Deuel County, South Dakota Demographics 2026

Population Overview

Deuel County is located in South Dakota with a total population of 4,318. It is the 38th most populous county out of 66 in South Dakota. The county encompasses 8 Census-designated places.

Age Demographics

The median age in Deuel County is 42.0 years. This is 11% higher than the state median of 37.7 years.

Economy, Income & Housing

The median household income in Deuel County is $79,556. This is 10% higher than the state median of $72,421. Compared to the national median of $78,538, household income here is 1% higher. The poverty rate stands at 6.7%. This is 44% lower than the state poverty rate of 12.0%. The unemployment rate is 1.2%. This is 61% lower than the state rate of 3.0%. The median home value is $180,100. Housing costs are 24% lower than the state median of $236,800. With a home-value-to-income ratio of just 2.3x, Deuel County is one of the most affordable housing markets in the area. 80.6% of occupied housing units are owner-occupied. This homeownership rate is 17% higher than the state average of 68.6%.

Race & Ethnicity

Deuel County has a predominantly White (non-Hispanic) population, comprising 93.8% of all residents. Hispanic or Latino residents account for 3.2%. The Black or African American population (0.4%) is well below the state average of 2.2%. The Asian population (0.2%) is well below the state average of 1.4%.

Education

24.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 22% 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 93.6%.