Greenlee County, Arizona

Greenlee County
County
Benjamin F. Billingsley House in Duncan, Arizona
Seal
Location within the U.S. state of Arizona
Arizona's location within the U.S.
Coordinates: 33°06′06″N 109°16′07″W / 33.1017°N 109.2686°W / 33.1017; -109.2686
Country	United States
State	Arizona
Founded	March 10, 1909
Named for	Mason Greenlee
Seat	Clifton
Largest town	Clifton
Area
• Total	1,848 sq mi (4,790 km2)
• Land	1,843 sq mi (4,770 km2)
• Water	5.3 sq mi (14 km2)  0.3%
Population  (2020)
• Total	9,563
• Estimate  (2023)	9,369
• Density	5.2/sq mi (2.0/km2)
Time zone	UTC−7 (Mountain)
Congressional district	6th
Website	www.co.greenlee.az.us

Greenlee County is a county in the southeastern part of the U.S. state of Arizona. As of the 2020 census, the population was 9,563,^[1] making it Arizona's least populous county. The county seat is Clifton.

The economy of Greenlee County is dominated by the Morenci Mine, the largest copper mining operation in North America, and one of the largest copper mines in the world. As of 2017^[update], the mine complex, owned by Freeport-McMoRan, had about 3,300 employees.^{[citation needed]}