Spring Grove is a town in Green County, Wisconsin, United States.

According to the United States Census Bureau, the town has a total area of 39.8 square miles (103.1 km2), all of it land.

[3] As of the census[2] of 2000, there were 861 people, 290 households, and 243 families residing in the town.

There were 308 housing units at an average density of 7.7 per square mile (3.0/km2).

11.4% of all households were made up of individuals, and 3.8% had someone living alone who was 65 years of age or older.