County Seat: Bisbee
Founded: 1881
Area: 6,166 square miles
Population: 131,346 (2010)
Other Major Cities: Benson, Douglas, Sierra Vista, Willcox
Geographic Highlights: The Chiricahua Mountains are Cochise County’s best-known range, but others include the Dragoons and the Whetstones. Between Sierra Vista and Bisbee, the San Pedro Riparian National Conservation Area protects part of the San Pedro River, the last major undammed, free-flowing river in the American Southwest.