Population By Race and Ethnicity in Mercer, OH in 2018

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2018, the 40,986 population of Mercer County, Ohio comprised of 791 people who identified as Hispanic (1.93%), and 40,195 people who identified as Non-Hispanic (98.07%).

Race: The White Alone population was the largest racial group in Mercer County, Ohio with a population of 39,644 (96.73%); Two Or More Races population was the second largest racial group with a population of 475 (1.16%); and Native Hawaiian And Pacific Islander Alone was the third largest racial group with a population of 315 (0.77%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Mercer County, Ohio in 2018, with a population of 38,983 (95.11%); the second largest ethnic group was White Alone - Hispanic with a population of 661 (1.61%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 418 (1.02%).

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

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

See this for other years:
Hispanics and Non Hispanics in Mercer, OH in 2018
Total Population:
Race in Mercer, OH in 2018
Total Population:
Ethnicity in Mercer, OH in 2018
Total Population:
Population By Race in Mercer , OH in 2018
Race Population Percentage
Black or African American Alone 203 0.5%
White Alone 39,644 96.73%
American Indian and Alaska Native Alone 132 0.32%
Asian Alone 217 0.53%
Native Hawaiian And Pacific Islander Alone 315 0.77%
Two Or More Races 475 1.16%
Population By Ethnicity in Mercer , OH in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 29 0.07%
White Alone - Hispanic 661 1.61%
American Indian and Alaska Native Alone - Hispanic 34 0.08%
Asian Alone - Hispanic 5 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 5 0.01%
Two Or More Races - Hispanic 57 0.14%
Black or African American Alone - Non Hispanic 174 0.43%
White Alone - Non Hispanic 38,983 95.11%
American Indian and Alaska Native Alone - Non Hispanic 98 0.24%
Asian Alone - Non Hispanic 212 0.52%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 310 0.76%
Two Or More Races - Non Hispanic 418 1.02%