Corson County's estimated 2025 population is 3,712 with a growth rate of -0.93% in the past year according to the most recent United States census data. Corson County is the 42nd largest county in South Dakota. The 2010 population was 4,064 and has seen a growth of -8.66% since that time.
Data after 2023 is projected based on recent change
The racial composition of Corson County includes 66.88% Native American, 30.11% White, and smaller percentages for Two or more races, other race, Black or African American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| Native American | 2,581 | 66.88% |
| White | 1,162 | 30.11% |
| Two or more races | 104 | 2.69% |
| Other race | 8 | 0.21% |
| Black or African American | 4 | 0.1% |
Married
Widowed
Divorced
Separated
Never Married
Corson County's average per capita income is $38,056. Household income levels show a median of $43,750. The poverty rate stands at 45.2%.
Name | Median | Mean |
|---|---|---|
| Married Families | $79,531 | - |
| Families | $48,750 | $69,302 |
| Households | $43,750 | $67,937 |
| Non Families | $37,045 | $61,110 |
Average Income
Median Household Income
Poverty Rate