- Established on February 1, 1881 from the eastern portion of Pima County
- County seat is Bisbee, and the most populated city is Sierra Vista (~ 45 000)
- Cochise County is 6,219 square miles, which is about the size of Rhode Island and Connecticut combined
- An important agricultural area, and Willcox is home to Arizona's largest weekly cattle auction
- Cochise County is named after Cochise, a Chiricahua Apache war chief who was a key war leader during the Apache Wars
- County population: ~ 126 000