Charlestown is a town in Calumet County in the U.S. state of Wisconsin.

The Town of Charlestown is located in southeastern Calumet County.

The city of Chilton, the Calumet County seat, abuts the west-central border of Charlestown.

[4] As of the census[3] of 2000, there were 789 people, 291 households, and 229 families residing in the town.

16.8% of all households were made up of individuals, and 6.9% had someone living alone who was 65 years of age or older.