| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Siaguaza | city | Sinaloa | Mexico | 26.00 | -109.29 | 124 | 19516 |
| Sialiboca | city | Sinaloa | Mexico | 26.29 | -109.22 | 3 | 882 |
| Sibajahui | city | Sinaloa | Mexico | 26.15 | -108.74 | 216 | 5303 |
| Sibiral | city | Sinaloa | Mexico | 26.29 | -108.57 | 830 | 1043 |
| Sibirijoa | city | Sinaloa | Mexico | 26.18 | -108.73 | 180 | 1043 |
| Sierrita Vado | city | Sinaloa | Mexico | 26.01 | -107.39 | 2805 | 596 |
| Sierrita de Aguines | city | Sinaloa | Mexico | 24.14 | -106.25 | 5029 | 447 |
| Sierrita de Potrerillos | city | Sinaloa | Mexico | 25.93 | -107.30 | 3349 | 596 |
| Sierrita del Piñal | city | Sinaloa | Mexico | 26.36 | -108.23 | 2631 | 924 |
| Siete Arados | city | Sinaloa | Mexico | 25.99 | -107.70 | 3349 | 1605 |
| Silva | city | Sinaloa | Mexico | 24.65 | -107.48 | 3 | 54032 |
| Simón Botas | city | Sinaloa | Mexico | 24.54 | -106.70 | 977 | 596 |
| Sinaloa | city | Sinaloa | Mexico | 25.12 | -108.00 | 42 | 8316 |
| Sinaloa | city | Sinaloa | Mexico | 25.82 | -108.22 | 249 | 2315 |
| Sinaloa de Leyva | city | Sinaloa | Mexico | 25.82 | -108.22 | 249 | 2315 |
| Sinaloita | city | Sinaloa | Mexico | 26.58 | -108.52 | 830 | 762 |
| Sinaloita | city | Sinaloa | Mexico | 25.82 | -108.22 | 249 | 2315 |
| Siqueros | city | Sinaloa | Mexico | 23.34 | -106.24 | 269 | 5444 |
| Siribijoa | city | Sinaloa | Mexico | 24.40 | -107.38 | 26 | 7749 |
| Sitio Pedregoza | city | Sinaloa | Mexico | 22.99 | -106.04 | 9 | 625 |
| Sitio Punta Poderosa | city | Sinaloa | Mexico | 22.99 | -106.03 | 9 | 674 |
| Sitio Vicente Lombardo Toledano | city | Sinaloa | Mexico | 22.97 | -106.12 | 9 | 402 |
| Sitio de Abajo | city | Sinaloa | Mexico | 25.47 | -107.62 | 980 | 596 |
| Sitio de Arriba | city | Sinaloa | Mexico | 25.48 | -107.64 | 1122 | 596 |
| Sitio de Enmedio | city | Sinaloa | Mexico | 25.47 | -107.63 | 1059 | 596 |
| Sitio de Potrerillos | city | Sinaloa | Mexico | 22.99 | -106.04 | 9 | 625 |
| Sitio la Guasima | city | Sinaloa | Mexico | 22.95 | -106.10 | 9 | 256 |
| Sitio las Coloradas | city | Sinaloa | Mexico | 22.96 | -106.11 | 9 | 344 |
| Sivajahui | city | Sinaloa | Mexico | 26.15 | -108.74 | 216 | 5303 |
| Sivirijoa | city | Sinaloa | Mexico | 26.18 | -108.73 | 180 | 1043 |
| Sivirojoa | city | Sinaloa | Mexico | 26.18 | -108.73 | 180 | 1043 |