La Sal, UT -- U.S. Census Designated Place in Utah Population (2000): 339 Housing Units (2000): 121 Land area (2000): 45.842534 sq. miles (118.731613 sq. km) Water area (2000): 0.162281 sq. miles (0.420307 sq. km) Total area (2000): 46.004815 sq. miles (119.151920 sq. km) FIPS code: 43110 Located within: Utah (UT), FIPS 49 Location: 38.302188 N, 109.268688 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: La Sal, UT La Sal