In 2018, Corson County, SD had a population of 4.17k people with a median age of 28.7 and a median household income of $35,441. Between 2017 and 2018 the population of Corson County, SD declined from 4,177 to 4,168, a -0.215% decrease and its median household income grew from $32,260 to $35,441, a 9.86% increase.
The 5 largest ethnic groups in Corson County, SD are American Indian & Alaska Native (Non-Hispanic) (68.3%), White (Non-Hispanic) (29.1%), Two+ (Non-Hispanic) (1.8%), Black or African American (Non-Hispanic) (0.456%), and American Indian & Alaska Native (Hispanic) (0.312%). 0% of the households in Corson County, SD speak a non-English language at home as their primary language, and 99.9% of the residents in Corson County, SD are U.S. citizens.
In 2018, the median property value in Corson County, SD was $57,500, and the homeownership rate was 52.5%. Most people in Corson County, SD drove alone to work, and the average commute time was 15.5 minutes. The average car ownership in Corson County, SD was 2 cars per household.