Population By Race and Ethnicity in Mercer County, IL in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 15,748 population of Mercer County, Illinois comprised of 341 people who identified as Hispanic (2.17%), and 15,407 people who identified as Non-Hispanic (97.84%).

Race: The White Alone population was the largest racial group in Mercer County, Illinois with a population of 15,414 (97.88%); Two Or More Races population was the second largest racial group with a population of 148 (0.94%); and Black or African American Alone was the third largest racial group with a population of 97 (0.62%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Mercer County, Illinois in 2015, with a population of 15,090 (95.82%); the second largest ethnic group was White Alone - Hispanic with a population of 324 (2.06%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 138 (0.88%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Mercer, Illinois.

You can find similar information for other Illinois counties, and for Illinois.

See this for other years:
Hispanics and Non Hispanics in Mercer County, IL in 2015
Total Population:
Race in Mercer County, IL in 2015
Total Population:
Ethnicity in Mercer County, IL in 2015
Total Population:
Population By Race in Mercer , IL in 2015
Race Population Percentage
Black or African American Alone 97 0.62%
White Alone 15,414 97.88%
American Indian and Alaska Native Alone 22 0.14%
Asian Alone 64 0.41%
Native Hawaiian And Pacific Islander Alone 3 0.02%
Two Or More Races 148 0.94%
Population By Ethnicity in Mercer , IL in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 3 0.02%
White Alone - Hispanic 324 2.06%
American Indian and Alaska Native Alone - Hispanic 2 0.01%
Asian Alone - Hispanic 1 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 1 0.01%
Two Or More Races - Hispanic 10 0.06%
Black or African American Alone - Non Hispanic 94 0.6%
White Alone - Non Hispanic 15,090 95.82%
American Indian and Alaska Native Alone - Non Hispanic 20 0.13%
Asian Alone - Non Hispanic 63 0.4%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 2 0.01%
Two Or More Races - Non Hispanic 138 0.88%