'Humboldt, IL' definitions:

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

From: Gazetteer 2000
Name :
Humboldt, IL -- U.S. village in Illinois
Population (2000) :
481
Housing Units (2000) :
199
Land area (2000) :
0.561808 sq. miles (1.455075 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
0.561808 sq. miles (1.455075 sq. km)
FIPS code :
36542
Located within :
Illinois (IL), FIPS 17
Location :
39.604140 N, 88.319676 W
ZIP Codes (1990) :
61931
Note :
some ZIP codes may be omitted esp. for suburbs.