Union, South Carolina Voting-age Population By Race and Ethnicity from Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 21.42K voting-age population of Union, SC residents comprised of 264 residents who identified as Hispanic or Latino (1.23%), and 21.16K residents who identified as Non-Hispanic (98.77%).

Race: The White Alone voting-age population was the largest racial group in Union, SC, with a voting-age population of 14.14K (65.99%). The Black or African American Alone voting-age population was the second largest racial group in Union, SC, with a voting-age population of 6.51K (30.41%). The Two Or More Races voting-age population was the third largest racial group in Union, SC, with a voting-age population of 563 (2.63%). The smallest racial group in Union, SC was Native Hawaiian And Pacific Islander Alone with a voting-age population of 5 (0.02%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Union, SC, with a voting-age population of 14.06K (65.64%). The Non-Hispanic - Black Alone voting-age population was the second largest ethnic group in Union, SC, with a voting-age population of 6.49K (30.28%). The Non-Hispanic - Two or More Races voting-age population was the third largest ethnic group in Union, SC, with a voting-age population of 488 (2.28%). The smallest ethnic group in Union, SC was Non-Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 0 (0.00%).

The charts and tables below shows the voting-age population and percentage of each racial group and ethnicity group in Union, South Carolina from the 2020 decennial census.

You can see similar information for other South Carolina counties and also for the state of South Carolina.

Union, SC Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Union, SC Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Union, SC Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Union, SC Voting-age Population of Racial Groups in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 6514 30.41
White Alone 14136 65.99
American Indian and Alaska Native Alone 50 0.23
Asian Alone 54 0.25
Native Hawaiian And Pacific Islander Alone 5 0.02
Some Other Race Alone 100 0.47
Two Or More Races 563 2.63
Union, SC Voting-age Population of Ethnicity Groups in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 14061 65.64
Non-Hispanic - Black Alone 6487 30.28
Non-Hispanic - Two or More Races 488 2.28
Hispanic - Some Other Race Alone 80 0.37
Hispanic - White Alone 75 0.35
Hispanic - Two or More Races 75 0.35
Non-Hispanic - Asian Alone 54 0.25
Non-Hispanic - American Indian & Alaska Native 48 0.22
Hispanic - Black Alone 27 0.13
Non-Hispanic - Some Other Race Alone 20 0.09
Hispanic - Native Hawaiian & Pac. Islander 5 0.02
Hispanic - American Indian & Alaska Native 2 0.01
Hispanic - Asian Alone 0 0.00
Non-Hispanic - Native Hawaiian & Pac. Islander 0 0.00