Blue Mounds is a town in Dane County, Wisconsin, United States.

According to the United States Census Bureau, the town has a total area of 33.0 square miles (85 km2), of which, 33.0 square miles (85.5 km2) of it is land and 0.03% is water.

As of the census[1] of 2000, there were 842 people, 291 households, and 247 families residing in the town.

The racial makeup of the town was 98.34% White, 0.12% Black or African American, 0.59% Native American, 0.36% Asian, 0.12% from other races, and 0.48% from two or more races.

10.0% of all households were made up of individuals, and 3.8% had someone living alone who was 65 years of age or older.