Wellington is a town in Monroe County, Wisconsin, United States.

According to the United States Census Bureau, the town has a total area of 35.4 square miles (91.7 km2), all of it land.

At the 2000 census there were 544 people, 185 households, and 152 families in the town.

There were 221 housing units at an average density of 6.2 per square mile (2.4/km2).

[2] Of the 185 households 40.0% had children under the age of 18 living with them, 73.5% were married couples living together, 5.4% had a female householder with no husband present, and 17.3% were non-families.