'Decatur, IL' definitions:
Decatur, IL -- U.S. city in Illinois
From: Gazetteer 2000
Name :
Decatur, IL -- U.S. city in Illinois
Population (2000) :
81860
Housing Units (2000) :
37239
Land area (2000) :
41.559540 sq. miles (107.638710 sq. km)
Water area (2000) :
4.316898 sq. miles (11.180714 sq. km)
Total area (2000) :
45.876438 sq. miles (118.819424 sq. km)
FIPS code :
18823
Located within :
Illinois (IL), FIPS 17
Location :
39.851636 N, 88.944228 W
ZIP Codes (1990) :
62521 62522 62523
Note :
some ZIP codes may be omitted esp. for suburbs.