Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | San Luis (city), AZ | 35,257 |
| 2 | Fortuna Foothills (CDP), AZ | 27,776 |
| 3 | Somerton (city), AZ | 14,197 |
| 4 | Avenue B and C (CDP), AZ | 4,101 |
| 5 | Donovan Estates (CDP), AZ | 1,295 |
| 6 | Gadsden (CDP), AZ | 571 |
| 7 | Rancho Mesa Verde (CDP), AZ | 571 |
| 8 | Orange Grove Mobile Manor (CDP), AZ | 495 |
| 9 | El Prado Estates (CDP), AZ | 320 |
| 10 | Wall Lane (CDP), AZ | 262 |
| 11 | Drysdale (CDP), AZ | 225 |
| 12 | Padre Ranchitos (CDP), AZ | 133 |
| 13 | Buckshot (CDP), AZ | 70 |
Identifiers: CDP · city
| Rank | Community | Population |
|---|---|---|
| 1 | Fortuna Foothills (CDP), AZ | 27,776 |
| 2 | Somerton (city), AZ | 14,197 |
| 3 | Avenue B and C (CDP), AZ | 4,101 |
| 4 | Donovan Estates (CDP), AZ | 1,295 |
| 5 | Gadsden (CDP), AZ | 571 |
| 6 | Rancho Mesa Verde (CDP), AZ | 571 |
| 7 | Orange Grove Mobile Manor (CDP), AZ | 495 |
| 8 | El Prado Estates (CDP), AZ | 320 |
| 9 | Wall Lane (CDP), AZ | 262 |
| 10 | Drysdale (CDP), AZ | 225 |
| 11 | Padre Ranchitos (CDP), AZ | 133 |
| 12 | Buckshot (CDP), AZ | 70 |