Population By Race and Ethnicity in Union County, SD in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the 16,860 population of Union County, South Dakota comprised of 678 people who identified as Hispanic (4.02%), and 16,182 people who identified as Non-Hispanic (95.98%).

Race: The White Alone population was the largest racial group in Union County, South Dakota with a population of 15,894 (94.27%); Two Or More Races population was the second largest racial group with a population of 281 (1.67%); and Black or African American Alone was the third largest racial group with a population of 257 (1.52%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Union County, South Dakota in 2020, with a population of 15,334 (90.95%); the second largest ethnic group was White Alone - Hispanic with a population of 560 (3.32%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 251 (1.49%).

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

You can find similar information for other South Dakota counties, and for South Dakota.

See this for other years:
Hispanics and Non Hispanics in Union County, SD in 2020
Total Population:
Race in Union County, SD in 2020
Total Population:
Ethnicity in Union County, SD in 2020
Total Population:
Population By Race in Union , SD in 2020
Race Population Percentage
Black or African American Alone 257 1.52%
White Alone 15,894 94.27%
American Indian and Alaska Native Alone 153 0.91%
Asian Alone 253 1.5%
Native Hawaiian And Pacific Islander Alone 22 0.13%
Two Or More Races 281 1.67%
Population By Ethnicity in Union , SD in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 24 0.14%
White Alone - Hispanic 560 3.32%
American Indian and Alaska Native Alone - Hispanic 51 0.3%
Asian Alone - Hispanic 2 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 4 0.02%
Two Or More Races - Hispanic 37 0.22%
Black or African American Alone - Non Hispanic 233 1.38%
White Alone - Non Hispanic 15,334 90.95%
American Indian and Alaska Native Alone - Non Hispanic 102 0.61%
Asian Alone - Non Hispanic 251 1.49%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 18 0.11%
Two Or More Races - Non Hispanic 244 1.45%