29 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Sierra Vista | 1 | 44,537 | 45,322 | -0.39% | 292 | 152 | City |
| Sierra Vista | 2 | 44,537 | 45,400 | -0.39% | 292 | 152 | City |
| Douglas | 3 | 15,646 | 16,533 | -1.09% | 1,568 | 10 | City |
| Douglas | 4 | 15,646 | 16,511 | -1.09% | 1,568 | 10 | City |
| Sierra Vista Southeast | 5 | 14,298 | 16,152 | -0.24% | 129 | 111 | CDP |
| Benson | 6 | 5,523 | 5,406 | 0.44% | 133 | 42 | City |
| Benson | 7 | 5,523 | 5,400 | 0.44% | 133 | 42 | City |
| Bisbee | 8 | 4,966 | 4,922 | 0.18% | 959 | 5 | City |
| Bisbee | 9 | 4,966 | 4,919 | 0.18% | 959 | 5 | City |
| Whetstone | 10 | 3,405 | 2,995 | 7.14% | 36 | 94 | CDP |
| Willcox | 11 | 3,214 | 3,233 | -0.09% | 485 | 7 | City |
| Willcox | 12 | 3,214 | 3,228 | -0.09% | 485 | 7 | City |
| Huachuca City | 13 | 1,598 | 1,630 | -0.37% | 565 | 3 | Town |
| Huachuca City | 14 | 1,598 | 1,627 | -0.37% | 565 | 3 | Town |
| Pirtleville | 15 | 1,418 | 1,233 | -1.53% | 761 | 2 | CDP |
| Tombstone | 16 | 1,400 | 1,308 | 1.3% | 151 | 9 | City |
| Tombstone | 17 | 1,400 | 1,308 | 1.3% | 151 | 9 | City |
| Mescal | 18 | 1,382 | 1,403 | -2.06% | 281 | 5 | CDP |
| Naco | 19 | 1,225 | 1,156 | 0.99% | 379 | 3 | CDP |
| St. David | 20 | 1,200 | 1,481 | -2.76% | 198 | 6 | CDP |
| Sunsites | 21 | 915 | 813 | 7.14% | 1,027 | 1 | CDP |
| J-Six Ranchettes | 22 | 735 | 787 | 7.14% | 163 | 5 | CDP |
| Miracle Valley | 23 | 719 | 741 | 0.7% | 1,319 | 1 | CDP |
| Bowie | 24 | 435 | 313 | -0.23% | 255 | 2 | CDP |
| Palominas | 25 | 291 | 170 | 1.75% | 149 | 2 | CDP |
| Elfrida | 26 | 245 | 293 | -5.77% | 40 | 6 | CDP |
| San Simon | 27 | 235 | 180 | 2.17% | 308 | 1 | CDP |
| Sunizona | 28 | 201 | 247 | -2.43% | 22 | 9 | CDP |
| McNeal | 29 | 165 | 243 | -2.94% | 44 | 4 | CDP |
Sierra Vista is the largest city in Cochise County, with a population of 44,537.
McNeal is the smallest city in Cochise County, with a population of 165.
There are 29 cities in Cochise County, Arizona.