'Lanark, IL' definitions:

Lanark, IL -- U.S. city in Illinois

From: Gazetteer 2000
Name :
Lanark, IL -- U.S. city in Illinois
Population (2000) :
1584
Housing Units (2000) :
693
Land area (2000) :
1.038187 sq. miles (2.688891 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
1.038187 sq. miles (2.688891 sq. km)
FIPS code :
41859
Located within :
Illinois (IL), FIPS 17
Location :
42.101346 N, 89.832120 W
ZIP Codes (1990) :
61046
Note :
some ZIP codes may be omitted esp. for suburbs.