The Potter County Courthouse in Gettysburg, South Dakota was built in 1911. Gettysburg won a war vs. an alternative county seat location. The Second Renaissance Revival-style building has Classical Revival-style influences. It was listed on the National Register of Historic Places in 1986.
The courthouse was designed by the Black Hills Company, a Deadwood-based architecture firm operated by architect John P. Eisentraut. The contractors were Stolte & Mencier of Redfield
Gettysburg was established as county seat after bitter dispute with Forest City, South Dakota. Forest City refused to give up the official papers of the county; Frank M. Byrne, later a governor of the state, was involved in a raid to obtain the papers.
It is a three-story building.