'Lake Forest, IL' definitions:
Lake Forest, IL -- U.S. city in Illinois
From: Gazetteer 2000
Name :
Lake Forest, IL -- U.S. city in Illinois
Population (2000) :
20059
Housing Units (2000) :
7001
Land area (2000) :
16.865323 sq. miles (43.680985 sq. km)
Water area (2000) :
0.048377 sq. miles (0.125297 sq. km)
Total area (2000) :
16.913700 sq. miles (43.806282 sq. km)
FIPS code :
41105
Located within :
Illinois (IL), FIPS 17
Location :
42.234788 N, 87.851042 W
ZIP Codes (1990) :
60045
Note :
some ZIP codes may be omitted esp. for suburbs.