| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ilama | city | Sinaloa | Mexico | 25.26 | -108.18 | 32 | 3576 |
| Ilamacingo | city | Puebla | Mexico | 18.01 | -98.24 | 3349 | 3573 |
| Ilamatlán | city | Veracruz | Mexico | 20.78 | -98.44 | 3690 | 6618 |
| Ilamos | city | Mexico | Mexico | 18.80 | -100.16 | 3349 | 15789 |
| Ilapan | city | Durango | Mexico | 24.21 | -104.64 | 6200 | 4662 |
| Ilapan Viejo | city | Durango | Mexico | 24.21 | -104.64 | 6200 | 4662 |
| Ildefonso Green | city | Baja California Sur | Mexico | 22.89 | -109.92 | 98 | 7538 |
| Ildelfonso Turrubiates | city | San Luis Potosi | Mexico | 21.93 | -99.87 | 3713 | 3216 |
| Iletla | city | Puebla | Mexico | 19.18 | -98.01 | 10068 | 91679 |
| Ilhuicamina | city | Durango | Mexico | 25.71 | -103.60 | 4189 | 51079 |
| Iliatenco | city | Guerrero | Mexico | 17.05 | -98.69 | 3349 | 4651 |
| Ilita | city | Puebla | Mexico | 19.85 | -97.47 | 6013 | 48178 |
| Iliyucan | city | Puebla | Mexico | 19.64 | -97.93 | 8441 | 6132 |
| Illescas | city | San Luis Potosi | Mexico | 23.24 | -102.14 | 6709 | 284 |
| Illescas | city | Queretaro | Mexico | 20.72 | -99.89 | 6738 | 8167 |
| Illozingo | city | Guerrero | Mexico | 17.94 | -98.74 | 3697 | 3283 |
| Ilmatlan | city | Veracruz | Mexico | 20.78 | -98.44 | 3690 | 6618 |
| Ilotepec | city | Puebla | Mexico | 19.79 | -97.87 | 7723 | 5396 |
| Iluapam | city | Veracruz | Mexico | 18.34 | -95.15 | 1669 | 9756 |
| Iluminado San Pedro | city | Jalisco | Mexico | 20.29 | -102.59 | 5111 | 22862 |
| Ilusion | city | Colima | Mexico | 19.04 | -103.90 | 390 | 10727 |
| Ilusion Santo Domingo | city | Chiapas | Mexico | 17.02 | -91.69 | 2696 | 1490 |
| Ilusión San José | city | Chiapas | Mexico | 17.02 | -91.69 | 2696 | 1490 |
| Ilustre, Heroica y Generosa Ciudad y Puerto de Alvarado | city | Veracruz | Mexico | 18.77 | -95.76 | 3 | 30539 |