Gann Valley, SD
|Buffalo County Courthouse
112 Osman Avenue
Gann Valley, SD 57341
Gann Valley is the county seat of Buffalo County, as well as the center of population
of South Dakota. Buffalo County Population: 1,912 (2010 census)
The Buffalo County Courthouse is the headquarters of local government for the
public. Auditor, Treasurer, Register of Deeds, Director of Equalization, and Sheriff
offices are located in this building. Monthly meetings and other public events are
conducted in the courtroom on the first Tuesday each month.
Click on the following links to learn more about each office.
|Center of Population of SD