Population By Race and Ethnicity in Union, OH in 2021

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2021, the 65,106 population of Union County, Ohio comprised of 1,839 people who identified as Hispanic (2.83%), and 63,267 people who identified as Non-Hispanic (97.18%).

Race: The White Alone population was the largest racial group in Union County, Ohio with a population of 58,273 (89.51%); Asian Alone population was the second largest racial group with a population of 3,648 (5.6%); and Black or African American Alone was the third largest racial group with a population of 1,870 (2.87%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Union County, Ohio in 2021, with a population of 56,641 (87%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 3,637 (5.59%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 1,794 (2.76%).

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

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

See this for other years:
Hispanics and Non Hispanics in Union, OH in 2021
Total Population:
Race in Union, OH in 2021
Total Population:
Ethnicity in Union, OH in 2021
Total Population:
Population By Race in Union , OH in 2021
Race Population Percentage
Black or African American Alone 1,870 2.87%
White Alone 58,273 89.51%
American Indian and Alaska Native Alone 145 0.22%
Asian Alone 3,648 5.6%
Native Hawaiian And Pacific Islander Alone 16 0.03%
Two Or More Races 1,154 1.77%
Population By Ethnicity in Union , OH in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 76 0.12%
White Alone - Hispanic 1,632 2.51%
American Indian and Alaska Native Alone - Hispanic 28 0.04%
Asian Alone - Hispanic 11 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 3 0.01%
Two Or More Races - Hispanic 89 0.14%
Black or African American Alone - Non Hispanic 1,794 2.76%
White Alone - Non Hispanic 56,641 87%
American Indian and Alaska Native Alone - Non Hispanic 117 0.18%
Asian Alone - Non Hispanic 3,637 5.59%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 13 0.02%
Two Or More Races - Non Hispanic 1,065 1.64%