From a total population of 3,844, Green Oaks has a median age of 43.4. The average age of males, in Green Oaks, is 44.2 while the average age of females is 42.4. When you compare this to median age of Illinois, Green Oaks is 6.4 years older.
The median income of individuals, in Green Oaks, is $66,063 while the average household income is $168,929. When comparing the median income of people living in Green Oaks to the rest of Illinois, the average income in Green Oaks is $36,044 more.