Logan, UT -- U.S. city in Utah Population (2000): 42670 Housing Units (2000): 14692 Land area (2000): 16.518130 sq. miles (42.781759 sq. km) Water area (2000): 0.536339 sq. miles (1.389112 sq. km) Total area (2000): 17.054469 sq. miles (44.170871 sq. km) FIPS code: 45860 Located within: Utah (UT), FIPS 49 Location: 41.737878 N, 111.830846 W ZIP Codes (1990): 84321 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Logan, UT Logan