Lake County, Illinois
county in Illinois, United States
Lake County is a county in northeast Illinois. As of the 2020 census, the population was 714,342.[1] Some of the main cities are Waukegan and Libertyville.
Lake County | |
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![]() Lake County Courthouse in Waukegan | |
![]() Location within the U.S. state of Illinois | |
![]() Illinois's location within the U.S. | |
Coordinates: 42°26′N 87°47′W / 42.43°N 87.78°W | |
Country | ![]() |
State | ![]() |
Founded | March 1, 1839 |
Named for | Lake Michigan |
Seat | Waukegan |
Largest city | Waukegan |
Area | |
• Total | 1,368 sq mi (3,540 km2) |
• Land | 444 sq mi (1,150 km2) |
• Water | 925 sq mi (2,400 km2) 67.6% |
Population | |
• Total | 714,342 |
• Density | 520/sq mi (200/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Website | www |
References
change- ↑ 1.0 1.1 "QuickFacts: Lake County, Illinois". United States Census Bureau. Retrieved August 14, 2023.