Caswell is a town in Forest County, Wisconsin, United States.

[3] The unincorporated communities of Cavour and Laona Junction are located within the town.

[5] The town was probably named after Lucien B. Caswell, who served in the Wisconsin Assembly as well as eight terms in the U.S. House of Representatives.

29.3% of all households were made up of individuals, and 14.6% had someone living alone who was 65 years of age or older.

There were 21.2% of families and 22.5% of the population living below the poverty line, including 34.8% of under eighteens and 20.0% of those over 64.