Watertown is located in South Dakota. Watertown, South Dakota has a population of 22,155. Watertown is less family-centric than the surrounding county with 26% households with children. The county percentage for households with children is 27%.
The median household income in Watertown, South Dakota is $54,596. The median household income for the surrounding county is $58,581 compared to the national median of $66,222. The median age of people living in Watertown is 38.2 years.
The average high temperature in July is 82.5 degrees, with an average low temperature in January of -0.1 degrees. The annual precipitation is 21.94.