Roberts County's estimated 2026 population is 10,232 with a growth rate of -0.22% in the past year according to the most recent United States census data. Roberts County is the 18th largest county in South Dakota. The 2010 population was 10,189 and has seen a growth of 0.42% since that time.
Data after 2023 is projected based on recent change
Overall: 38.5 years
Female: 38.9 years
Male: 38.2 years
There are 7,334 adults, (2,137 of whom are seniors) in Roberts County.
Female: 5,003 (48.9%)
Male: 5,218 (51.1%)
The racial composition of Roberts County includes 57.04% White, 34.67% Native American, and smaller percentages for Asian, other race, Black or African American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 5,830 | 57.04% |
| Native American | 3,544 | 34.67% |
| Two or more races | 669 | 6.55% |
| Asian | 83 | 0.81% |
| Other race | 62 | 0.61% |
| Black or African American | 33 | 0.32% |
Roberts County's average per capita income is $42,226. Household income levels show a median of $65,130. The poverty rate stands at 15.72%.
Name | Median | Mean |
|---|---|---|
| Married Families | $93,826 | - |
| Families | $80,085 | $94,515 |
| Households | $65,130 | $83,087 |
| Non Families | $42,264 | $58,897 |
Average Income
Median Household Income
Poverty Rate