Businesses and Places in Joliet, Illinois

Joliet is a city in Will and Kendall counties in the U.S. state of Illinois, southwest of Chicago. It is the county seat of Will County and a major part of the southwest Chicago metropolitan area. At the 2010 census, the city was the fourth largest in Illinois, with a population of 147,433. A population estimate in 2016 put Joliet's population at 149,395, which would make it the 3rd largest city in Illinois if accurate.
Phone Area Codes in Joliet, IL: 779,815

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