In 2019, Davison County, SD had a population of 19.9k people with a median age of 38.6 and a median household income of $50,570. Between 2018 and 2019 the population of Davison County, SD declined from 19,901 to 19,871, a −0.151% decrease and its median household income grew from $47,772 to $50,570, a 5.86% increase.
The 5 largest ethnic groups in Davison County, SD are White (Non-Hispanic) (90.6%), White (Hispanic) (2.01%), Two+ (Non-Hispanic) (2.01%), American Indian & Alaska Native (Non-Hispanic) (1.95%), and Black or African American (Non-Hispanic) (1.37%). 0% of the households in Davison County, SD speak a non-English language at home as their primary language.
98.9% of the residents in Davison County, SD are U.S. citizens.
In 2019, the median property value in Davison County, SD was $154,700, and the homeownership rate was 59.7%. Most people in Davison County, SD drove alone to work, and the average commute time was 11.7 minutes. The average car ownership in Davison County, SD was 2 cars per household.