Montz, LA -- U.S. Census Designated Place in Louisiana Population (2000): 1120 Housing Units (2000): 395 Land area (2000): 2.817427 sq. miles (7.297103 sq. km) Water area (2000): 0.690533 sq. miles (1.788473 sq. km) Total area (2000): 3.507960 sq. miles (9.085576 sq. km) FIPS code: 51795 Located within: Louisiana (LA), FIPS 22 Location: 30.018513 N, 90.450683 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Montz, LA Montz