LaSalle County

LaSalle County, Illinois

707 E Etna Rd
Ottawa, IL 61350
Phone: (815) 434-8205
Fax: (815) 434-8319
www.lasallecounty.org

In north-central IL southwest of Chicago; organized Jan 15, 1831 from Putnam and Vermilion counties. Name Origin: For Robert Cavelier (1643-87), Sieur de La Salle, French adventurer and explorer who claimed the land west of the Mississippi River for France

Area (sq mi):: 1148.04 (land 1134.92; water 13.12) Population per square mile: 99.20
Population 2005: 112,604 State rank: 16 Population change: 2000-20005 1.00%; 1990-2000 4.30% Population 2000: 111,509 (White 91.90%; Black or African American 1.50%; Hispanic or Latino 5.20%; Asian 0.50%; Other 2.90%). Foreign born: 2.70%. Median age: 38.10
Income 2000: per capita $19,185; median household $40,308; Population below poverty level: 9.10% Personal per capita income (2000-2003): $25,622-$25,493
Unemployment (2004): 7.50% Unemployment change (from 2000): 0.90% Median travel time to work: 22.50 minutes Working outside county of residence: 26.70% Cities with population over 10,000:
  • Ottawa County seat (18,684)
  • Streator (13,995)
    • See other counties in Illinois.