Watertown is a city in and the county seat of Codington County, South Dakota, United States. Watertown is home to the Redlin Art Center which houses many of the original art works produced by Terry Redlin, one of America's most popular wildlife artists. Watertown is located between Pelican Lake and Lake Kampeska, from which Redlin derived inspiration for his artwork.
The population was 21,482 at the 2010 census, making Watertown the fifth largest city in South Dakota. It is also the principal city of the Watertown Micropolitan Statistical Area, which includes all of Codington and Hamlin counties. Watertown also is home to the Bramble Park Zoo. Watertown's residential real estate is considered the most expensive in South Dakota for cities of its size; the median price for a home in Watertown is approximately $200,000.
Watertown is located at 44°54′12″N 97°7′14″W (44.903433, -97.120437), along the Big Sioux River.
According to the United States Census Bureau, the city has a total area of 25.04 square miles (64.85 km2), of which 17.45 square miles (45.20 km2) is land and 7.59 square miles (19.66 km2) is water. Watertown sits on the Big Sioux River and two major lakes, Pelican Lake and Lake Kampeska. Most of Watertown also sits upon a short plateau. The elevation at Watertown Regional Airport is 1,745 feet.