'Oregon, IL' definitions:

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

From: Gazetteer 2000
Name :
Oregon, IL -- U.S. city in Illinois
Population (2000) :
4060
Housing Units (2000) :
1789
Land area (2000) :
2.031493 sq. miles (5.261543 sq. km)
Water area (2000) :
0.079135 sq. miles (0.204958 sq. km)
Total area (2000) :
2.110628 sq. miles (5.466501 sq. km)
FIPS code :
56484
Located within :
Illinois (IL), FIPS 17
Location :
42.013061 N, 89.333030 W
ZIP Codes (1990) :
61061
Note :
some ZIP codes may be omitted esp. for suburbs.