Sanborn County, South Dakota

Sanborn County
Steam-powered automobile by E.S. Callihan in Woonsocket (1884)
Location within the U.S. state of South Dakota
South Dakota's location within the U.S.
Coordinates: 44°02′N 98°05′W / 44.03°N 98.09°W / 44.03; -98.09
Country United States
State South Dakota
Founded1883
Named afterGeorge W. Sanborn
SeatWoonsocket
Largest cityWoonsocket
Area
  Total
570 sq mi (1,500 km2)
  Land569 sq mi (1,470 km2)
  Water1.2 sq mi (3 km2)  0.2%
Population
 (2020)
  Total
2,330
  Estimate 
(2024)
2,392
  Density4.1/sq mi (1.6/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional districtAt-large

Sanborn County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 2,330. Its county seat and largest city is Woonsocket. The county was created by the Dakota Territorial legislature on May 1, 1883, with land partitioned from Miner County. It was fully organized by July 18, 1883.