In 2017, Watertown, SD had a population of 22.1k people with a median age of 36.6 and a median household income of $48,485. Between 2016 and 2017 the population of Watertown, SD grew from 22,026 to 22,083, a 0.259% increase and its median household income grew from $47,664 to $48,485, a 1.72% increase.
The population of Watertown, SD is 92.7% White Alone, 2.5% Hispanic or Latino, and 1.91% American Indian & Alaska Native Alone. N/A% of the people in Watertown, SD speak a non-English language, and 99.5% are U.S. citizens.
The median property value in Watertown, SD is $161,000, and the homeownership rate is 59.7%. Most people in Watertown, SD commute by Drove Alone, and the average commute time is 12.8 minutes. The average car ownership in Watertown, SD is 2 cars per household.