Badnation is an unincorporated community in Mellette County, in the U.S. state of South Dakota.
Badnation was originally called Runningville.
[1] A post office called Runningville was established in 1916, the name was changed to Badnation in 1938, and the post office closed in 1942.
[2] The community takes its present name from Bad Nation Township.
This South Dakota state location article is a stub.