Sun prairie is located in Dane county Wisconsin with a geographic area of 12.9 square miles. The total population in Sun prairie is 33,954 with 50.0% male and 50.0% female. Children under age 5 represent 6.3% of the population, under age 18 equal 25.3% of the population and over age 65 is 13.9% of the population. The median household income is $79,566, per capita income is $37,272. There are a total of 13,596 housing units with 62.2% owner occupied. Education includes 18.1% of residents that are high school graduates and 48.5% with a bachelor's degree or higher. The average temperature in Sun prairie in the summer is 69 degrees, and in the winter 17 degrees.