From a total population of 66,900, Saint Charles has a median age of 35.6. The average age of males, in Saint Charles, is 34 while the average age of females is 38.3. When you compare this to median age of Missouri, Saint Charles is 2.5 years younger.
The median income of individuals, in Saint Charles, is $29,645 while the average household income is $56,622. When comparing the median income of people living in Saint Charles to the rest of Missouri, the average income in Saint Charles is $3,639 more.