| Subdistrict | Enum. district | # of links |
| Plympton | 27 | 225 |
| Wyoming | 57 | 14 |
| Enniskillen | 34 | 7 |
| Moore | 16 | 6 |
| Wyoming | 56 | 4 |
| Romney | 32 | 4 |
| Warwick | 43 | 3 |
| Oxford North | 21 | 3 |
| Plympton | 25 | 3 |
| Sarnia | 49 | 2 |
| Sarnia | 46 | 2 |
| Watford | 67 | 2 |
| Moore | 20 | 1 |
| Warwick | 44 | 1 |
| Petrolia | 57 | 1 |
| Enniskillen | 32 | 1 |
| Plympton | 21 | 1 |
| Courtright | 54 | 1 |
| Enniskillen | 35 | 1 |
| Sarnia | 34 | 1 |
| Plympton | 24 | 1 |