Roberts County's estimated 2026 population is 10,405 with a growth rate of 0.59% 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 2.12% since that time.
Data after 2023 is projected based on recent change
The racial composition of Roberts County includes 57.91% White, 36.45% Native American, and smaller percentages for other race, Black or African American, Asian and multiracial populations.
White (57.91%)
Native American (36.45%)
Two or more races (4.18%)
Other race (0.94%)
Black or African American (0.33%)
Asian (0.19%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 5,918 | 57.91% |
| Native American | 3,725 | 36.45% |
| Two or more races | 427 | 4.18% |
| Other race | 96 | 0.94% |
| Black or African American | 34 | 0.33% |
| Asian | 19 | 0.19% |
Married
Widowed
Divorced
Separated
Never Married
Roberts County's average per capita income is $42,105. Household income levels show a median of $63,691. The poverty rate stands at 17.33%.
Name | Median | Mean |
|---|---|---|
| Married Families | $94,282 | - |
| Families | $79,271 | $90,149 |
| Households | $63,691 | $79,910 |
| Non Families | $43,006 | $58,301 |
Average Income
Median Household Income
Poverty Rate