Platte City, MO -- U.S. city in Missouri Population (2000): 3866 Housing Units (2000): 1569 Land area (2000): 3.369846 sq. miles (8.727861 sq. km) Water area (2000): 0.039714 sq. miles (0.102858 sq. km) Total area (2000): 3.409560 sq. miles (8.830719 sq. km) FIPS code: 58178 Located within: Missouri (MO), FIPS 29 Location: 39.361775 N, 94.774672 W ZIP Codes (1990): 64079 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Platte City, MO Platte City