The Town of Plymouth is a located in Rock County, Wisconsin, United States.

According to the United States Census Bureau, the town has a total area of 35.7 square miles (92.3 km2), of which, 35.6 square miles (92.3 km2) of it is land and 0.03% is water.

As of the census[2] of 2000, there were 1,270 people, 441 households, and 366 families residing in the town.

There were 454 housing units at an average density of 12.7 per square mile (4.9/km2).

13.2% of all households were made up of individuals, and 4.1% had someone living alone who was 65 years of age or older.