From a total population of 15,224, Forest Park has a median age of 39.3. The average age of males, in Forest Park, is 37.2 while the average age of females is 40.9. When you compare this to median age of Illinois, Forest Park is 2.3 years older.
The median income of individuals, in Forest Park, is $38,901 while the average household income is $50,749. When comparing the median income of people living in Forest Park to the rest of Illinois, the average income in Forest Park is $8,882 more.