Satellite map of Buffalo County, South Dakota
Map of Buffalo County, South Dakota
Buffalo County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 1,912. Its county seat is Gann Valley and, at 14, is the least populous county seat in the United States.
Latitude: 44° 04' 48.00" N
Longitude: -99° 12' 0.00" W