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 185 years ago in 1839. Its county seat is Wheaton.

There are 0 city/town in DuPage County, IL.

Located just west of Chicago in northeastern Illinois, DuPage County contains a mix of bustling suburbs, quaint towns, and rural pockets that appeal to families and businesses. With its Forest Preserve trails and highly ranked schools, it's no wonder DuPage County is often considered one of the most desirable suburban locations in the Midwest.

The county seat and largest city is Naperville, which blends picturesque charm with corporate campuses and tech jobs. Other mid-sized cities include Elmhurst, known for its historic downtown and proximity to O'Hare Airport, and Wheaton, home to a college and the beautiful grounds of the Chicago Golf Club.

Smaller suburban towns offer excellent public services and parks like Lisle, Hinsdale, and Glen Ellyn. The western part of the county includes still rural cities like Winfield and Warrenville where residents can enjoy open space.

DuPage County provides something for everyone with its mix of thriving suburbs, quaint downtowns, revitalized riverfronts, and peaceful prairie trails. Easy access to Chicago via commuter rail and major highways has solidified DuPage County as an extension of the prosperous Chicagoland metro area. For families or businesses seeking that balance of community charm and big-city access, DuPage County is hard to top.

All DuPage County Cities (Aphebetical)

List of cities, towns, neighborhoods & other populated places in DuPage County.

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City Name Title Population
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County Cities on Map (0)

Illinois Counties (102)

Cook County (5,108,284) DuPage County (917,481) Lake County (693,593) Will County (688,726) Kane County (531,010) McHenry County (305,888) Winnebago County (281,295) Madison County (262,635) Saint Clair County (258,046) Champaign County (209,192) Sangamon County (193,882) Peoria County (177,652) McLean County (171,256) Rock Island County (140,907) Tazewell County (130,777) Kendall County (130,638) Kankakee County (108,594) LaSalle County (107,571) DeKalb County (104,491) Macon County (103,015) Vermilion County (74,855) Williamson County (66,415) Adams County (64,783) Jackson County (56,675) Whiteside County (54,656) Boone County (52,777) Grundy County (50,993) Coles County (50,383) Ogle County (50,306) Knox County (49,053) Henry County (48,411) Macoupin County (44,567) Stephenson County (43,831) Woodford County (38,091) Franklin County (38,060) Clinton County (37,398) Jefferson County (37,235) Marion County (37,045) Livingston County (35,414) Monroe County (34,739) Effingham County (34,065) Fulton County (33,690) Lee County (33,647) Morgan County (33,400) Bureau County (32,303) Christian County (32,075) Randolph County (31,351) McDonough County (29,295) Logan County (28,383) Montgomery County (28,045) Iroquois County (26,711) Saline County (23,182) Jersey County (21,616) Shelby County (21,299) Fayette County (21,264) Jo Daviess County (21,239) Perry County (20,664) Douglas County (19,510) Crawford County (18,512) Hancock County (17,422) Edgar County (16,858) Warren County (16,696) Union County (16,498) Piatt County (16,355) Bond County (16,262) Wayne County (16,031) Richland County (15,507) Lawrence County (15,467) De Witt County (15,368) Clark County (15,268) Pike County (15,239) Mercer County (15,225) Moultrie County (14,347) Carroll County (14,241) Washington County (13,764) Massac County (13,636) White County (13,364) Mason County (13,173) Clay County (13,079) Ford County (12,949) Greene County (12,702) Johnson County (12,358) Menard County (12,068) Cass County (11,925) Marshall County (11,309) Wabash County (11,190) Cumberland County (10,649) Jasper County (9,465) Hamilton County (8,084) Schuyler County (6,738) Brown County (6,546) Henderson County (6,535) Edwards County (6,356) Putnam County (5,716) Alexander County (5,497) Stark County (5,262) Pulaski County (5,201) Scott County (4,950) Gallatin County (4,793) Calhoun County (4,616) Pope County (4,142) Hardin County (3,808)