From a total population of 3,445, Prairie du Sac has a median age of 36. The average age of males, in Prairie du Sac, is 31.7 while the average age of females is 40.3. When you compare this to median age of Wisconsin, Prairie du Sac is 2.8 years younger.
The median income of individuals, in Prairie du Sac, is $24,613 while the average household income is $49,934. When comparing the median income of people living in Prairie du Sac to the rest of Wisconsin, the average income in Prairie du Sac is $3,294 less.