Davison County, South Dakota Demographics 2026

Population Overview

Davison County is located in South Dakota with a total population of 19,952. It is the 10th most populous county out of 66 in South Dakota. The county encompasses 4 Census-designated places.

Age Demographics

The median age in Davison County is 39.6 years. This is 4% higher than the state median of 38.0 years.

Economy, Income & Housing

The median household income in Davison County is $66,208. This is 12% lower than the state median of $75,081. It is also 18% lower than the national median of $80,734. The poverty rate stands at 11.2%. This is 6% lower than the state poverty rate of 11.9%. The unemployment rate is 0.9%. This is 71% lower than the state rate of 2.9%. The median home value is $205,800. Housing costs are 20% lower than the state median of $257,400. The home-value-to-income ratio is 3.1x. 61.5% of occupied housing units are owner-occupied. This homeownership rate is 10% lower than the state average of 68.6%.

Race & Ethnicity

Davison County has a predominantly White (non-Hispanic) population, comprising 88.2% of all residents. Hispanic or Latino residents account for 5.1%. The Black or African American population (0.7%) is well below the state average of 2.1%. The Asian population (0.5%) is well below the state average of 1.4%.

Education

22.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 29% lower than the state rate of 31.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.5%.

Data Sources & Methodology

All figures for Davison County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against South Dakota and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.