'Illiopolis, IL' definitions:

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

From: Gazetteer 2000
Name :
Illiopolis, IL -- U.S. village in Illinois
Population (2000) :
916
Housing Units (2000) :
390
Land area (2000) :
0.451910 sq. miles (1.170441 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
0.451910 sq. miles (1.170441 sq. km)
FIPS code :
37127
Located within :
Illinois (IL), FIPS 17
Location :
39.851351 N, 89.247131 W
ZIP Codes (1990) :
62539
Note :
some ZIP codes may be omitted esp. for suburbs.