McLean County, Illinois

McLean County
County
Old McLean County Courthouse
Location within the U.S. state of Illinois
Illinois's location within the U.S.
Coordinates: 40°29′N 88°51′W / 40.49°N 88.85°W / 40.49; -88.85
Country	United States
State	Illinois
Founded	December 25, 1830
Named for	John McLean
Seat	Bloomington
Largest city	Bloomington
Area
• Total	1,186 sq mi (3,070 km2)
• Land	1,183 sq mi (3,060 km2)
• Water	2.9 sq mi (8 km2)  0.2%
Population  (2020)[1]
• Total	170,954
• Density	140/sq mi (56/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Website	www.mcleancountyil.gov

McLean County is the largest county by land area in the U.S. state of Illinois. According to the 2020 census, it had a population of 170,954.^[1] Its county seat is Bloomington.^[2]

McLean County was founded in 1830 and named for John McLean, United States Senator for Illinois, who died in 1830.^[3]

1. ↑ ^{1.0 1.1} "QuickFacts: McLean County, Illinois". United States Census Bureau. Retrieved August 14, 2023.
2. ↑ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved 2011-06-07.
3. ↑ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. U.S. Government Printing Office. p. 194.