| Subdistrict | Enum. district | # of links |
| Stephen | 20 | 36 |
| Exeter | 38 | 14 |
| Galt | 17 | 8 |
| Townships 12 | 7 | 7 |
| McGillivray | 17 | 5 |
| Exeter | 39 | 5 |
| London | 5 | 5 |
| Brantford | 22 | 4 |
| Townships 1 | 1 | 3 |
| London | 13 | 3 |
| Ailsa Craig | 31 | 2 |
| New Westminster | 2 | 2 |
| Westminster Township | 20 | 1 |
| Hay | 5 | 1 |
| Kingsville | 50 | 1 |
| London | 9 | 1 |
| Williams West | 27 | 1 |
| Berlin | 35 | 1 |
| London | 30 | 1 |
| London | 8 | 1 |
| Sarnia | 53 | 1 |