In 2021, Corson County, SD had a population of 3.97k people with a median age of 27.8 and a median household income of $38,281. Between 2020 and 2021 the population of Corson County, SD declined from 4,106 to 3,965, a −3.43% decrease and its median household income grew from $36,705 to $38,281, a 4.29% increase.
The 5 largest ethnic groups in Corson County, SD are American Indian & Alaska Native (Non-Hispanic) (70.8%), White (Non-Hispanic) (27%), Two+ (Non-Hispanic) (1.66%), American Indian & Alaska Native (Hispanic) (0.202%), and White (Hispanic) (0.126%).
None of the households in Corson County, SD reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.9% of the residents in Corson County, SD are U.S. citizens.
In 2021, the median property value in Corson County, SD was $57,700, and the homeownership rate was 53.2%.
Most people in Corson County, SD drove alone to work, and the average commute time was 22.1 minutes. The average car ownership in Corson County, SD was 2 cars per household.
Corson County, SD borders Adams County, ND, Emmons County, ND, Sioux County, ND, Campbell County, SD, Dewey County, SD, Perkins County, SD, Walworth County, SD, and Ziebach County, SD.