Dewey is a town in Rusk County, Wisconsin, United States.

As of the census[2] of 2000, there were 523 people, 209 households, and 155 families residing in the town.

There were 277 housing units at an average density of 8.9 per square mile (3.4/km2).

The racial makeup of the town was 99.24% White, 0.19% Native American, 0.19% Asian, and 0.38% from two or more races.

23.9% of all households were made up of individuals, and 12.4% had someone living alone who was 65 years of age or older.