'Monticello, IL' definitions:

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

From: Gazetteer 2000
Name :
Monticello, IL -- U.S. city in Illinois
Population (2000) :
5138
Housing Units (2000) :
2226
Land area (2000) :
2.979123 sq. miles (7.715893 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
2.979123 sq. miles (7.715893 sq. km)
FIPS code :
50244
Located within :
Illinois (IL), FIPS 17
Location :
40.028092 N, 88.573003 W
ZIP Codes (1990) :
61856
Note :
some ZIP codes may be omitted esp. for suburbs.