From a total population of 4,243, Watertown has a median age of 35.3. The average age of males, in Watertown, is 35.5 while the average age of females is 34.1. When you compare this to median age of Minnesota, Watertown is 2.3 years younger.
The median income of individuals, in Watertown, is $32,281 while the average household income is $67,721. When comparing the median income of people living in Watertown to the rest of Minnesota, the average income in Watertown is $639 more.