Population By Race and Ethnicity in Dewey County, SD in 2011

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2011, the 5,396 population of Dewey County, South Dakota comprised of 123 people who identified as Hispanic (2.28%), and 5,273 people who identified as Non-Hispanic (97.72%).

Race: The American Indian and Alaska Native Alone population was the largest racial group in Dewey County, South Dakota with a population of 4,051 (75.07%); White Alone population was the second largest racial group with a population of 1,140 (21.13%); and Two Or More Races was the third largest racial group with a population of 187 (3.47%).

Ethnicity: The American Indian and Alaska Native Alone - Non Hispanic population was the largest ethnic group in Dewey County, South Dakota in 2011, with a population of 3,962 (73.43%); the second largest ethnic group was White Alone - Non Hispanic with a population of 1,122 (20.79%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 172 (3.19%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Dewey, 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 Dewey County, SD in 2011
Total Population:
Race in Dewey County, SD in 2011
Total Population:
Ethnicity in Dewey County, SD in 2011
Total Population:
Population By Race in Dewey , SD in 2011
Race Population Percentage
Black or African American Alone 7 0.13%
White Alone 1,140 21.13%
American Indian and Alaska Native Alone 4,051 75.07%
Asian Alone 10 0.19%
Native Hawaiian And Pacific Islander Alone 1 0.02%
Two Or More Races 187 3.47%
Population By Ethnicity in Dewey , SD in 2011
Ethnicity Population Percentage
Black or African American Alone - Hispanic 0 0%
White Alone - Hispanic 18 0.33%
American Indian and Alaska Native Alone - Hispanic 89 1.65%
Asian Alone - Hispanic 1 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 0 0%
Two Or More Races - Hispanic 15 0.28%
Black or African American Alone - Non Hispanic 7 0.13%
White Alone - Non Hispanic 1,122 20.79%
American Indian and Alaska Native Alone - Non Hispanic 3,962 73.43%
Asian Alone - Non Hispanic 9 0.17%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 1 0.02%
Two Or More Races - Non Hispanic 172 3.19%