Hamlin County, South Dakota

Hamlin County is a county located in the U.S. state of South Dakota. As of the 2020 census, 6,164 people lived there.^[1] Its county seat is Hayti. It was created in 1873.^[2]

Hamlin County
County
Hamlin County Courthouse in Hayti in 1974
Location within the U.S. state of South Dakota
South Dakota's location within the U.S.
Coordinates: 44°41′N 97°12′W
Country	United States
State	South Dakota
Founded	1873 (created) 1878 (organized)
Named for	Hannibal Hamlin
Seat	Hayti
Largest city	Estelline
Area
• Total	538 sq mi (1,390 km2)
• Land	507 sq mi (1,310 km2)
• Water	31 sq mi (80 km2)  5.7%
Population  (2020)
• Total	6,164
• Density	11/sq mi (4.4/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	At-large