Roberts County, South Dakota
Located in South Dakota, Roberts County has a population of 10,221 residents and a median age of 38.5 years, making it the #2,466 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 15.7%. The median home value is $154,500, and the median household income is $65,130, which is 13% below the national median.
Demographics
Roberts County has a population of 10,221, making it the #2,466 most populous county in the US. The median age is 38.5 years, which is 1.0% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Roberts County is $65,130, ranking #1,622 out of 3,222 counties — 13.3% below the national median. The poverty rate is 15.7% and unemployment stands at 6.0%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Roberts County is $154,500 (-45.2% vs national). Renters pay a median of $658/mo and the homeownership rate is 71.2%.
Median Home Value Trend
Rankings →Household Type
Education
In Roberts County, 18.6% of adults age 25+ hold a bachelor's degree or higher, which is 44.9% below the national average, ranking #2,248 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Roberts County is 72.2 years. 19.7% of adults report poor or fair health and 14.8% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
21.8% of adults in Roberts County smoke , 42.8% are obese , and 21.5% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 26.2 per 100,000. Motor vehicle deaths occur at a rate of 33.3 per 100,000.
Suicide Rate Trend
Families & Children
19.9% of children in Roberts County live in poverty . The teen birth rate is 36.0 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Roberts County is 57.6%. The mean commute time is 18.3 min, which is 33.6% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Roberts County voted Republican with a margin of 23.0%. The vote was 37.6% Dem / 60.6% Rep. Compared to 2020, the margin shifted 9.6 toward Republicans .
Vote Share Over Time
About Roberts County, South Dakota
Roberts County, South Dakota has a total population of 10,221, making it the 2,466th most populous county in the United States. The median age in Roberts County is 38.5 years, which is 1.0% below the national median of 38.9 years.
The median household income in Roberts County is $65,130, which ranks #1,622 of 3,222 counties nationwide. This is 13.3% below the national median of $75,149. The poverty rate is 15.7%, higher than the national rate of 12.6%. The unemployment rate stands at 6.0%.
The median home value in Roberts County is $154,500, 45.2% below the national median. Renters in Roberts County pay a median gross rent of $658 per month. The homeownership rate is 71.2%, compared to the national rate of 64.4%.
In Roberts County, 18.6% of residents aged 25 and older hold a bachelor's degree or higher, 44.9% below the national average of 33.7%. Health insurance coverage stands at 81.8% of the population. The average commute time for workers is 18.3 min.
Roberts County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 56.5% of the population, followed by American Indian (non-Hispanic) (34.5%) and Two or More Races (5.2%).
All data for Roberts County, South Dakota comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.