Codington County, South Dakota Demographics 2026

Population Overview

Codington County is located in South Dakota with a total population of 28,556. It is the 7th most populous county out of 66 in South Dakota. The county encompasses 6 Census-designated places.

Age Demographics

The median age in Codington County is 39.9 years. This is 6% higher than the state median of 37.7 years.

Economy, Income & Housing

The median household income in Codington County is $65,080. This is 10% lower than the state median of $72,421. Compared to the national median of $78,538, household income here is 17% lower. The poverty rate stands at 10.2%. This is 15% lower than the state poverty rate of 12.0%. The unemployment rate is 2.0%. This is 34% lower than the state rate of 3.0%. The median home value is $218,000. Housing costs are 8% lower than the state median of $236,800. The home-value-to-income ratio is 3.3x. 67.4% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 68.6%.

Race & Ethnicity

Codington County has a predominantly White (non-Hispanic) population, comprising 90.9% of all residents. Hispanic or Latino residents account for 3.0%. The Black or African American population (0.7%) is well below the state average of 2.2%. The Asian population (0.6%) is well below the state average of 1.4%.

Education

20.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 33% 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 92.3%.