Berlin is a town in Marathon County, Wisconsin, United States.

According to the United States Census Bureau, the town has a total area of 34.7 square miles (89.8 km2), all of it land.

There were 330 housing units at an average density of 9.5 per square mile (3.7/km2).

16.6% of all households were made up of individuals, and 6.7% had someone living alone who was 65 years of age or older.

Media related to Berlin, Marathon County, Wisconsin at Wikimedia Commons