Watertown is a city in the northeastern part of the U.S. state of South Dakota. It is the county seat of Codington County, and 21,482 people lived there at the 2010 census. Watertown became a city in 1885.
Watertown is a city in the northeastern part of the U.S. state of South Dakota. It is the county seat of Codington County, and 21,482 people lived there at the 2010 census. Watertown became a city in 1885.