McLean County, Illinois

county in Illinois, United States

McLean County is the largest county by land area in the U.S. state of Illinois. According to the 2010 census, it had a population of 169,572.[1] Its county seat is Bloomington.[2]

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
Largest cityBloomington
 • Total1,186 sq mi (3,070 km2)
 • Land1,183 sq mi (3,060 km2)
 • Water2.9 sq mi (8 km2)  0.2%%
 • Total169,572
 • Density143/sq mi (55/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional districts13th, 18th

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


The county has a total area of 1,186 square miles (3,070 km2).

Bordering countiesEdit





Census-designated placeEdit

Other unincorporated communitiesEdit

  • Barnes
  • Bentown
  • Bloomington Heights
  • Cropsey
  • Covell
  • Funks Grove
  • Holder
  • Lyttleville
  • Meadows
  • Merna
  • Shirley
  • Watkins
  • Weedman
  • Weston


McLean County is divided into these townships:

Ghost townsEdit

  • Allin
  • Benjaminville
  • Kumler


  1. "State & County QuickFacts". United States Census Bureau. Archived from the original on July 14, 2011. Retrieved July 7, 2014.
  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.

Other websitesEdit