Mercer County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2019 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2019, the citizen voting-age population for Mercer County, IL was 12.20K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (11.79K) and constituted 96.60% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (230) and constituted 1.89% of the total. The Non-Hispanic Black or African American Alone ethnicity group had the third highest (85), constituting 0.70% 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 2019

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 2019

0 of 0

Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	11785	96.60
Hispanic or Latino of All Races	230	1.89
Non-Hispanic Black or African American Alone	85	0.70
Non-Hispanic Two Or More Races	59	0.48
Non-Hispanic Asian Alone	35	0.29
Non-Hispanic American Indian and Alaska Native Alone	10	0.08