Monroe, UT -- U.S. city in Utah Population (2000): 1845 Housing Units (2000): 707 Land area (2000): 3.536643 sq. miles (9.159864 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 3.536643 sq. miles (9.159864 sq. km) FIPS code: 51360 Located within: Utah (UT), FIPS 49 Location: 38.629338 N, 112.120275 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Monroe, UT Monroe