DuPage County, Illinois
DuPage County is a county in Illinois with an estimated population of 921,213 in 2023. 30 cities, towns and Census places in it are indexed here.
Largest places in DuPage County
Naperville 150,245Wheaton 52,938Downers Grove 49,706Elmhurst 45,336Lombard 43,779Bartlett 39,992Carol Stream 38,966Addison 35,167Woodridge 33,566Glendale Heights 32,409Glen Ellyn 28,347West Chicago 25,116Westmont 23,933Lisle 23,222Roselle 22,508Bloomingdale 22,298Villa Park 21,727Darien 21,698Bensenville 18,352Hinsdale 17,297Warrenville 15,027Wood Dale 13,774Burr Ridge 11,023Winfield 10,054Itasca 9,346Willowbrook 9,038Clarendon Hills 8,562Oak Brook 8,049Oakbrook Terrace 2,690Wayne 2,246
About DuPage County
DuPage County is one of the counties of Illinois. County governments in Illinois handle local services such as courts, property records and elections; cities and towns inside the county run their own municipal services. Population figures come from the Census Bureau's Vintage 2023 estimates, which are updated annually.