| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Iglesia | city | Sonora | Mexico | 28.70 | -109.98 | 1669 | 0 |
| Ignacio F. Pesqueira | city | Sonora | Mexico | 27.21 | -110.28 | 9 | 1029 |
| Ignacio M. Altamirano | city | Sonora | Mexico | 29.61 | -112.05 | 830 | 0 |
| Ignacio Ramirez | city | Sonora | Mexico | 28.73 | -111.33 | 232 | 894 |
| Ignacio Ramirez Numero Dos | city | Sonora | Mexico | 28.54 | -111.45 | 72 | 894 |
| Ignacio Soto | city | Sonora | Mexico | 28.72 | -111.65 | 72 | 894 |
| Ignacio Soto | city | Sonora | Mexico | 30.41 | -111.09 | 2509 | 156 |
| Ignacio Soto Número Dos | city | Sonora | Mexico | 28.77 | -111.54 | 147 | 894 |
| Ignacio Zaragoza | city | Sonora | Mexico | 31.08 | -110.11 | 5029 | 151 |
| Ignacio Zaragoza | city | Sonora | Mexico | 32.30 | -114.19 | 830 | 471 |
| Ignacio Zaragoza | city | Sonora | Mexico | 28.58 | -111.59 | 59 | 894 |
| Ignacio Zaragoza | city | Sonora | Mexico | 28.85 | -111.32 | 311 | 894 |
| Igualama | city | Sonora | Mexico | 28.55 | -109.40 | 1965 | 54 |
| Igualamos | city | Sonora | Mexico | 27.25 | -108.88 | 1049 | 269 |
| Igualamos | city | Sonora | Mexico | 27.23 | -108.87 | 1223 | 274 |
| Igualitaria | city | Sonora | Mexico | 28.01 | -110.64 | 95 | 9059 |
| Ijisia Masa | city | Sonora | Mexico | 29.09 | -112.17 | 78 | 436 |
| Immaculada | city | Sonora | Mexico | 29.93 | -111.79 | 2509 | 0 |
| Imuris | city | Sonora | Mexico | 30.78 | -110.86 | 2752 | 444 |
| Inde | city | Sonora | Mexico | 28.57 | -109.07 | 3428 | 288 |
| Independencia | city | Sonora | Mexico | 27.36 | -110.16 | 49 | 1043 |
| Independencia | city | Sonora | Mexico | 27.36 | -108.93 | 830 | 298 |
| Independencia | city | Sonora | Mexico | 32.25 | -114.92 | 65 | 1043 |
| Indigenas del Mayo | city | Sonora | Mexico | 27.05 | -109.87 | 13 | 1881 |
| Infiernito | city | Sonora | Mexico | 28.87 | -111.53 | 190 | 894 |
| Infiernito | city | Sonora | Mexico | 28.85 | -111.34 | 318 | 894 |
| Ingénio Rascón | city | Sonora | Mexico | 30.15 | -112.20 | 1669 | 0 |
| Injerto | city | Sonora | Mexico | 30.50 | -111.17 | 2509 | 2105 |
| Inmaculada | city | Sonora | Mexico | 29.93 | -111.79 | 2509 | 0 |
| Inmaculada | city | Sonora | Mexico | 28.66 | -111.46 | 150 | 894 |
| Inmaculadita | city | Sonora | Mexico | 29.93 | -111.79 | 2509 | 0 |
| Insurgentes de Pueblo Yaqui | city | Sonora | Mexico | 26.39 | -109.12 | 59 | 3013 |
| Introito | city | Sonora | Mexico | 29.69 | -110.78 | 1807 | 227 |
| Irrigacion | city | Sonora | Mexico | 27.13 | -109.84 | 39 | 20114 |
| Irrigación | city | Sonora | Mexico | 32.18 | -114.92 | 42 | 1043 |
| Isla del Carmen | city | Sonora | Mexico | 28.61 | -111.39 | 144 | 894 |
| Isla las Viejas | city | Sonora | Mexico | 26.70 | -109.52 | 3 | 3464 |
| Islas | city | Sonora | Mexico | 29.50 | -110.70 | 1669 | 149 |
| Isleta | city | Sonora | Mexico | 26.86 | -108.90 | 830 | 298 |
| Isleta Capoy | city | Sonora | Mexico | 26.87 | -108.87 | 964 | 298 |
| Islita | city | Sonora | Mexico | 32.38 | -114.87 | 98 | 1835 |
| Islita | city | Sonora | Mexico | 32.38 | -114.89 | 91 | 1043 |
| Italia | city | Sonora | Mexico | 29.15 | -110.63 | 1669 | 894 |
| Italia | city | Sonora | Mexico | 28.02 | -110.88 | 85 | 8071 |