61103 -- U.S. ZIP code
Municipality (1990): ROCKFORD, Illinois
All ZIPs for this municipality (1990):
61101 61102 61103 61104 61107 61108
61109 61112
Population (2000): 24368
Housing Units (2000): 10979
Land area (2000): 16.154656 sq. miles (41.840366 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 16.154656 sq. miles (41.840366 sq. km)
Located within: Illinois (IL)
Location: 42.303365 N, 89.082462 W