Erath, LA -- U.S. town in Louisiana Population (2000): 2187 Housing Units (2000): 887 Land area (2000): 1.504438 sq. miles (3.896477 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.504438 sq. miles (3.896477 sq. km) FIPS code: 24180 Located within: Louisiana (LA), FIPS 22 Location: 29.959939 N, 92.035220 W ZIP Codes (1990): 70533 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Erath, LA Erath