Richmond is a town in St. Croix County, Wisconsin, United States. The population was 1,556 at the 2000 census. The unincorporated community of Boardman is located in the town. According to the United States Census Bureau, the town has a total area of 33.4 square miles, of which, 33.2 square miles of it is land and 0.2 square miles of it is water.