What county is joliet illinois in?

Court cases are heard at the Will County Courthouse on Jefferson Street in Joliet and in a number of branch locations throughout Will County. Click the map for full details. read more

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. read more

Will County is located in the northern part of Illinois and is one of the fastest growing counties in the United States. The county seat of Will County is Joliet. Founded in 1836, today Will County is a major hub for roads, rail and natural gas pipelines. read more