Howardville, MO -- U.S. city in Missouri Population (2000): 342 Housing Units (2000): 158 Land area (2000): 0.229530 sq. miles (0.594481 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.229530 sq. miles (0.594481 sq. km) FIPS code: 33364 Located within: Missouri (MO), FIPS 29 Location: 36.567455 N, 89.598924 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Howardville, MO Howardville