
Libertyville
- County:
- Lake County
- County Seat:
- No
- Area (mi²):
- 8.808
- State:
- Illinois
Libertyville is a village located in Lake County, Illinois. Libertyville has a 2025 population of 20,181. Libertyville is currently declining at a rate of -0.37% annually and its population has decreased by -1.83% since the most recent census, which recorded a population of 20,558 in 2020.
The average household income in Libertyville is $214,676 with a poverty rate of 3.65%. The median age in Libertyville is 41.9 years: 40.7 years for males, and 42.5 years for females.