Watertown is a town in Jefferson County, Wisconsin, United States.

[4] As of the census[5] of 2000, there were 1,876 people, 684 households, and 547 families residing in the town.

There were 715 housing units at an average density of 18.6/sq mi (7.2/km2).

There were 684 households, out of which 33.2% had children under the age of 18 living with them, 70.9% were married couples living together, 5.0% had a female householder with no husband present, and 19.9% were non-families.

15.8% of all households were made up of individuals, and 6.9% had someone living alone who was 65 years of age or older.