v t e Municipalities and communities of Lake County, Illinois, United States
County seat: Waukegan
Cities	Highland Park Highwood Lake Forest North Chicago Park City Waukegan Zion	Map of Illinois highlighting Lake County
Villages	Antioch Arlington Heights‡ Bannockburn Barrington‡ Barrington Hills‡ Beach Park Buffalo Grove‡ Deer Park‡ Deerfield‡ Fox Lake‡ Fox River Grove‡ Grayslake Green Oaks Gurnee Hainesville Hawthorn Woods Indian Creek Island Lake‡ Kildeer Lake Barrington Lake Bluff Lake Villa Lake Zurich Lakemoor‡ Libertyville Lincolnshire Lindenhurst Long Grove Mettawa Mundelein North Barrington Old Mill Creek Palatine‡ Port Barrington‡ Riverwoods Round Lake Round Lake Beach Round Lake Heights Round Lake Park Third Lake Tower Lakes Vernon Hills Volo Wadsworth Wauconda Wheeling‡ Winthrop Harbor
Townships	Antioch Avon Benton Cuba Ela Fremont Grant Lake Villa Libertyville Moraine Newport Shields Vernon Warren Wauconda Waukegan West Deerfield Zion
CDPs	Channel Lake Forest Lake Fox Lake Hills Gages Lake Grandwood Park Knollwood Lake Catherine Long Lake Venetian Village
Other unincorporated communities	Aptakisic Diamond Lake Eddy Fort Sheridan Fremont Center Gilmer Grange Hall Grass Lake Ingleside Ivanhoe Kennedy Loon Lake Millburn Monaville Palm Beach‡ Prairie View Rondout Rosecrans Russell Sylvan Lake West Miltmore Wildwood
Former settlements	Half Day Wilson
Footnotes	‡This populated place also has portions in an adjacent county or counties
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