Palmyra, UT -- U.S. Census Designated Place in Utah Population (2000): 485 Housing Units (2000): 148 Land area (2000): 11.489161 sq. miles (29.756789 sq. km) Water area (2000): 0.240344 sq. miles (0.622489 sq. km) Total area (2000): 11.729505 sq. miles (30.379278 sq. km) FIPS code: 57630 Located within: Utah (UT), FIPS 49 Location: 40.126648 N, 111.685291 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Palmyra, UT Palmyra