Population By Race and Ethnicity in Clay, SD in 2015

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2015, the 13,798 population of Clay County, South Dakota comprised of 386 people who identified as Hispanic (2.8%), and 13,412 people who identified as Non-Hispanic (97.2%).

Race: The White Alone population was the largest racial group in Clay County, South Dakota with a population of 12,522 (90.75%); American Indian and Alaska Native Alone population was the second largest racial group with a population of 434 (3.15%); and Asian Alone was the third largest racial group with a population of 340 (2.46%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Clay County, South Dakota in 2015, with a population of 12,232 (88.65%); the second largest ethnic group was American Indian and Alaska Native Alone - Non Hispanic with a population of 381 (2.76%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 336 (2.44%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Clay, 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 Clay, SD in 2015
Total Population:
Race in Clay, SD in 2015
Total Population:
Ethnicity in Clay, SD in 2015
Total Population:
Population By Race in Clay , SD in 2015
Race Population Percentage
Black or African American Alone 211 1.53%
White Alone 12,522 90.75%
American Indian and Alaska Native Alone 434 3.15%
Asian Alone 340 2.46%
Native Hawaiian And Pacific Islander Alone 10 0.07%
Two Or More Races 281 2.04%
Population By Ethnicity in Clay , SD in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 14 0.1%
White Alone - Hispanic 290 2.1%
American Indian and Alaska Native Alone - Hispanic 53 0.38%
Asian Alone - Hispanic 4 0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic 2 0.01%
Two Or More Races - Hispanic 23 0.17%
Black or African American Alone - Non Hispanic 197 1.43%
White Alone - Non Hispanic 12,232 88.65%
American Indian and Alaska Native Alone - Non Hispanic 381 2.76%
Asian Alone - Non Hispanic 336 2.44%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 8 0.06%
Two Or More Races - Non Hispanic 258 1.87%