From a total population of 12,607, Glen Carbon has a median age of 39.2. The average age of males, in Glen Carbon, is 37.9 while the average age of females is 40.7. When you compare this to median age of Illinois, Glen Carbon is 2.2 years older.
The median income of individuals, in Glen Carbon, is $28,093 while the average household income is $53,912. When comparing the median income of people living in Glen Carbon to the rest of Illinois, the average income in Glen Carbon is $1,926 less.