Davison County's 2026 population is estimated at 19,775, reflecting a -0.33% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Davison County is the 10th largest county in South Dakota. The 2010 population was 19,484 and has grown 1.49% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.6 years
Female: 41.2 years
Male: 39 years
There are 15,244 adults, (4,156 of whom are seniors) in Davison County.
Female: 10,101 (50.6%)
Male: 9,851 (49.4%)
The racial composition of Davison County includes 89.8% White, 4.13% Native American, and smaller percentages for other race, Black or African American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 17,917 | 89.8% |
| Native American | 824 | 4.13% |
| Two or more races | 692 | 3.47% |
| Other race | 287 | 1.44% |
| Black or African American | 133 | 0.67% |
| Asian | 99 | 0.5% |
Davison County 's average per capita income is $44,745. Household income levels show a median of $66,208. The poverty rate stands at 11.17%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $96,342 | - |
| Families | $90,867 | $110,860 |
| Households | $66,208 | $85,188 |
| Non Families | $36,090 | $48,179 |
Average Income
Median Household Income
Poverty Rate