indian and Alaska Native Alone	30	0.24
Non-Hispanic Asian Alone	25	0.20
Non-Hispanic Native Hawaiian And Pacific Islander Alone	15	0.12