From a total population of 28,056, Harvey has a median age of 33.6. The average age of males, in Harvey, is 34.6 while the average age of females is 32.9. When you compare this to median age of Illinois, Harvey is 3.4 years younger.
The median income of individuals, in Harvey, is $13,481 while the average household income is $25,074. When comparing the median income of people living in Harvey to the rest of Illinois, the average income in Harvey is $16,538 less.