'Potomac, IL' definitions:
Potomac, IL -- U.S. village in Illinois
From: Gazetteer 2000
Name :
Potomac, IL -- U.S. village in Illinois
Population (2000) :
681
Housing Units (2000) :
277
Land area (2000) :
0.483486 sq. miles (1.252222 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
0.483486 sq. miles (1.252222 sq. km)
FIPS code :
61366
Located within :
Illinois (IL), FIPS 17
Location :
40.306351 N, 87.799987 W
ZIP Codes (1990) :
61865
Note :
some ZIP codes may be omitted esp. for suburbs.