Supai, AZ -- U.S. Census Designated Place in Arizona Population (2000): 0 Housing Units (2000): 0 Land area (2000): 1.715908 sq. miles (4.444181 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.715908 sq. miles (4.444181 sq. km) FIPS code: 71230 Located within: Arizona (AZ), FIPS 04 Location: 36.224139 N, 112.693957 W ZIP Codes (1990): 86435 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Supai, AZ Supai