In 2023, Watertown, SD had a population of 28.6k people with a median age of 39.9 and a median household income of $65,080. Between 2022 and 2023 the population of Watertown, SD declined from 34,598 to 28,556, a −17.5% decrease and its median household income declined from $67,993 to $65,080, a −4.28% decrease.
The 5 largest ethnic groups in Watertown, SD are White (Non-Hispanic) (90.9%), Two+ (Non-Hispanic) (2.41%), Two+ (Hispanic) (1.98%), American Indian & Alaska Native (Non-Hispanic) (1.92%), and Black or African American (Non-Hispanic) (0.735%).
None of the households in Watertown, SD reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.2% of the residents in Watertown, SD are U.S. citizens.
The largest universities in Watertown, SD are Lake Area Technical College (793 degrees awarded in 2022).
In 2023, the median property value in Watertown, SD was $218,000, and the homeownership rate was 67.4%.
Most people in Watertown, SD drove alone to work, and the average commute time was 14.9 minutes. The average car ownership in Watertown, SD was 2 cars per household.