| Subdistrict | Enum. district | # of links |
| Parkhill | 30 | 214 |
| Parkhill | 29 | 22 |
| Parkhill | 28 | 21 |
| Sarnia | 47 | 8 |
| London | 9 | 5 |
| Preston | 24 | 4 |
| London | 10 | 4 |
| Woodstock | 47 | 4 |
| London | 17 | 4 |
| Ailsa Craig | 31 | 4 |
| Townships 50 | 39 | 4 |
| ward 4 | 49 | 3 |
| Petrolia | 52 | 3 |
| Berlin | 35 | 2 |
| Sarnia | 44 | 1 |
| Fernie | 9 | 1 |
| Bosanquet | 1 | 1 |
| Bosanquet | 7 | 1 |
| London Township | 11 | 1 |
| Guelph | 32 | 1 |
| Brantford | 5 | 1 |
| McGillivray | 18 | 1 |
| London | 1 | 1 |