'Sullivan, IL' definitions:

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

From: Gazetteer 2000
Name :
Sullivan, IL -- U.S. city in Illinois
Population (2000) :
4326
Housing Units (2000) :
1945
Land area (2000) :
2.039138 sq. miles (5.281342 sq. km)
Water area (2000) :
0.004158 sq. miles (0.010770 sq. km)
Total area (2000) :
2.043296 sq. miles (5.292112 sq. km)
FIPS code :
73495
Located within :
Illinois (IL), FIPS 17
Location :
39.598270 N, 88.610038 W
ZIP Codes (1990) :
61951
Note :
some ZIP codes may be omitted esp. for suburbs.