Gregory County, South Dakota

Gregory County
Location within the U.S. state of South Dakota
South Dakota's location within the U.S.
Coordinates: 43°12′N 99°11′W / 43.2°N 99.18°W / 43.2; -99.18
Country United States
State South Dakota
Founded1862 (created)
1898 (organized)
Named afterJ. Shaw Gregory
SeatBurke
Largest cityGregory
Area
  Total
1,054 sq mi (2,730 km2)
  Land1,015 sq mi (2,630 km2)
  Water39 sq mi (100 km2)  3.7%
Population
 (2020)
  Total
3,994
  Estimate 
(2024)
4,110
  Density3.8/sq mi (1.5/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional districtAt-large
Websitegregory.sdcounties.org

Gregory County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 3,994. Its county seat is Burke. The county was created in 1862 and organized in 1898. It was named for the politician J. Shaw Gregory.