Lebanon, Illinois

Lebanon, Illinois
Location of Lebanon in St. Clair County, Illinois.
Coordinates: 38°36′12″N 89°48′41″W / 38.60333°N 89.81139°W / 38.60333; -89.81139
Country United States
State Illinois
CountySt. Clair
Area
  Total
2.70 sq mi (7.00 km2)
  Land2.69 sq mi (6.98 km2)
  Water0.01 sq mi (0.02 km2)
Elevation
459 ft (140 m)
Population
 (2020)
  Total
4,691
  Density1,740.63/sq mi (672.09/km2)
Time zoneUTC-6 (CST)
  Summer (DST)UTC-5 (CDT)
ZIP Code(s)
62254
Area code618
FIPS code17-42496
GNIS feature ID2395663
Wikimedia CommonsLebanon, Illinois
Websitewww.lebanonil.org/city

Lebanon is a city in St. Clair County, Illinois, United States. The population was 4,691 at the 2020 census It is a part of the Metro East region of the Greater St. Louis metropolitan area. Lebanon is home to McKendree University, the oldest college in Illinois.