Lake mills is located in Jefferson county Wisconsin with a geographic area of 4.2 square miles. The total population in Lake mills is 5,936 with 49.8% male and 50.2% female. Children under age 5 represent 8.4% of the population, under age 18 equal 22.7% of the population and over age 65 is 15.0% of the population. The median household income is $69,571, per capita income is $34,053. There are a total of 2,372 housing units with 69.4% owner occupied. Education includes 20.8% of residents that are high school graduates and 41.7% with a bachelor's degree or higher. The average temperature in Lake mills in the summer is 71 degrees, and in the winter 17 degrees.
