Owensville, MO -- U.S. city in Missouri Population (2000): 2500 Housing Units (2000): 1202 Land area (2000): 2.020165 sq. miles (5.232202 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 2.020165 sq. miles (5.232202 sq. km) FIPS code: 55640 Located within: Missouri (MO), FIPS 29 Location: 38.346591 N, 91.499878 W ZIP Codes (1990): 65066 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Owensville, MO Owensville