Population By Race and Ethnicity in Union, OH in 2018

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2018, the 57,836 population of Union County, Ohio comprised of 1,051 people who identified as Hispanic (1.82%), and 56,785 people who identified as Non-Hispanic (98.18%).

Race: The White Alone population was the largest racial group in Union County, Ohio with a population of 52,510 (90.79%); Asian Alone population was the second largest racial group with a population of 2,700 (4.67%); and Black or African American Alone was the third largest racial group with a population of 1,497 (2.59%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Union County, Ohio in 2018, with a population of 51,632 (89.27%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 2,688 (4.65%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 1,440 (2.49%).

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.

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Hispanics and Non Hispanics in Union, OH in 2018
Total Population:
Race in Union, OH in 2018
Total Population:
Ethnicity in Union, OH in 2018
Total Population:
Population By Race in Union , OH in 2018
Race Population Percentage
Black or African American Alone 1,497 2.59%
White Alone 52,510 90.79%
American Indian and Alaska Native Alone 145 0.25%
Asian Alone 2,700 4.67%
Native Hawaiian And Pacific Islander Alone 23 0.04%
Two Or More Races 961 1.66%
Population By Ethnicity in Union , OH in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 57 0.1%
White Alone - Hispanic 878 1.52%
American Indian and Alaska Native Alone - Hispanic 29 0.05%
Asian Alone - Hispanic 12 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 3 0.01%
Two Or More Races - Hispanic 72 0.12%
Black or African American Alone - Non Hispanic 1,440 2.49%
White Alone - Non Hispanic 51,632 89.27%
American Indian and Alaska Native Alone - Non Hispanic 116 0.2%
Asian Alone - Non Hispanic 2,688 4.65%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 20 0.04%
Two Or More Races - Non Hispanic 889 1.54%