17 cities
| City | 2026 Pop. ↓ |
|---|---|
| Iztapalapa | 1,815,786 |
| Irapuato | 496,681 |
| Iztacalco | 384,326 |
| Ixtapaluca | 322,271 |
| Iguala de la Independencia | 122,790 |
| Ixtapa-Zihuatanejo | 67,408 |
| Izucar de Matamoros | 46,510 |
| Ixmiquilpan | 39,217 |
| Ixtapa | 29,036 |
| Isla | 28,229 |
| Ixtlan del Rio | 26,582 |
| Ixtaczoquitlan | 26,187 |
| Ixtepec | 25,381 |
| Ixtapan de la Sal | 23,558 |
| Izamal | 18,044 |
| Isla Mujeres | 12,642 |
| Ixhuatlan del Sureste | 10,149 |