Codington County's 2026 population is estimated at 29,930, reflecting a 1.1% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Codington County is the 8th largest county in South Dakota. The 2010 population was 27,212 and has grown 9.99% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.4 years
Female: 42.1 years
Male: 39.1 years
There are 22,155 adults, (5,625 of whom are seniors) in Codington County.
Female: 14,117 (49.1%)
Male: 14,650 (50.9%)
The racial composition of Codington County includes 90.51% White, and smaller percentages for Native American, other race, Black or African American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 26,037 | 90.51% |
| Two or more races | 1,313 | 4.56% |
| Native American | 538 | 1.87% |
| Other race | 400 | 1.39% |
| Black or African American | 303 | 1.05% |
| Asian | 176 | 0.61% |
Codington County 's average per capita income is $47,498. Household income levels show a median of $72,727. The poverty rate stands at 8.83%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $99,548 | - |
| Families | $92,455 | $110,626 |
| Households | $72,727 | $90,805 |
| Non Families | $45,766 | $59,607 |
Average Income
Median Household Income
Poverty Rate