Alton, UT -- U.S. town in Utah Population (2000): 134 Housing Units (2000): 49 Land area (2000): 0.369286 sq. miles (0.956446 sq. km) Water area (2000): 0.000158 sq. miles (0.000410 sq. km) Total area (2000): 0.369444 sq. miles (0.956856 sq. km) FIPS code: 00870 Located within: Utah (UT), FIPS 49 Location: 37.440045 N, 112.481912 W ZIP Codes (1990): 84710 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Alton, UT Alton