Normal, IL -- U.S. town in Illinois Population (2000): 45386 Housing Units (2000): 15683 Land area (2000): 13.618924 sq. miles (35.272851 sq. km) Water area (2000): 0.062083 sq. miles (0.160793 sq. km) Total area (2000): 13.681007 sq. miles (35.433644 sq. km) FIPS code: 53234 Located within: Illinois (IL), FIPS 17 Location: 40.512189 N, 88.988701 W ZIP Codes (1990): 61761 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Normal, IL Normal