Gideon, MO -- U.S. city in Missouri Population (2000): 1113 Housing Units (2000): 465 Land area (2000): 1.799243 sq. miles (4.660018 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.799243 sq. miles (4.660018 sq. km) FIPS code: 26974 Located within: Missouri (MO), FIPS 29 Location: 36.454799 N, 89.918691 W ZIP Codes (1990): 63848 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Gideon, MO Gideon