Frederick is a town in Brown County, South Dakota, United States. The population was 199 at the 2010 census. Home to the annual Frederick Finn Fest, the town is part of the Aberdeen Micropolitan Statistical Area. More
Frederick is a town in Brown County, South Dakota, United States. The population was 199 at the 2010 census. Home to the annual Frederick Finn Fest, the town is part of the Aberdeen Micropolitan Statistical Area.