Joliet, Illinois

Joliet (/ˈliɛt, liˈɛt/ JOH-lee-et, joh-lee-ET) is a city in Will and Kendall counties in the U.S. state of Illinois, 30 miles (48 km) southwest of Chicago. It is the county seat of Will County. At the 2020 census, the city was the third-largest in Illinois, with a population of 150,362.[5][6]

Joliet, Illinois
City of Joliet
Downtown scene
Etymology: Louis Jolliet
Location of Joliet in Will and Kendall counties in Illinois
Location of Illinois in the United States
Coordinates: 41°31′14″N 88°09′02″W
CountryUnited States
CountiesWill, Kendall
TownshipsJoliet, Troy, Plainfield, Lockport, New Lenox, Jackson, Channahon, Seward, Na-Au-Say
  MayorBob O'Dekirk[1]
  City ManagerJim Capparelli
  Total65.82 sq mi (170.48 km2)
  Land65.08 sq mi (168.56 km2)
  Water0.74 sq mi (1.92 km2)
614 ft (187 m)
  RankUS: 178th
  Density2,310.31/sq mi (892.02/km2)
Time zoneUTC−6 (CST)
  Summer (DST)UTC−5 (CDT)
ZIP codes
60431–60436, 60586
Area codes815, 779
FIPS code17-38570
AirportJoliet Regional Airport
Wikimedia CommonsJoliet, Illinois

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