Lake County
Lake County is a county located in the northeastern corner of the U.S. state of Illinois, along the shores of Lake Michigan. As of the 2020 census, it has a population of 714,342, making it the third-most populous county in Illinois. Its county seat is Waukegan, the tenth-largest city in Illinois. The county is primarily suburban, with some urban areas and some rural areas. Due to its location, immediately north of Cook County, Lake County is one of the collar counties of the Chicago metropolitan area. Its northern boundary is the Wisconsin state line.
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Cities and towns 45
- City of Highland Park pop. 30,177
- City of Highwood pop. 5,374
- City of Lake Forest pop. 19,253
- City of North Chicago pop. 30,029
- City of Park City pop. 7,867
- City of Waukegan pop. 88,614
- City of Zion pop. 24,494
- Village of Antioch pop. 14,824
- Village of Bannockburn pop. 1,002
- Village of Beach Park pop. 14,183
- Village of Deer Park pop. 3,656
- Village of Deerfield pop. 19,079
- Village of Fox Lake pop. 10,927
- Village of Grayslake pop. 21,121
- Village of Green Oaks pop. 4,080
- Village of Gurnee pop. 30,521
- Village of Hainesville pop. 3,528
- Village of Hawthorn Woods pop. 9,211
- Village of Indian Creek pop. 534
- Village of Island Lake pop. 8,027
- Village of Kildeer pop. 4,165
- Village of Lake Barrington pop. 5,080
- Village of Lake Bluff pop. 5,589
- Village of Lake Villa pop. 8,692
- Village of Lake Zurich pop. 19,660
- Village of Libertyville pop. 20,500
- Village of Lincolnshire pop. 7,932
- Village of Lindenhurst pop. 14,314
- Village of Long Grove pop. 8,308
- Village of Mettawa pop. 534
- Village of Mundelein pop. 31,560
- Village of North Barrington pop. 3,144
- Village of Old Mill Creek pop. 164
- Village of Riverwoods pop. 3,765
- Village of Round Lake pop. 18,625
- Village of Round Lake Beach pop. 27,081
- Village of Round Lake Heights pop. 2,604
- Village of Round Lake Park pop. 7,688
- Village of Third Lake pop. 1,109
- Village of Tower Lakes pop. 1,217
- Village of Vernon Hills pop. 26,786
- Village of Volo pop. 6,269
- Village of Wadsworth pop. 3,495
- Village of Wauconda pop. 14,011
- Village of Winthrop Harbor pop. 6,656
Townships 18
- Township of Antioch pop. 27,636
- Township of Avon pop. 63,363
- Township of Benton pop. 18,957
- Township of Cuba pop. 17,222
- Township of Ela pop. 45,300
- Township of Fremont pop. 33,372
- Township of Grant pop. 28,010
- Township of Lake Villa pop. 39,617
- Township of Libertyville pop. 53,967
- Township of Moraine pop. 34,228
- Township of Newport pop. 6,792
- Township of Shields pop. 36,889
- Township of Vernon pop. 71,130
- Township of Warren pop. 65,524
- Township of Wauconda pop. 23,615
- Township of Waukegan pop. 89,679
- Township of West Deerfield pop. 31,444
- Township of Zion pop. 24,494
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 162144
- FIPS state
- 17
- FIPS county
- 097
- FIPS place
- 99097
- Census record name
- COUNTY OF LAKE
- Mailing address
- 18 N COUNTY ST, WAUKEGAN 60085