DuPage County Map, Illinois

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DuPage County, Illinois

DuPage County sits just west of Chicago in northeastern Illinois. It’s a mix of bustling suburbs and quiet towns, with over 900,000 people calling it home. The county has a bit of everything, including towering office buildings in Naperville and serene forest preserves in Wheaton.

You’ll find top-notch schools here, which is why so many families choose to settle down in DuPage. The Morton Arboretum in Lisle is a local gem, boasting 1,700 acres of trees and plants from around the world. Here, you can also explore the Naper Settlement, an outdoor 19th-century museum.

DuPage County is also a major economic hub, with several Fortune 500 companies setting up shop here. Despite all the development, there’s still plenty of green space to enjoy on weekends.

Category	Details
County Name	DuPage County
County Seat	Wheaton
Population	Approximately 935,000
Cities, Towns, and Communities	Naperville, Wheaton, Downers Grove, Elmhurst, Lombard, Oak Brook, Glen Ellyn, Addison, Bloomingdale, Lisle, Carol Stream, Hinsdale, West Chicago, and various other communities.
Interstates and Highways	Interstate 55, Interstate 88, Interstate 290, Interstate 355, U.S. Highway 20, Illinois Route 38, Illinois Route 53, Illinois Route 56, Illinois Route 83
FIPS Code	17-043
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 Zone	Central Time Zone (CT)
State	Illinois
Coordinates	41.8584° N, 88.1080° W
Etymology	Named after the DuPage River, which runs through the county
Major Landmarks	Morton Arboretum, Cantigny Park, Mayslake Peabody Estate, DuPage County Historical Museum, Brookfield Zoo
Website	DuPage County Website