| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| I. Allende | city | Sinaloa | Mexico | 25.17 | -108.06 | 82 | 4264 |
| Ibarra | city | Sinaloa | Mexico | 25.68 | -109.02 | 9 | 6975 |
| Ibarra | city | Sinaloa | Mexico | 25.09 | -107.67 | 213 | 8673 |
| Ibonia | city | Sinaloa | Mexico | 24.26 | -106.76 | 830 | 625 |
| Ibonia | city | Sinaloa | Mexico | 24.46 | -106.94 | 830 | 745 |
| Ibonia | city | Sinaloa | Mexico | 24.26 | -106.79 | 925 | 685 |
| Ibonillas | city | Sinaloa | Mexico | 24.46 | -106.94 | 830 | 745 |
| Idalia | city | Sinaloa | Mexico | 24.58 | -107.55 | 13 | 31773 |
| Ignacio | city | Sinaloa | Mexico | 26.07 | -107.47 | 2854 | 596 |
| Ignacio Allende | city | Sinaloa | Mexico | 25.17 | -108.06 | 82 | 4264 |
| Ignacio Zaragoza | city | Sinaloa | Mexico | 23.56 | -106.00 | 1669 | 1043 |
| Ignacio Zaragoza | city | Sinaloa | Mexico | 26.18 | -108.92 | 160 | 1159 |
| Igualama | city | Sinaloa | Mexico | 26.52 | -108.31 | 1190 | 1012 |
| Igualamo | city | Sinaloa | Mexico | 25.81 | -107.27 | 2673 | 596 |
| Ilama | city | Sinaloa | Mexico | 25.26 | -108.18 | 32 | 3576 |
| Imala | city | Sinaloa | Mexico | 24.86 | -107.22 | 275 | 5453 |
| Independencia | city | Sinaloa | Mexico | 25.06 | -107.92 | 32 | 5095 |
| Independencia | city | Sinaloa | Mexico | 25.17 | -108.11 | 45 | 3527 |
| Infiernitos | city | Sinaloa | Mexico | 25.69 | -108.36 | 91 | 5138 |
| Ingeniero Emilio Alvarez Ibarra | city | Sinaloa | Mexico | 25.45 | -108.26 | 72 | 5242 |
| Ingenio | city | Sinaloa | Mexico | 24.76 | -107.70 | 55 | 59796 |
| Ipucha | city | Sinaloa | Mexico | 24.33 | -106.75 | 1669 | 730 |
| Iraguato | city | Sinaloa | Mexico | 24.63 | -107.67 | 29 | 7032 |
| Iragueto | city | Sinaloa | Mexico | 24.63 | -107.67 | 29 | 7032 |
| Iripa | city | Sinaloa | Mexico | 25.74 | -107.87 | 987 | 1893 |
| Isabel | city | Sinaloa | Mexico | 25.69 | -109.05 | 13 | 5935 |
| Isabeles | city | Sinaloa | Mexico | 24.53 | -107.43 | 22 | 12063 |
| Isabelita | city | Sinaloa | Mexico | 24.52 | -107.42 | 16 | 9823 |
| Isao | city | Sinaloa | Mexico | 23.15 | -105.74 | 1669 | 1043 |
| Isla La Piedra | city | Sinaloa | Mexico | 23.19 | -106.41 | 0 | 42985 |
| Isla de Palmito del Verde | city | Sinaloa | Mexico | 22.65 | -105.80 | 9 | 1698 |
| Isla de las Palomas | city | Sinaloa | Mexico | 24.61 | -107.88 | 0 | 3948 |
| Isla del Bosque | city | Sinaloa | Mexico | 22.73 | -105.85 | 16 | 1957 |
| Isleta | city | Sinaloa | Mexico | 25.42 | -108.13 | 154 | 23141 |
| Italia | city | Sinaloa | Mexico | 24.81 | -107.82 | 16 | 6720 |
| Ixpalino | city | Sinaloa | Mexico | 23.92 | -106.62 | 278 | 447 |
| Ixtagua | city | Sinaloa | Mexico | 23.84 | -106.30 | 1151 | 458 |
| Ixtahua | city | Sinaloa | Mexico | 23.84 | -106.30 | 1151 | 458 |
| Ixtitán | city | Sinaloa | Mexico | 23.97 | -106.33 | 1669 | 447 |
| Ixtitán | city | Sinaloa | Mexico | 23.99 | -106.35 | 830 | 447 |