Clay, 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 14.97K population of Clay, SD residents comprised of 458 residents who identified as Hispanic or Latino (3.06%), and 14.51K residents who identified as Non-Hispanic (96.94%).

Race: The White Alone population was the largest racial group in Clay, SD, with a population of 12.81K (85.58%). The Two Or More Races population was the second largest racial group in Clay, SD, with a population of 800 (5.35%). The American Indian and Alaska Native Alone population was the third largest racial group in Clay, SD, with a population of 600 (4.01%). The smallest racial group in Clay, SD was Native Hawaiian And Pacific Islander Alone with a population of 4 (0.03%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Clay, SD, with a population of 12.66K (84.55%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in Clay, SD, with a population of 664 (4.44%). The Non-Hispanic - American Indian & Alaska Native population was the third largest ethnic group in Clay, SD, with a population of 552 (3.69%). The smallest ethnic group in Clay, 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 Clay, 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.

Clay, SD Hispanics and Non Hispanics Population in Census 2020
Total Population:
Clay, SD Racial Groups in Census 2020
Total Population:
Clay, SD Ethnicity Groups in Census 2020
Total Population:
Clay, SD Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 235 1.57
White Alone 12809 85.58
American Indian and Alaska Native Alone 600 4.01
Asian Alone 361 2.41
Native Hawaiian And Pacific Islander Alone 4 0.03
Some Other Race Alone 158 1.06
Two Or More Races 800 5.35
Clay, SD Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 12655 84.55
Non-Hispanic - Two or More Races 664 4.44
Non-Hispanic - American Indian & Alaska Native 552 3.69
Non-Hispanic - Asian Alone 361 2.41
Non-Hispanic - Black Alone 235 1.57
Hispanic - White Alone 154 1.03
Hispanic - Two or More Races 136 0.91
Hispanic - Some Other Race Alone 120 0.80
Hispanic - American Indian & Alaska Native 48 0.32
Non-Hispanic - Some Other Race Alone 38 0.25
Non-Hispanic - Native Hawaiian & Pac. Islander 4 0.03
Hispanic - Black Alone 0 0.00
Hispanic - Asian Alone 0 0.00
Hispanic - Native Hawaiian & Pac. Islander 0 0.00