About This Place
Lake Mills is a city in Jefferson County, Wisconsin, United States. The population was 4,843 at the 2000 census. The city is located partially within the Town of Lake Mills.
Lake Mills is located at 43°4′48″N 88°54′33″W / 43.08°N 88.90917°W / 43.08; -88.90917 (43.080108, -88.909209).
According to the United States Census Bureau, the city has a total area of 3.8 square miles (9.9 km²), of which, 3.4 square miles (8.9 km²) of it is land and 0.4 square miles (1.0 km²) of it (10.47%) is water.