Roberts County, South Dakota
Roberts County | |
|---|---|
Location within the U.S. state of South Dakota | |
South Dakota's location within the U.S. | |
| Coordinates: 45°37′24.229″N 96°56′51.183″W / 45.62339694°N 96.94755083°W | |
| Country | United States |
| State | South Dakota |
| Founded | March 8, 1883 (organized) August 6, 1883 (organized) |
| Named after | S. G. Roberts |
| Seat | Sisseton |
| Largest city | Sisseton |
| Area | |
• Total | 1,135.777 sq mi (2,941.65 km2) |
| • Land | 1,101.055 sq mi (2,851.72 km2) |
| • Water | 34.722 sq mi (89.93 km2) 3.1% |
| Population (2020) | |
• Total | 10,280 |
• Estimate (2024) | 10,283 |
| • Density | 9.271/sq mi (3.580/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | At-large |
| Website | robertscosd.gov |
Roberts County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 10,280. Its county seat is Sisseton. The county was named either for S. G. Roberts of Fargo, North Dakota, or for Solomon Robar, an early local French fur trader. It was created on March 8, 1883, and fully organized by August 6 of that year. Its boundary was altered once, in 1885.