| Subdistrict | Enum. district | # of links |
| Moore | 20 | 193 |
| Moore | 18 | 10 |
| Sarnia | 52 | 9 |
| Enniskillen | 33 | 7 |
| Townships 39 | 21 | 7 |
| Enniskillen | 30 | 6 |
| Sarnia | 34 | 5 |
| Petrolia | 59 | 4 |
| Nichol | 20 | 4 |
| Sarnia | 49 | 3 |
| Sarnia | 29 | 3 |
| Enniskillen | 20 | 3 |
| Petrolia | 55 | 3 |
| Moore | 13 | 2 |
| Atlin | 27 | 2 |
| Zorra East | 26 | 1 |
| Township 31 in ranges 26 | 121 | 1 |
| Petrolia | 53 | 1 |
| Dawn | 8 | 1 |
| Sarnia | 50 | 1 |
| Petrolia | 56 | 1 |
| Sombra | 43 | 1 |