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

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2020, the 16,853 population of Union County, South Dakota comprised of 690 people who identified as Hispanic (4.09%), and 16,163 people who identified as Non-Hispanic (95.91%).

Race: The White Alone population was the largest racial group in Union County, South Dakota with a population of 15,875 (94.2%); Two Or More Races population was the second largest racial group with a population of 306 (1.82%); and Black or African American Alone was the third largest racial group with a population of 257 (1.53%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Union County, South Dakota in 2020, with a population of 15,295 (90.76%); the second largest ethnic group was White Alone - Hispanic with a population of 580 (3.44%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 262 (1.56%).

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 1.53%
White Alone 15,875 94.2%
American Indian and Alaska Native Alone 138 0.82%
Asian Alone 254 1.51%
Native Hawaiian And Pacific Islander Alone 23 0.14%
Two Or More Races 306 1.82%
Population By Ethnicity in Union , SD in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 23 0.14%
White Alone - Hispanic 580 3.44%
American Indian and Alaska Native Alone - Hispanic 37 0.22%
Asian Alone - Hispanic 2 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 4 0.02%
Two Or More Races - Hispanic 44 0.26%
Black or African American Alone - Non Hispanic 234 1.39%
White Alone - Non Hispanic 15,295 90.76%
American Indian and Alaska Native Alone - Non Hispanic 101 0.6%
Asian Alone - Non Hispanic 252 1.5%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 19 0.11%
Two Or More Races - Non Hispanic 262 1.56%