From a total population of 28,322, Sun Prairie has a median age of 34. The average age of males, in Sun Prairie, is 33.6 while the average age of females is 34.4. When you compare this to median age of Wisconsin, Sun Prairie is 4.8 years younger.
The median income of individuals, in Sun Prairie, is $30,905 while the average household income is $66,956. When comparing the median income of people living in Sun Prairie to the rest of Wisconsin, the average income in Sun Prairie is $2,998 more.