LeRoy is a town in Dodge County, Wisconsin, United States. The population was 1,116 at the 2000 census. The unincorporated communities of Farmersville and LeRoy are located in the town. According to the United States Census Bureau, the town has a total area of 37.4 square miles, of which 36.6 square miles is land and 0.8 square mileā¦LeRoy is a town in Dodge County, Wisconsin, United States. The population was 1,116 at the 2000 census. The unincorporated communities of Farmersville and LeRoy are located in the town. According to the United States Census Bureau, the town has a total area of 37.4 square miles, of which 36.6 square miles is land and 0.8 square miles of it is water.