Fairfield, AL -- U.S. city in Alabama Population (2000): 12381 Housing Units (2000): 4960 Land area (2000): 3.533611 sq. miles (9.152009 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 3.533611 sq. miles (9.152009 sq. km) FIPS code: 25120 Located within: Alabama (AL), FIPS 01 Location: 33.476908 N, 86.916842 W ZIP Codes (1990): 35064 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Fairfield, AL Fairfield