Oronogo, MO -- U.S. city in Missouri Population (2000): 976 Housing Units (2000): 403 Land area (2000): 2.016133 sq. miles (5.221759 sq. km) Water area (2000): 0.026895 sq. miles (0.069657 sq. km) Total area (2000): 2.043028 sq. miles (5.291416 sq. km) FIPS code: 54920 Located within: Missouri (MO), FIPS 29 Location: 37.190202 N, 94.467289 W ZIP Codes (1990): 64855 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Oronogo, MO Oronogo