'Rockford, IL' definitions:

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

Name :

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

Population (2000) :

150115

Housing Units (2000) :

63570

Land area (2000) :

56.005476 sq. miles (145.053512 sq. km)

Water area (2000) :

0.713381 sq. miles (1.847647 sq. km)

Total area (2000) :

56.718857 sq. miles (146.901159 sq. km)

FIPS code :

65000

Located within :

Illinois (IL), FIPS 17

Location :

42.269770 N, 89.069754 W

ZIP Codes (1990) :

61101 61102 61103 61104 61107 61108

Note :

some ZIP codes may be omitted esp. for suburbs.