Mellette, 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 1.92K population of Mellette, SD residents comprised of 39 residents who identified as Hispanic or Latino (2.03%), and 1.88K residents who identified as Non-Hispanic (97.97%).

Race: The American Indian and Alaska Native Alone population was the largest racial group in Mellette, SD, with a population of 1.11K (57.98%). The White Alone population was the second largest racial group in Mellette, SD, with a population of 655 (34.15%). The Two Or More Races population was the third largest racial group in Mellette, SD, with a population of 137 (7.14%). The smallest racial group in Mellette, SD was Native Hawaiian And Pacific Islander Alone with a population of 0 (0.00%).

Ethnicity: The Non-Hispanic - American Indian & Alaska Native population was the largest ethnic group in Mellette, SD, with a population of 1.10K (57.40%). The Non-Hispanic - White Alone population was the second largest ethnic group in Mellette, SD, with a population of 651 (33.94%). The Non-Hispanic - Two or More Races population was the third largest ethnic group in Mellette, SD, with a population of 116 (6.05%). The smallest ethnic group in Mellette, SD was 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 Mellette, 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.

Mellette, SD Hispanics and Non Hispanics Population in Census 2020
Total Population:
Mellette, SD Racial Groups in Census 2020
Total Population:
Mellette, SD Ethnicity Groups in Census 2020
Total Population:
Mellette, SD Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 1 0.05
White Alone 655 34.15
American Indian and Alaska Native Alone 1112 57.98
Asian Alone 3 0.16
Native Hawaiian And Pacific Islander Alone 0 0.00
Some Other Race Alone 10 0.52
Two Or More Races 137 7.14
Mellette, SD Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - American Indian & Alaska Native 1101 57.40
Non-Hispanic - White Alone 651 33.94
Non-Hispanic - Two or More Races 116 6.05
Hispanic - Two or More Races 21 1.10
Hispanic - American Indian & Alaska Native 11 0.57
Non-Hispanic - Some Other Race Alone 7 0.37
Hispanic - White Alone 4 0.21
Non-Hispanic - Asian Alone 3 0.16
Hispanic - Some Other Race Alone 3 0.16
Non-Hispanic - Black Alone 1 0.05
Hispanic - Black Alone 0 0.00
Hispanic - Asian Alone 0 0.00
Non-Hispanic - Native Hawaiian & Pac. Islander 0 0.00
Hispanic - Native Hawaiian & Pac. Islander 0 0.00