Watertown is located in Codington County, SD. The population is 22,140, making Watertown the largest city in Codington County and the 5th largest city in the state of South Dakota.
There are 10 public schools in Watertown with an average Homefacts rating of B+. The total crime rate for Watertown is moderate , and there are 97 registered sex offenders residing in the city. Unemployment in Watertown is low and the median home sales price is $0. Detailed and up-to-date Watertown property reports are available for any property address.