Sanborn County | |
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![]() 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 | |
Country | ![]() |
State | ![]() |
Founded | 1883 |
Named for | George W. Sanborn |
Seat | Woonsocket |
Largest city | Woonsocket |
Area | |
• Total | 570 sq mi (1,500 km2) |
• Land | 569 sq mi (1,470 km2) |
• Water | 1.2 sq mi (3 km2) 0.2% |
Population (2020) | |
• Total | 2,330 |
• Estimate (2023) | 2,399 ![]() |
• Density | 4.1/sq mi (1.6/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional district | At-large |
Sanborn County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 2,330.[1] Its county seat and largest city is Woonsocket.[2] 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.[3]