From a total population of 21,715, Charleston has a median age of 23.6. The average age of males, in Charleston, is 23.7 while the average age of females is 23.4. When you compare this to median age of Illinois, Charleston is 13.4 years younger.
The median income of individuals, in Charleston, is $17,511 while the average household income is $26,844. When comparing the median income of people living in Charleston to the rest of Illinois, the average income in Charleston is $12,508 less.