Buffalo County, Administrative county in central South Dakota, US.
Buffalo County spans 488 square miles of rolling hills and prairie lands along the Missouri River in South Dakota's central region.
The county, established in 1873, developed its administrative structure during the territorial expansion period of South Dakota in the late 19th century.
The Crow Creek Indian Reservation occupies most of Buffalo County, with Native Americans representing 84 percent of the total population.
Gann Valley, the county seat, connects to major regional highways and provides basic government services for the county's 1,948 residents.
With only 10 residents, Gann Valley holds the distinction of being the smallest county seat in the United States.
Location: South Dakota
Inception: 1873
Capital city: Gann Valley
Shares border with: Hand County, Jerauld County, Brule County, Lyman County, Hyde County
Website: https://gannvalley.com/buffalo-county-1
GPS coordinates: 44.08000,-99.20000
Latest update: May 27, 2025 13:20
Dignity
34.5 km
Big Bend
31.4 km
Chamberlain Bridge
31.9 km
South Dakota Hall of Fame
33.5 km
Snake Creek Recreation Area
77.1 km
Fort Thompson Mounds
15.2 km
Akta Lakota Museum and Cultural Center
30 km
Huron Wetland Management District
72.2 km
Lewis and Clark Memorial Bridge
33.5 km
Underwood United Methodist Church
43.9 km
Chamberlain Rail Bridge
33.8 km
Holy Trinity Church
42.7 km
Patten Consolidated School
41.7 km
Aurora County Courthouse
70.1 km
Jerauld County Courthouse
50.4 km
Robert S. Vessey House
50 km
Church of Christ in LaRoche Township
70.1 km
Methodist Episcopal Church of Wessington Springs
50.2 km
William P. Smith House
81.7 km
Raesly House
71 km
Hofmeister House
55.4 km
Hilton House
55.2 km
Wessington Springs Carnegie Library
50.2 km
Crow Creek Site
15.3 km
South Dakota Hall of Fame
33.5 km
Wessington Springs Opera House
50.3 km
South Dakota Tractor Museum
42.8 km
Lake Sharpe
20.4 kmReviews
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