From a total population of 19,594, Germantown has a median age of 42. The average age of males, in Germantown, is 39.9 while the average age of females is 43.9. When you compare this to median age of Wisconsin, Germantown is 3.2 years older.
The median income of individuals, in Germantown, is $36,304 while the average household income is $74,865. When comparing the median income of people living in Germantown to the rest of Wisconsin, the average income in Germantown is $8,397 more.