List of all cities and towns in DuPage County
DuPage County is a county in the U.S. state of Illinois, and one of the Chicago metropolitan area’s collar counties.
The population was 932,877 as of the 2020 census, making it Illinois’ second-most populous county.
Wheaton is the county seat.
DuPage County was founded from Cook County on February 9, 1839.
The county was called after the DuPage River, which was named after a French fur trapper named DuPage.
The 1882 History of DuPage County, Illinois, by Rufus Blanchard, is the earliest documented history to discuss the name:
The county has a total area of 336 square miles (870 km2), of which 327 square miles (850 km2) is land and 8.9 square miles (23 km2) (2.6%) is water, according to the United States Census Bureau.
Here is a list of cities, towns, places, and villages in DuPage County, Illinois: