Union is a town in Eau Claire County, Wisconsin, United States.

The unincorporated communities of Truax and Union are located in the town.

As of the census[2] of 2000, there were 2,402 people, 856 households, and 678 families residing in the town.

There were 878 housing units at an average density of 31.4 per square mile (12.1/km2).

14.4% of all households were made up of individuals, and 4.7% had someone living alone who was 65 years of age or older.