Population By Race and Ethnicity in Union County, SD in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 15,616 population of Union County, South Dakota comprised of 524 people who identified as Hispanic (3.36%), and 15,092 people who identified as Non-Hispanic (96.64%).

Race: The White Alone population was the largest racial group in Union County, South Dakota with a population of 14,760 (94.52%); Asian Alone population was the second largest racial group with a population of 270 (1.73%); and Two Or More Races was the third largest racial group with a population of 246 (1.58%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Union County, South Dakota in 2018, with a population of 14,322 (91.71%); the second largest ethnic group was White Alone - Hispanic with a population of 438 (2.81%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 268 (1.72%).

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 2018
Total Population:
Race in Union County, SD in 2018
Total Population:
Ethnicity in Union County, SD in 2018
Total Population:
Population By Race in Union , SD in 2018
Race Population Percentage
Black or African American Alone 197 1.26%
White Alone 14,760 94.52%
American Indian and Alaska Native Alone 137 0.88%
Asian Alone 270 1.73%
Native Hawaiian And Pacific Islander Alone 6 0.04%
Two Or More Races 246 1.58%
Population By Ethnicity in Union , SD in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 24 0.15%
White Alone - Hispanic 438 2.81%
American Indian and Alaska Native Alone - Hispanic 34 0.22%
Asian Alone - Hispanic 2 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 0 0%
Two Or More Races - Hispanic 26 0.17%
Black or African American Alone - Non Hispanic 173 1.11%
White Alone - Non Hispanic 14,322 91.71%
American Indian and Alaska Native Alone - Non Hispanic 103 0.66%
Asian Alone - Non Hispanic 268 1.72%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 6 0.04%
Two Or More Races - Non Hispanic 220 1.41%