San Juan County, Utah

San Juan County
County
San Juan County Courthouse, Monticello
Location within the U.S. state of Utah
Utah's location within the U.S.
Coordinates: 37°38′N 109°49′W / 37.63°N 109.81°W / 37.63; -109.81
Country	United States
State	Utah
Founded	February 17, 1880
Named for	San Juan River
Seat	Monticello
Largest city	Blanding
Area
• Total	7,933 sq mi (20,550 km2)
• Land	7,820 sq mi (20,300 km2)
• Water	113 sq mi (290 km2)  1.4%
Population  (2020)
• Total	14,518
• Density	1.8/sq mi (0.71/km2)
Time zone	UTC−7 (Mountain)
• Summer (DST)	UTC−6 (MDT)
Congressional district	3rd
Website	sanjuancounty.org

San Juan County (/sæn ˈwɑːn/ san-WAHN) is a county in the southeastern portion of the U.S. state of Utah. As of the 2020 United States Census, the population was 14,518.^[1] Its county seat is Monticello,^[2] while its most populous city is Blanding. The Utah State Legislature named the county for the San Juan River, itself named by Spanish explorers (in honor of Saint John).

San Juan County borders Arizona, Colorado, and New Mexico at the Four Corners.