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County ProfileIL

DuPage County

Population: 932,877 · 49 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
932,877
People
Median age
40.2
Housing
Total households
350,758
Income
Median household income
$112,096
Housing
Total housing units
367,152
Employment
Employment rate
64.6%
Education
Bachelor’s degree or higher
51.8%
Healthcare
Insured population
94.8%
County details
Local time 01:48:02(CT)
NameDuPage
Total ZIP codes49total
ZIP codes (by type)
35 Standard7 PO Box7 Unique
Area code224, 331, 618, 630, 730, 847
TimezoneCentral Time (CT)
Coordinates41.8520577, -88.0860389
Land area327.9 sq miles(849.2 km²)

Map of DuPage county, Illinois with ZIP codes

Map of DuPage County, Illinois and ZIP codes

Cities and Communities in DuPage County

Compare the largest cities in DuPage County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Naperville149,540$155,1056ZIPs
Wheaton53,970$120,0082ZIPs
Downers Grove50,247$115,1142ZIPs
Elmhurst45,786$149,6441ZIPs
Lombard44,476$100,3621ZIPs
Bartlett41,105$133,2401ZIPs
Carol Stream39,854$102,3097ZIPs
Addison35,702$90,4311ZIPs
Woodridge34,158$101,0001ZIPs
Glendale Heights33,176$86,5451ZIPs
Glen Ellyn28,846$140,9382ZIPs
West Chicago25,614$99,9272ZIPs
Westmont24,429$88,0901ZIPs
Lisle24,223$107,4791ZIPs
Roselle22,897$111,3181ZIPs
Bloomingdale22,382$102,9282ZIPs
Villa Park22,263$95,0151ZIPs
Darien22,011$111,2151ZIPs
Bensenville18,813$79,5152ZIPs
Hinsdale17,395$250,0012ZIPs
Wood Dale14,012$91,3822ZIPs
Warrenville13,553$100,3211ZIPs
Winfield9,835$135,7951ZIPs
Itasca9,543$114,2941ZIPs
Willowbrook9,236$99,2391ZIPs
Clarendon Hills8,702$130,3881ZIPs
Oak Brook8,163$175,8701ZIPs
Medinah2,668—1ZIPs
Wayne2,286$161,7191ZIPs
Eola76—1ZIPs

— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in DuPage County

Review the most populated postal areas across DuPage County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
60148Lombard$100,61652,794
60126Elmhurst$147,56648,147
60564Naperville$181,38245,616
60540Naperville$157,10244,201
60188Carol Stream$103,62843,053
60103Bartlett$133,79341,740
60565Naperville$164,44740,300
60137Glen Ellyn$137,65838,985
60563Naperville$109,78337,997
60101Addison$90,80037,644
60185West Chicago$107,19434,775
60517Woodridge$99,02433,276
60139Glendale Heights$86,37233,196
60189Wheaton$128,87830,377
60187Wheaton$119,76930,059
60181Villa Park$92,14229,821
60515Downers Grove$123,19729,278
60527Willowbrook$106,54329,139
60532Lisle$102,08528,766
60516Downers Grove$115,48028,694

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS