Dubach, LA -- U.S. town in Louisiana Population (2000): 800 Housing Units (2000): 390 Land area (2000): 1.424605 sq. miles (3.689709 sq. km) Water area (2000): 0.043049 sq. miles (0.111496 sq. km) Total area (2000): 1.467654 sq. miles (3.801205 sq. km) FIPS code: 21800 Located within: Louisiana (LA), FIPS 22 Location: 32.699768 N, 92.657286 W ZIP Codes (1990): 71235 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Dubach, LA Dubach