Mercer County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2016 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2016, the citizen voting-age population for Mercer County, IL was 12.44K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (12.08K) and constituted 97.07% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (180) and constituted 1.45% of the total. The Non-Hispanic Black or African American Alone ethnicity group had the third highest (80), constituting 0.64% 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 2016

Non-Hispanic White Alone

Hispanic or Latino of All Races

Non-Hispanic Black Alone

Non-Hispanic Two Or More Races

Non-Hispanic Asian Alone

Non-Hispanic American Indian & Alaska Native Alone

Mercer County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2016

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	12075	97.07
Hispanic or Latino of All Races	180	1.45
Non-Hispanic Black or African American Alone	80	0.64
Non-Hispanic Two Or More Races	60	0.48
Non-Hispanic Asian Alone	30	0.24
Non-Hispanic American Indian and Alaska Native Alone	10	0.08