Bloomfield is a town in Waushara County, Wisconsin, United States.

The unincorporated communities of Brushville and West Bloomfield are also located in the town.

The unincorporated community of Metz is also located partially in the town.

The racial makeup of the town was 99.12% White, 0.20% Native American, 0.20% Asian, and 0.49% from two or more races.

19.1% of all households were made up of individuals, and 8.1% had someone living alone who was 65 years of age or older.