'Smithfield, IL' definitions:

Smithfield, IL -- U.S. village in Illinois

From: Gazetteer 2000
Name :
Smithfield, IL -- U.S. village in Illinois
Population (2000) :
214
Housing Units (2000) :
103
Land area (2000) :
0.475523 sq. miles (1.231598 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
0.475523 sq. miles (1.231598 sq. km)
FIPS code :
70226
Located within :
Illinois (IL), FIPS 17
Location :
40.473086 N, 90.292639 W
ZIP Codes (1990) :
61477
Note :
some ZIP codes may be omitted esp. for suburbs.