Custer, South Dakota Voting-age Population By Ethnicity in Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, among Custer, SD population of 6,925 people, 92.01% of them (6,372 people) identified their ethnicity as Non-Hispanic - White Alone, 3.34% of them (231 people) identified their ethnicity as Non-Hispanic - Two Or More Races, and 1.76% of them (122 people) identified their ethnicity as Non-Hispanic - American Indian and Alaska Native Alone.

The first chart below shows the voting-age population by ethnicity and the second chart shows the percentage of the voting-age population for each ethnicity. You can also find the information in a table below.

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

Custer, SD Voting-age Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Two or More Races
Non-Hispanic - American Indian & Alaska Native
Hispanic - White Alone
Hispanic - Two or More Races
Non-Hispanic - Black Alone
Non-Hispanic - Some Other Race Alone
Percentage of Custer, SD Voting-age Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Two or More Races
Non-Hispanic - American Indian & Alaska Native
Hispanic - White Alone
Hispanic - Two or More Races
Non-Hispanic - Black Alone
Non-Hispanic - Some Other Race Alone
Custer, SD Voting-age Population By Ethnicity in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 6372 92.01
Non-Hispanic - Two Or More Races 231 3.34
Non-Hispanic - American Indian and Alaska Native Alone 122 1.76
Hispanic - White Alone 45 0.65
Hispanic - Two Or More Races 42 0.61
Non-Hispanic - Black or African American Alone 28 0.40
Non-Hispanic - Some Other Race Alone 27 0.39
Hispanic - Some Other Race Alone 26 0.38
Non-Hispanic - Asian Alone 25 0.36
Hispanic - American Indian and Alaska Native Alone 7 0.10
Hispanic - Black or African American Alone 0 0.00
Hispanic - Asian Alone 0 0.00
Non-Hispanic - Native Hawaiian And Pacific Islander Alone 0 0.00
Hispanic - Native Hawaiian And Pacific Islander Alone 0 0.00