| Subdistrict | Enum. district | # of links |
| Plympton | 28 | 287 |
| Plympton | 25 | 12 |
| Wyoming | 57 | 8 |
| Plympton | 22 | 8 |
| Lobo | 11 | 5 |
| Enniskillen | 24 | 4 |
| Petrolia | 58 | 3 |
| Plympton | 24 | 3 |
| Petrolia | 57 | 2 |
| Brooke | 14 | 2 |
| London | 13 | 2 |
| Sarnia | 46 | 2 |
| Sarnia | 49 | 2 |
| Wyoming | 56 | 2 |
| Forest | 49 | 1 |
| London Township | 7 | 1 |
| Sarnia | 31 | 1 |
| ward 5 | 62 | 1 |
| Moore | 16 | 1 |
| Sarnia | 29 | 1 |