From a total population of 27,740, Oak Forest has a median age of 39.6. The average age of males, in Oak Forest, is 38 while the average age of females is 40.6. When you compare this to median age of Illinois, Oak Forest is 2.6 years older.
The median income of individuals, in Oak Forest, is $30,113 while the average household income is $71,082. When comparing the median income of people living in Oak Forest to the rest of Illinois, the average income in Oak Forest is $94 more.