Morrison, IL -- U.S. city in Illinois Population (2000): 4447 Housing Units (2000): 1898 Land area (2000): 2.140502 sq. miles (5.543875 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 2.140502 sq. miles (5.543875 sq. km) FIPS code: 50530 Located within: Illinois (IL), FIPS 17 Location: 41.809258 N, 89.967953 W ZIP Codes (1990): 61270 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Morrison, IL Morrison