Race, Diversity, and Ethnicity in Dewey County, SD

The map below shows majority race by area in Dewey County, as self-identified on the US census. Darker shades indicate a larger racial majority in that neighborhood. This page also contains data and maps on Dewey County racial diversity and diversity scores. Click here to scroll to diversity data.

Dewey County, SD map of race and ethnicity
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White
Hispanic
Black
Asian
Multiple/Other
WhiteHispanicBlackAsianMultiple/Other
Majority race by area

The majority race in Dewey County overall is native american, making up 74.9% of residents. The next most-common racial group is white at 20.1%. There are more native american people in the south areas of the county. People who identify as white are most likely to be living in the north places. The data below shows how many people identify themselves as each of the following races, which most Americans base on their family's national origin:

Race in Dewey County

 
Self-Identified Race
Dewey County, SD Population
White
20.1%
Hispanic
1.0%
Black
0.5%
Asian
0.1%
Native American
74.9%
Other
3.4%
   

Diversity and Diversity Scores for Dewey County, SD

The map below shows diversity in Dewey County. Areas in green are more diverse, while areas in red are much less diverse. Diversity, in this case, means a mixture of people with different race and ethnicity living close to one another. For example, all-black and all-white areas in the county would both be considered lacking diversity.

Dewey County, SD map of race and ethnicity
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Dewey County Diversity Score

39.8

More diverse than 60% of US counties

Dewey County has a diversity score of 39.8: the chance, in percent, that two residents picked at random belong to different racial or ethnic groups, from ACS race counts. A place where everyone shares one group scores 0, and an even mix of the six groups in the chart above scores the maximum, 83.3. Dewey County is about average for diversity versus other US counties, more diverse than 60% of them. Within Dewey County's proper boundaries, the most diverse area is central Dewey County, and the least diverse areas are in south Dewey County.

Source: BestNeighborhood calculations from the U.S. Census Bureau, American Community Survey (ACS) 2020-2024 5-year estimates (race and Hispanic origin); proprietary data mapping and analysis. Special thanks to the University of Virginia.

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