Davison County, South Dakota

Davison County, South Dakota
Davison County Courthouse in Mitchell
Location within the U.S. state of South Dakota
Coordinates: 43°41′N 98°10′W / 43.68°N 98.16°W / 43.68; -98.16
Country United States
State South Dakota
Founded1873 (created)
1874 (organized)
SeatMitchell
Largest cityMitchell
Area
 • Total
437 sq mi (1,130 km2)
 • Land436 sq mi (1,130 km2)
 • Water1.4 sq mi (3.6 km2)  0.3%
Population
 (2020)
 • Total
19,956
 • Estimate 
(2024)
19,907
 • Density45.8/sq mi (17.7/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional districtAt-large
Websitewww.davisoncounty.org

Davison County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 19,956, making it the 10th most populous county in South Dakota. Its county seat is Mitchell. The county was created in 1873 and organized in 1874. It was named for Henry C. Davison, the first settler in the county.

Davison County is part of the Mitchell, SD Micropolitan Statistical Area.