From a total population of 598,078, Milwaukee County has a median age of 30.8. The average age of males, in Milwaukee County, is 29.9 while the average age of females is 31.6. When you compare this to median age of Wisconsin, Milwaukee County is 8.0 years younger.
The median income of individuals, in Milwaukee County, is $19,636 while the average household income is $35,489. When comparing the median income of people living in Milwaukee County to the rest of Wisconsin, the average income in Milwaukee County is $8,271 less.