McLean County, Illinois

McLean County
Old McLean County Courthouse
Map of Illinois highlighting McLean County
Location within the U.S. state of Illinois
Map of the United States highlighting 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
FoundedDecember 25, 1830
Named forJohn McLean
SeatBloomington
Largest cityBloomington
Area
 • Total
1,186 sq mi (3,070 km2)
 • Land1,183 sq mi (3,060 km2)
 • Water2.9 sq mi (8 km2)  0.2%
Population
 (2020)
 • Total
170,954
 • Density140/sq mi (56/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional districts16th, 17th
Websitewww.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.

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