Índice del Contenido
[25 de octubre] Resultados parciales por comunas de la Región de O'Higgins. Última actualización: 23:59 horas.
Provincia de Cachapoal
| COMUNA | APRUEBO | RECHAZO |
| Rancagua | 82,03% | 17,97% |
| Graneros | 85,21% | 14,79% |
| San Vicente | 82,73% | 17,27% |
| Machalí | 78,67% | 21,33% |
| Doñihue | 82,17% | 17,83% |
| Rengo | 82,73% | 17,27% |
| Coltauco | 82,17% | 17,83% |
| Olivar | 79,31% | 20,69% |
| Coinco | 78,87% | 21,13% |
| Requínoa | 82,73% | 12,27% |
| Las Cabras | 85,21% | 14,79% |
| Mostazal | 84,96% | 15,04% |
| Pichidegua | 83,32% | 16,68% |
| Peumo | 86,46% | 13,55% |
| Codegua | 85,25% | 14,75% |
| Quinta de Tilcoco | 85,56% | 14,44% |
| Malloa | 78,70% | 21,30% |
Provincia Colchagua
| COMUNA | APRUEBO | RECHAZO |
| San Fernando | 78,55% | 21,45% |
| Chimbarongo | 81,20% | |
| Nancagua | 75,37% | 24,63% |
| Santa Cruz | 78,13% | 21,87% |
| Placilla | 79,84% | 20,16% |
| Chépica | 77,13% | 22,87% |
| Lolol | 75,37% | 24,63% |
| Palmilla | 75,37% | 24,63% |
| Peralillo | 79,84% | 20,16% |
| Pumanque | 78,13% | 21,87% |
Provincia Cardenal Caro
| COMUNA | APRUEBO | RECHAZO |
| Litueche | 78,28% | 21,72% |
| Pichilemu | 82,73% | 17,27% |
| Navidad | 80,35% | 19,65% |
| Paredones | 80,35% | 19,65% |
| La Estrella | 78,62% | 21,38% |
| Marchigüe | 82,83% | 17,17% |
Fuente: Servel