Libertyville is a village in Lake County, Illinois, United States. It is a suburb of Chicago. It is located 5 miles (8 km) west of Lake Michigan on the Des Plaines River. The 2014 census population was 20,512. It is located southwest of Waukegan and west of Lake Forest.
- "Geographic Identifiers: 2010 Demographic Profile Data (G001): Libertyville village, Illinois". U.S. Census Bureau, American Factfinder. Retrieved December 11, 2012.