| Subdistrict | Enum. district | # of links |
| Dawn | 6 | 109 |
| Enniskillen | 21 | 14 |
| Dawn | 9 | 10 |
| Dawn | 2 | 8 |
| Townships 34 | 34 | 7 |
| Townships 12 | 6 | 6 |
| Caradoc | 1 | 6 |
| Dawn | 5 | 5 |
| Lobo | 11 | 4 |
| Sarnia | 48 | 3 |
| Euphemia | 38 | 3 |
| Brooke | 8 | 3 |
| Dawn | 1 | 3 |
| Petrolia | 58 | 3 |
| Thedford | 66 | 3 |
| Oil Springs | 64 | 2 |
| Dawn | 10 | 2 |
| Woodhouse | 42 | 2 |
| Brantford | 25 | 2 |
| Alvinston | 62 | 2 |
| Moore | 18 | 1 |
| Sarnia | 29 | 1 |
| Enniskillen | 20 | 1 |
| Winnipeg | 36 | 1 |
| Townships 1 | 1 | 1 |
| Sarnia | 45 | 1 |