Roberts County, South Dakota

Roberts County
County
Roberts County Courthouse
Location within the U.S. state of South Dakota
South Dakota's location within the U.S.
Coordinates: 45°37′N 96°57′W / 45.62°N 96.95°W / 45.62; -96.95
Country	United States
State	South Dakota
Founded	March 8, 1883 (organized)[1] August 6, 1883 (organized)
Named for	S. G. Roberts
Seat	Sisseton
Largest city	Sisseton
Area
• Total	1,136 sq mi (2,940 km2)
• Land	1,101 sq mi (2,850 km2)
• Water	35 sq mi (90 km2)  3.1%
Population  (2020)
• Total	10,280
• Estimate  (2023)	10,206
• Density	9.0/sq mi (3.5/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	At-large
Website	roberts.sdcounties.org

Roberts County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 10,280.^[2] Its county seat is Sisseton.^[3] The county was named either for S. G. Roberts of Fargo, North Dakota, or for Solomon Robar, an early local French fur trader.^[1] It was created on March 8, 1883, and fully organized by August 6 of that year. Its boundary was altered once, in 1885.^[4]