Roberts County, South Dakota Demographics 2026

Population Overview

Roberts County is located in South Dakota with a total population of 10,219. It is the 18th most populous county out of 66 in South Dakota. The county encompasses 10 Census-designated places.

Age Demographics

The median age in Roberts County is 37.9 years. This is about average than the state median of 37.7 years.

Economy, Income & Housing

The median household income in Roberts County is $63,691. This is 12% lower than the state median of $72,421. Compared to the national median of $78,538, household income here is 19% lower. The poverty rate stands at 17.3%. This is 44% higher than the state poverty rate of 12.0%. The unemployment rate is 6.2%. This is 107% higher than the state rate of 3.0%. The median home value is $139,100. Housing costs are 41% lower than the state median of $236,800. With a home-value-to-income ratio of just 2.2x, Roberts County is one of the most affordable housing markets in the area. 69.4% of occupied housing units are owner-occupied. This homeownership rate is 1% higher than the state average of 68.6%.

Race & Ethnicity

The largest racial or ethnic group in Roberts County is White (non-Hispanic), making up 56.9% of the population. Hispanic or Latino residents account for 2.4%. The Black or African American population (0.3%) is well below the state average of 2.2%. The Asian population (0.2%) is well below the state average of 1.4%.

Education

18.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 41% lower than the state rate of 31.1%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.7%.