San Juan -- U.S. County in Utah Population (2000): 14413 Housing Units (2000): 5449 Land area (2000): 7820.176215 sq. miles (20254.162556 sq. km) Water area (2000): 112.912769 sq. miles (292.442718 sq. km) Total area (2000): 7933.088984 sq. miles (20546.605274 sq. km) Located within: Utah (UT), FIPS 49 Location: 37.425462 N, 109.506642 W Headwords: San Juan San Juan, UT San Juan County San Juan County, UT