McLean County, Illinois

McLean County
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
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)
• Total	170,954
• Density	140/sq mi (56/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional districts	16th, 17th
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 is included in the Bloomington–Normal, IL Metropolitan Statistical Area.

^ "State & County QuickFacts". United States Census Bureau. Archived from the original on June 6, 2011. Retrieved July 7, 2014.
^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.