Joliet, Illinois

Naperville, Illinois

Joliet () 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 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 2018 put Joliet's population at 150,495, which would make it the 3rd largest city in Illinois if accurate.

Naperville () is a city in DuPage and Will counties in the U.S. state of Illinois. Located 28 miles (45 km) west of Chicago, Naperville was founded in 1831 and developed into the fifth-largest city in Illinois. As of the 2010 census, the city had a population of 141,853, which was estimated to have increased to 147,682 by 2017.In a 2010 study assessing cities with populations exceeding 75,000, Naperville was ranked as the wealthiest city in the Midwest and the eleventh wealthiest in the nation. It was ranked among the nation's safest cities by USA Today and Business Insider. Naperville was voted the second-best place to live in the United States by Money magazine in 2006 and it was rated first on the list of best cities for early retirement in 2013 by Kiplinger. In 2015, it was ranked as one of the most educated large cities in America with populations over 50,000.