Population By Race and Ethnicity in Union County, SD in 2021

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2021, the 16,876 population of Union County, South Dakota comprised of 737 people who identified as Hispanic (4.37%), and 16,139 people who identified as Non-Hispanic (95.63%).

Race: The White Alone population was the largest racial group in Union County, South Dakota with a population of 15,875 (94.07%); Two Or More Races population was the second largest racial group with a population of 296 (1.75%); and Asian Alone was the third largest racial group with a population of 260 (1.54%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Union County, South Dakota in 2021, with a population of 15,253 (90.38%); the second largest ethnic group was White Alone - Hispanic with a population of 622 (3.69%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 258 (1.53%).

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 2021
Total Population:
Race in Union County, SD in 2021
Total Population:
Ethnicity in Union County, SD in 2021
Total Population:
Population By Race in Union , SD in 2021
Race Population Percentage
Black or African American Alone 249 1.48%
White Alone 15,875 94.07%
American Indian and Alaska Native Alone 171 1.01%
Asian Alone 260 1.54%
Native Hawaiian And Pacific Islander Alone 25 0.15%
Two Or More Races 296 1.75%
Population By Ethnicity in Union , SD in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 19 0.11%
White Alone - Hispanic 622 3.69%
American Indian and Alaska Native Alone - Hispanic 51 0.3%
Asian Alone - Hispanic 2 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 2 0.01%
Two Or More Races - Hispanic 41 0.24%
Black or African American Alone - Non Hispanic 230 1.36%
White Alone - Non Hispanic 15,253 90.38%
American Indian and Alaska Native Alone - Non Hispanic 120 0.71%
Asian Alone - Non Hispanic 258 1.53%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 23 0.14%
Two Or More Races - Non Hispanic 255 1.51%