Richmond, MO -- U.S. city in Missouri Population (2000): 6116 Housing Units (2000): 2651 Land area (2000): 5.755042 sq. miles (14.905489 sq. km) Water area (2000): 0.019767 sq. miles (0.051197 sq. km) Total area (2000): 5.774809 sq. miles (14.956686 sq. km) FIPS code: 61670 Located within: Missouri (MO), FIPS 29 Location: 39.277550 N, 93.975907 W ZIP Codes (1990): 64085 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Richmond, MO Richmond