Sun Prairie, Wisconsin has a population of 36,120. Sun Prairie is more family-centric than the surrounding county with 33% households with children. The county percentage for households with children is 26%.
The median household income in Sun Prairie, Wisconsin is $80,384. The median household income for the surrounding county is $77,623 compared to the national median of $66,222. The median age of people living in Sun Prairie is 38.2 years.
The average high temperature in July is 82.1 degrees, with an average low temperature in January of 9.3 degrees. The annual precipitation is 32.95.