Perkins County, South Dakota

Perkins County
Location within the U.S. state of South Dakota
South Dakota's location within the U.S.
Coordinates: 45°30′N 102°29′W / 45.5°N 102.48°W / 45.5; -102.48
Country United States
State South Dakota
FoundedNovember 3, 1908 (established)
1909 (organized)
Named afterHenry E. Perkins
SeatBison
Largest cityLemmon
Area
  Total
2,891 sq mi (7,490 km2)
  Land2,870 sq mi (7,400 km2)
  Water20 sq mi (50 km2)  0.7%
Population
 (2020)
  Total
2,835
  Estimate 
(2024)
2,832
  Density0.98/sq mi (0.38/km2)
Time zoneUTC−7 (Mountain)
  Summer (DST)UTC−6 (MDT)
Congressional districtAt-large
Websitewww.perkinscounty.org

Perkins County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 2,835. Its county seat is Bison. The county was established in 1908 and organized in 1909. It was named for Sturgis, South Dakota, official Henry E. Perkins.