Orem, UT -- U.S. city in Utah Population (2000): 84324 Housing Units (2000): 24166 Land area (2000): 18.441216 sq. miles (47.762529 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 18.441216 sq. miles (47.762529 sq. km) FIPS code: 57300 Located within: Utah (UT), FIPS 49 Location: 40.298753 N, 111.696486 W ZIP Codes (1990): 84057 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Orem, UT Orem