Will County

Will County, Illinois

302 N Chicago St
Joliet, IL 60432
Phone: (815) 740-4615
Fax: (815) 740-4699
www.willcountyillinois.com

On the northeastern border of IL, south of Chicago; organized Jan 12, 1836 from Cook and Iroquois counties. Name Origin: For Dr. Conrad Will (1779-1835), physician and IL legislator

Area (sq mi):: 849.39 (land 836.94; water 12.45) Population per square mile: 768.10
Population 2005: 642,813 State rank: 4 Population change: 2000-20005 28.00%; 1990-2000 40.60% Population 2000: 502,266 (White 77.40%; Black or African American 10.50%; Hispanic or Latino 8.70%; Asian 2.20%; Other 5.40%). Foreign born: 7.10%. Median age: 33.30
Income 2000: per capita $24,613; median household $62,238; Population below poverty level: 4.90% Personal per capita income (2000-2003): $29,948-$29,312
Unemployment (2004): 5.90% Unemployment change (from 2000): 0.70% Median travel time to work: 32.00 minutes Working outside county of residence: 55.60%
Cities with population over 10,000:
  • Joliet County seat (129,519)
  • Romeoville (35,020)
  • Plainfield (24,647)
  • Homer Glen (24,138)
  • New Lenox (22,528)
  • Lockport (20,587)
  • Crest Hill (18,025)
  • Mokena (16,529)
  • Frankfort (14,667)
  • Channahon (11,038)
  • Shorewood (10,987)

  • See other counties in .