DuPage County

DuPage County, Illinois

421 N County Farm Rd
Wheaton, IL 60187
Phone: (630) 407-5500
Fax: (630) 407-5501
www.dupageco.org

In northeast IL, west of Chicago; organized Feb 9, 1839 from Cook County. Name Origin: For the DuPage River, from the French name of a local Indian chief

Area (sq mi):: 336.55 (land 333.61; water 2.95) Population per square mile: 2785.00
Population 2005: 929,113 State rank: 2 Population change: 2000-20005 2.80%; 1990-2000 15.70% Population 2000: 904,161 (White 78.70%; Black or African American 3.10%; Hispanic or Latino 9.00%; Asian 7.90%; Other 5.00%). Foreign born: 15.30%. Median age: 35.20
Income 2000: per capita $31,315; median household $67,887; Population below poverty level: 3.60% Personal per capita income (2000-2003): $46,233-$44,739
Unemployment (2004): 4.90% Unemployment change (from 2000): 1.10% Median travel time to work: 29.00 minutes Working outside county of residence: 40.80%
Cities with population over 10,000:
  • Aurora (166,614)
  • Naperville (140,106)
  • Wheaton County seat (54,979)
  • Downers Grove (49,302)
  • Elmhurst (44,352)
  • Lombard (42,975)
  • Carol Stream (40,267)
  • Bartlett (37,773)
  • Hanover Park (37,391)
  • Addison (37,040)
  • Woodridge (33,943)
  • Glendale Heights (32,729)
  • Glen Ellyn (27,214)
  • West Chicago (26,063)
  • Westmont (24,820)
  • Roselle (23,367)
  • Darien (22,923)
  • Villa Park (22,795)
  • Lisle (22,321)
  • Bloomingdale (21,903)
  • Bensenville (20,594)
  • Hinsdale (17,632)
  • Wood Dale (13,388)
  • Warrenville (13,293)

  • See other counties in Illinois.