Population By Race and Ethnicity in Mercer County, IL in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 15,572 population of Mercer County, Illinois comprised of 390 people who identified as Hispanic (2.5%), and 15,182 people who identified as Non-Hispanic (97.5%).

Race: The White Alone population was the largest racial group in Mercer County, Illinois with a population of 15,150 (97.29%); Two Or More Races population was the second largest racial group with a population of 178 (1.14%); and Black or African American Alone was the third largest racial group with a population of 125 (0.8%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Mercer County, Illinois in 2018, with a population of 14,798 (95.03%); the second largest ethnic group was White Alone - Hispanic with a population of 352 (2.26%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 166 (1.07%).

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 2018
Total Population:
Race in Mercer County, IL in 2018
Total Population:
Ethnicity in Mercer County, IL in 2018
Total Population:
Population By Race in Mercer , IL in 2018
Race Population Percentage
Black or African American Alone 125 0.8%
White Alone 15,150 97.29%
American Indian and Alaska Native Alone 39 0.25%
Asian Alone 74 0.48%
Native Hawaiian And Pacific Islander Alone 6 0.04%
Two Or More Races 178 1.14%
Population By Ethnicity in Mercer , IL in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 9 0.06%
White Alone - Hispanic 352 2.26%
American Indian and Alaska Native Alone - Hispanic 14 0.09%
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 116 0.75%
White Alone - Non Hispanic 14,798 95.03%
American Indian and Alaska Native Alone - Non Hispanic 25 0.16%
Asian Alone - Non Hispanic 72 0.46%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 5 0.03%
Two Or More Races - Non Hispanic 166 1.07%