Watertown administrative offices are located at 22867 County Route 67, Watertown, NY 13601.
Watertown was established in 1800 at which time it was part of Oneida County.
The Town of Watertown  is composed of 36.1 square miles of land in central Jefferson County. The town contains the hamlets of Burrville and Watertown Center. Neighboring municipalities include Rutland, Rodman, Adams, Hounsfield, Pamelia, the Village of Glen Park, and the City of Watertown.