Fall River County, South Dakota

Fall River County
Fall River County
County
	Battle Mountain Sanitarium in Hot Springs.
	Location within the U.S. state of South Dakota
	South Dakota's location within the U.S.
	Coordinates: 43°15′N 103°31′W / 43.25°N 103.52°W
Country	United States
State	South Dakota
Founded	April 3, 1883
Named for	Fall River
Seat	Hot Springs
Largest city	Hot Springs
Area
• Total	1,749 sq mi (4,530 km2)
• Land	1,740 sq mi (4,500 km2)
• Water	9.2 sq mi (24 km2) 0.5%
Population (2020)
• Total	6,973
• Estimate (2023)	7,393
• Density	4.0/sq mi (1.5/km2)
Time zone	UTC−7 (Mountain)
• Summer (DST)	UTC−6 (MDT)
Congressional district	At-large
Website	fallriver.sdcounties.org

Fall River County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 6,973.^[1] Its county seat is Hot Springs.^[2] The county was founded in 1883. It is named for Fall River which runs through it.^[3]

^ "State & County QuickFacts". United States Census Bureau. Retrieved March 21, 2024.
^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 123.