Mamou, LA -- U.S. town in Louisiana Population (2000): 3566 Housing Units (2000): 1580 Land area (2000): 1.412303 sq. miles (3.657848 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.412303 sq. miles (3.657848 sq. km) FIPS code: 48085 Located within: Louisiana (LA), FIPS 22 Location: 30.634033 N, 92.418913 W ZIP Codes (1990): 70554 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Mamou, LA Mamou