Grant County, South Dakota

Grant County
Grant County
County
	County Courthouse
	Location within the U.S. state of South Dakota
	South Dakota's location within the U.S.
	Coordinates: 45°10′N 96°46′W / 45.17°N 96.77°W
Country	United States
State	South Dakota
Founded	1873 (created); January 8, 1878 (organized)
Named for	Ulysses S. Grant
Seat	Milbank
Largest city	Milbank
Area
• Total	688 sq mi (1,780 km2)
• Land	681 sq mi (1,760 km2)
• Water	6.1 sq mi (16 km2) 0.9%
Population (2020)
• Total	7,556
• Estimate (2023)	7,553
• Density	11/sq mi (4.2/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	At-large
Website	grantcounty.sd.gov

Grant County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 7,556.^[1] The county seat is Milbank.^[2] The county was founded in 1873 and organized in 1878.^[3] It is named for Ulysses S. Grant, 18th President of the United States.^[4]

^ "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.
^ "Dakota Territory, South Dakota, and North Dakota: Individual County Chronologies". Dakota Territory Atlas of Historical County Boundaries. The Newberry Library. 2006. Archived from the original on April 2, 2018. Retrieved March 29, 2015.
^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 141.