Quinn is a town in Pennington County, South Dakota, United States. The population was 63 at the 2020 census. The town is the home of the Badlands Observatory, located in the former community hospital, built in 1950.
Quinn is a town in Pennington County, South Dakota, United States. The population was 63 at the 2020 census. The town is the home of the Badlands Observatory, located in the former community hospital, built in 1950.