| Subdistrict | Enum. district | # of links |
| St. Robert Parish | 20 | 179 |
| St. Joseph de Sorel | 6 | 8 |
| St. Robert | 19 | 5 |
| Sorel | 26 | 4 |
| Sorel | 29 | 4 |
| St. Bernard | 28 | 4 |
| Sorel | 31 | 4 |
| Sorel | 27 | 3 |
| St. Roch de Richelieu | 16 | 2 |
| Pierreville | 20 | 1 |
| Ste. Victoire | 21 | 1 |
| St. Pierre de Sorel | 15 | 1 |
| Fort Coulonge | 42 | 1 |