7 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Sierra Vista | 1 | 44,365 | 45,400 | -0.39% | 291 | 152 | City |
| Douglas | 2 | 15,473 | 16,511 | -1.11% | 1,550 | 10 | City |
| Benson | 3 | 5,548 | 5,400 | 0.45% | 133 | 42 | City |
| Bisbee | 4 | 4,976 | 4,919 | 0.2% | 961 | 5 | City |
| Willcox | 5 | 3,211 | 3,228 | -0.09% | 485 | 7 | City |
| Huachuca City | 6 | 1,592 | 1,627 | -0.38% | 563 | 3 | Town |
| Tombstone | 7 | 1,419 | 1,308 | 1.36% | 153 | 9 | City |
Sierra Vista is the largest city in Cochise County, with a population of 44,365.
Tombstone is the smallest city in Cochise County, with a population of 1,419.
There are 7 cities in Cochise County, Arizona.