Custer, South Dakota Census 2020 Population By Race and Ethnicity

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 8.32K population of Custer, SD residents comprised of 211 residents who identified as Hispanic or Latino (2.54%), and 8.11K residents who identified as Non-Hispanic (97.46%).

Race: The White Alone population was the largest racial group in Custer, SD, with a population of 7.59K (91.19%). The Two Or More Races population was the second largest racial group in Custer, SD, with a population of 418 (5.03%). The American Indian and Alaska Native Alone population was the third largest racial group in Custer, SD, with a population of 175 (2.10%). The smallest racial group in Custer, SD was Native Hawaiian And Pacific Islander Alone with a population of 1 (0.01%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Custer, SD, with a population of 7.51K (90.24%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in Custer, SD, with a population of 341 (4.10%). The Non-Hispanic - American Indian & Alaska Native population was the third largest ethnic group in Custer, SD, with a population of 161 (1.94%). The smallest ethnic group in Custer, SD was Non-Hispanic - Native Hawaiian & Pac. Islander with a population of 0 (0.00%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in Custer, South Dakota from the 2020 decennial census.

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

Custer, SD Hispanics and Non Hispanics Population in Census 2020
Total Population:
Custer, SD Racial Groups in Census 2020
Total Population:
Custer, SD Ethnicity Groups in Census 2020
Total Population:
Custer, SD Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 32 0.39
White Alone 7585 91.19
American Indian and Alaska Native Alone 175 2.10
Asian Alone 25 0.30
Native Hawaiian And Pacific Islander Alone 1 0.01
Some Other Race Alone 82 0.99
Two Or More Races 418 5.03
Custer, SD Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 7506 90.24
Non-Hispanic - Two or More Races 341 4.10
Non-Hispanic - American Indian & Alaska Native 161 1.94
Hispanic - White Alone 79 0.95
Hispanic - Two or More Races 77 0.93
Non-Hispanic - Some Other Race Alone 42 0.51
Hispanic - Some Other Race Alone 40 0.48
Non-Hispanic - Black Alone 32 0.39
Non-Hispanic - Asian Alone 25 0.30
Hispanic - American Indian & Alaska Native 14 0.17
Hispanic - Native Hawaiian & Pac. Islander 1 0.01
Hispanic - Black Alone 0 0.00
Hispanic - Asian Alone 0 0.00
Non-Hispanic - Native Hawaiian & Pac. Islander 0 0.00