Charleston, UT -- U.S. town in Utah Population (2000): 378 Housing Units (2000): 131 Land area (2000): 1.675909 sq. miles (4.340584 sq. km) Water area (2000): 0.192500 sq. miles (0.498573 sq. km) Total area (2000): 1.868409 sq. miles (4.839157 sq. km) FIPS code: 12420 Located within: Utah (UT), FIPS 49 Location: 40.466850 N, 111.468680 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Charleston, UT Charleston