Dorchester is a village in Clark and Marathon counties in the U.S. state of Wisconsin, along the 45th parallel.

As of the census[3] of 2010, there were 876 people, 355 households, and 228 families living in the village.

There were 383 housing units at an average density of 275.5 per square mile (106.4/km2).

28.2% of all households were made up of individuals, and 11.3% had someone living alone who was 65 years of age or older.

There were 354 housing units at an average density of 270.4 per square mile (104.3/km2).

27.1% of all households were made up of individuals, and 13.7% had someone living alone who was 65 years of age or older.