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Data on this report is based on areas within the legal city boundary, outlined in black on the map. Any additional neighborhoods shown on the map are associated with the city by name and are included for reference only.

Watertown, SD
Real Estate & Demographic Data






Watertown profile


Living in Watertown



Watertown is a medium-sized city located in the state of South Dakota. With a population of 23,019 people and six associated neighborhoods, Watertown is the fifth largest community in South Dakota.

Residents of the city have the good fortune of having one of the shortest daily commutes compared to the rest of the country. On average, they spend only 14.15 minutes getting to work every day.

In terms of college education, Watertown is nearly on par with the US average for all cities of 21.84%: 20.50% of adults 25 and older in Watertown have a bachelor's degree or advanced degree.

The per capita income in Watertown in 2022 was $35,599, which is upper middle income relative to South Dakota and the nation. This equates to an annual income of $142,396 for a family of four. However, Watertown contains both very wealthy and poor people as well.

The people who call Watertown home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Watertown residents report their race to be White, followed by Native American. Important ancestries of people in Watertown include German, Norwegian, Irish, English, and Swedish.

The most common language spoken in Watertown is English. Other important languages spoken here include Polish and Spanish.


Zip Codes in Watertown, SD