what county is watertown, ct in?
Watertown, Connecticut. (Redirected from Watertown, CT) Watertown is a town in Litchfield County, Connecticut, United States. The population was 22,514 at the 2010 census. The zip code for Watertown is 06795. It is a suburb of Waterbury. It borders the towns of Woodbury, Middlebury, Litchfield, Plymouth, Bethlehem, and Thomaston.