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

The village of Bloomfield was formed from part of the town on December 20, 2011.

[3] The census-designated place of Lake Ivanhoe and unincorporated community of North Bloomfield are located in the town.

As of the census[2] of 2000, there were 5,537 people, 2,067 households, and 1,448 families residing in the town.

24.4% of all households were made up of individuals, and 9.5% had someone living alone who was 65 years of age or older.