St. Robert, MO -- U.S. city in Missouri Population (2000): 2760 Housing Units (2000): 1408 Land area (2000): 7.205379 sq. miles (18.661846 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 7.205379 sq. miles (18.661846 sq. km) FIPS code: 65144 Located within: Missouri (MO), FIPS 29 Location: 37.824550 N, 92.133499 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: St. Robert, MO St. Robert