Cardiff, AL -- U.S. town in Alabama Population (2000): 82 Housing Units (2000): 38 Land area (2000): 0.204350 sq. miles (0.529264 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.204350 sq. miles (0.529264 sq. km) FIPS code: 12040 Located within: Alabama (AL), FIPS 01 Location: 33.645384 N, 86.932965 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Cardiff, AL Cardiff