Corson County's estimated 2026 population is 3,785 with a growth rate of 0.11% 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 -6.87% since that time.
Data after 2023 is projected based on recent change
Overall: 29.9 years
Female: 29.6 years
Male: 30.2 years
There are 2,461 adults, (501 of whom are seniors) in Corson County.
Female: 1,916 (50.3%)
Male: 1,890 (49.7%)
The racial composition of Corson County includes 66.68% Native American, 29.9% White, and smaller percentages for other race and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| Native American | 2,538 | 66.68% |
| White | 1,138 | 29.9% |
| Two or more races | 116 | 3.05% |
| Other race | 14 | 0.37% |
Corson County's average per capita income is $40,543. Household income levels show a median of $46,406. The poverty rate stands at 44.25%.
Name | Median | Mean |
|---|---|---|
| Married Families | $79,453 | - |
| Families | $48,333 | $74,766 |
| Households | $46,406 | $73,764 |
| Non Families | $40,833 | $67,658 |
Average Income
Median Household Income
Poverty Rate