Tremonton, UT -- U.S. city in Utah Population (2000): 5592 Housing Units (2000): 1822 Land area (2000): 5.241654 sq. miles (13.575822 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 5.241654 sq. miles (13.575822 sq. km) FIPS code: 77120 Located within: Utah (UT), FIPS 49 Location: 41.709383 N, 112.173778 W ZIP Codes (1990): 84337 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Tremonton, UT Tremonton