Population By Race and Ethnicity in Mercer County, IL in 2019

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2019, the 15,490 population of Mercer County, Illinois comprised of 404 people who identified as Hispanic (2.61%), and 15,086 people who identified as Non-Hispanic (97.39%).

Race: The White Alone population was the largest racial group in Mercer County, Illinois with a population of 15,074 (97.31%); Two Or More Races population was the second largest racial group with a population of 186 (1.2%); and Black or African American Alone was the third largest racial group with a population of 106 (0.68%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Mercer County, Illinois in 2019, with a population of 14,702 (94.91%); the second largest ethnic group was White Alone - Hispanic with a population of 372 (2.4%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 174 (1.12%).

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 2019
Total Population:
Race in Mercer County, IL in 2019
Total Population:
Ethnicity in Mercer County, IL in 2019
Total Population:
Population By Race in Mercer , IL in 2019
Race Population Percentage
Black or African American Alone 106 0.68%
White Alone 15,074 97.31%
American Indian and Alaska Native Alone 40 0.26%
Asian Alone 78 0.5%
Native Hawaiian And Pacific Islander Alone 6 0.04%
Two Or More Races 186 1.2%
Population By Ethnicity in Mercer , IL in 2019
Ethnicity Population Percentage
Black or African American Alone - Hispanic 4 0.03%
White Alone - Hispanic 372 2.4%
American Indian and Alaska Native Alone - Hispanic 13 0.08%
Asian Alone - Hispanic 2 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 1 0.01%
Two Or More Races - Hispanic 12 0.08%
Black or African American Alone - Non Hispanic 102 0.66%
White Alone - Non Hispanic 14,702 94.91%
American Indian and Alaska Native Alone - Non Hispanic 27 0.17%
Asian Alone - Non Hispanic 76 0.49%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 5 0.03%
Two Or More Races - Non Hispanic 174 1.12%