Long Lake is a town in Florence County, Wisconsin, United States.

The racial makeup of the town was 96.45% White, 0.51% Native American, 0.51% Asian, and 2.54% from two or more races.

27.5% of all households were made up of individuals, and 14.3% had someone living alone who was 65 years of age or older.

About 10.9% of families and 18.5% of the population were below the poverty line, including 34.5% of those under the age of eighteen and none of those 65 or over.

Long Lake has one Catholic Church, St. Norbert Parish, located at 3402 State Highway 139.