Richland, MO -- U.S. city in Missouri Population (2000): 1805 Housing Units (2000): 932 Land area (2000): 2.268563 sq. miles (5.875550 sq. km) Water area (2000): 0.018580 sq. miles (0.048121 sq. km) Total area (2000): 2.287143 sq. miles (5.923671 sq. km) FIPS code: 61562 Located within: Missouri (MO), FIPS 29 Location: 37.858875 N, 92.402788 W ZIP Codes (1990): 65556 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Richland, MO Richland