Charles Mix County's 2026 population is estimated at 9,487, reflecting a 0.76% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Charles Mix County is the 20th largest county in South Dakota. The 2010 population was 9,153 and has grown 3.65% since 2010.
Data after 2023 is projected based on recent change
Overall: 36 years
Female: 36.6 years
Male: 35.4 years
There are 6,430 adults, (1,759 of whom are seniors) in Charles Mix County.
Female: 4,582 (49.4%)
Male: 4,699 (50.6%)
The racial composition of Charles Mix County includes 63.87% White, 28.28% Native American, and smaller percentages for Asian, other race, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 5,928 | 63.87% |
| Native American | 2,625 | 28.28% |
| Two or more races | 622 | 6.7% |
| Asian | 54 | 0.58% |
| Other race | 38 | 0.41% |
| Black or African American | 14 | 0.15% |
Charles Mix County 's average per capita income is $42,880. Household income levels show a median of $64,038. The poverty rate stands at 24.04%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $93,056 | - |
| Families | $79,623 | $100,305 |
| Households | $64,038 | $84,687 |
| Non Families | $38,750 | $50,463 |
Average Income
Median Household Income
Poverty Rate