From a total population of 49,557, Oak Park has a median age of 39. The average age of males, in Oak Park, is 37.8 while the average age of females is 40.2. When you compare this to median age of Illinois, Oak Park is 2.0 years older.
The median income of individuals, in Oak Park, is $47,573 while the average household income is $78,895. When comparing the median income of people living in Oak Park to the rest of Illinois, the average income in Oak Park is $17,554 more.