22 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Sierra Vista | 1 | 43,792 | 45,389 | -0.72% | 287 | 152.44 | City |
| Douglas | 2 | 15,051 | 16,518 | -1.91% | 1,508 | 9.98 | City |
| Sierra Vista Southeast | 3 | 14,298 | 16,152 | -0.24% | 129 | 110.70 | CDP |
| Benson | 4 | 5,331 | 5,346 | -0.06% | 128 | 41.64 | City |
| Bisbee | 5 | 5,042 | 4,921 | 0.48% | 974 | 5.18 | City |
| Whetstone | 6 | 3,405 | 2,995 | 7.14% | 36 | 93.96 | CDP |
| Willcox | 7 | 3,185 | 3,227 | -0.25% | 481 | 6.62 | City |
| Huachuca City | 8 | 1,582 | 1,627 | -0.57% | 560 | 2.83 | Town |
| Pirtleville | 9 | 1,418 | 1,233 | -1.53% | 761 | 1.86 | CDP |
| Mescal | 10 | 1,382 | 1,403 | -2.06% | 281 | 4.92 | CDP |
| Tombstone | 11 | 1,314 | 1,309 | 0.08% | 142 | 9.25 | City |
| Naco | 12 | 1,225 | 1,156 | 0.99% | 379 | 3.23 | CDP |
| St. David | 13 | 1,200 | 1,481 | -2.76% | 198 | 6.05 | CDP |
| Sunsites | 14 | 915 | 813 | 7.14% | 1,027 | 0.89 | CDP |
| J-Six Ranchettes | 15 | 735 | 787 | 7.14% | 163 | 4.52 | CDP |
| Miracle Valley | 16 | 719 | 741 | 0.7% | 1,319 | 0.55 | CDP |
| Bowie | 17 | 435 | 313 | -0.23% | 255 | 1.71 | CDP |
| Palominas | 18 | 291 | 170 | 1.75% | 149 | 1.95 | CDP |
| Elfrida | 19 | 245 | 293 | -5.77% | 40 | 6.06 | CDP |
| San Simon | 20 | 235 | 180 | 2.17% | 308 | 0.76 | CDP |
| Sunizona | 21 | 201 | 247 | -2.43% | 22 | 9.16 | CDP |
| McNeal | 22 | 165 | 243 | -2.94% | 44 | 3.75 | CDP |
Sierra Vista is the largest city in Cochise County, with a population of 43,792.
McNeal is the smallest city in Cochise County.
There are 22 cities in Cochise County, Arizona.