Dekorra is a town in Columbia County, Wisconsin, United States.

Native American Indians originally lived in the area.

As of the census[2] of 2000, there were 2,350 people, 949 households, and 690 families residing in the town.

There were 1,237 housing units at an average density of 30.1 per square mile (11.6/km2).

21.9% of all households were made up of individuals, and 7.7% had someone living alone who was 65 years of age or older.