Cities & Towns in DuPage County, IL

DuPage County, county in Illinois, United States. As of 2020 county had an estimated population of 917,481 inhabitants. The county was created 184 years ago in 1839. Its county seat is "Wheaton".

There are 30 city/town in DuPage County, IL. The largest city of DuPage County is Naperville with a population of 147,986. Other cities include, Wheaton population 52,451, Downers Grove population 48,727, Elmhurst population 46,532, Lombard population 43,961

Naperville

Naperville, city in DuPage and Will counties in Illinois, United States

Wheaton

Wheaton, city in DuPage County, Illinois, United States

Downers Grove

Downers Grove, village in Downers Grove, Lisle, and York Townships, DuPage County, Illinois, US

All DuPage County Cities (Aphebetical)

Cities, Towns, Neighborhoods & Other Populated Places in DuPage County.