'West Chicago, IL' definitions:

West Chicago, IL -- U.S. city in Illinois

From: Gazetteer 2000
Name :
West Chicago, IL -- U.S. city in Illinois
Population (2000) :
23469
Housing Units (2000) :
6567
Land area (2000) :
13.838768 sq. miles (35.842243 sq. km)
Water area (2000) :
0.004154 sq. miles (0.010758 sq. km)
Total area (2000) :
13.842922 sq. miles (35.853001 sq. km)
FIPS code :
80060
Located within :
Illinois (IL), FIPS 17
Location :
41.888378 N, 88.209659 W
ZIP Codes (1990) :
60185
Note :
some ZIP codes may be omitted esp. for suburbs.