Vernal, UT -- U.S. city in Utah Population (2000): 7714 Housing Units (2000): 2957 Land area (2000): 4.582314 sq. miles (11.868137 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 4.582314 sq. miles (11.868137 sq. km) FIPS code: 80090 Located within: Utah (UT), FIPS 49 Location: 40.454758 N, 109.535471 W ZIP Codes (1990): 84078 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Vernal, UT Vernal