From a total population of 21,843, Libertyville has a median age of 45.2. The average age of males, in Libertyville, is 44.8 while the average age of females is 45.4. When you compare this to median age of Illinois, Libertyville is 8.2 years older.
The median income of individuals, in Libertyville, is $57,126 while the average household income is $112,572. When comparing the median income of people living in Libertyville to the rest of Illinois, the average income in Libertyville is $27,107 more.