DuPage County, Illinois

DuPage County is located just west of Chicago in northeastern Illinois. With more than 900,000 residents, the county combines bustling suburbs with peaceful communities and offers a diverse mix of urban and natural landscapes. From the towering office buildings of Naperville to the serene forest preserves in Wheaton, DuPage County has a little of everything.

The county is known for its top-rated schools, making it a popular choice for families looking to settle in the area. The Morton Arboretum in Lisle is a local gem, covering about 1,700 acres of trees and plants from around the world. Visitors can also explore Naper Settlement, an outdoor museum that preserves and showcases 19th-century history.

DuPage County is also a major economic hub, with several Fortune 500 companies maintaining operations in the area. Despite extensive development and suburban growth, the county continues to offer plenty of green spaces and recreational areas, giving residents and visitors opportunities to enjoy the outdoors on weekends.

CategoryDetails
County NameDuPage County
County SeatWheaton
EtymologyNamed after the DuPage River, which runs through the county
Cities, Towns, and CommunitiesNaperville, Wheaton, Downers Grove, Elmhurst, Lombard, Oak Brook, Glen Ellyn, Addison, Bloomingdale, Lisle, Carol Stream, Hinsdale, West Chicago, and various other communities.
Interstates and HighwaysInterstate 55, Interstate 88, Interstate 290, Interstate 355, U.S. Highway 20, Illinois Route 38, Illinois Route 53, Illinois Route 56, Illinois Route 83
FIPS Code17-043
Total Area (Land and Water)336 square miles (land: 327 sq mi, water: 9 sq mi)
Adjacent Counties (and Direction)Cook County (Northeast), Will County (South), Kendall County (Southwest), Kane County (West)
Time ZoneCentral Time Zone (CT)
StateIllinois
Coordinates41.8584° N, 88.1080° W
Major LandmarksMorton Arboretum, Cantigny Park, Mayslake Peabody Estate, DuPage County Historical Museum, Brookfield Zoo
PopulationApproximately 935,000

PHYSICAL MAP

DuPage County Topographic Map

Cook County’s outline is somewhat jagged, particularly along the Lake Michigan shoreline. On a blank map, its shape appears as a collection of rough rectangular sections pieced together, creating a distinctive and irregular county boundary.

SATELLITE IMAGERY

DuPage County Satellite Map

In our DuPage County satellite map, urban areas such as Naperville and Wheaton stand out with dense development and extensive neighborhoods. Parks and forest preserves provide patches of green space that break up the urban landscape. Major highways, including I-88 and I-355, are also prominent features visible across the county.

OUTLINE MAP

DuPage County Blank Map

DuPage County has a roughly rectangular shape with a few slight irregularities along its boundaries. The West Branch of the DuPage River forms part of the county’s northern border. DuPage County does not share a border with another state.

Illinois County Map

Illinois map showing boundaries and locations.

Ready to explore Illinois? Discover counties full of surprises, from the energy of Chicago and Cook County to the quiet beauty of Shawnee National Forest. Explore rich history, farmland, natural scenery, and small-town charm with our Illinois county map. Find your next adventure and discover all that Illinois has to offer.

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