| Subdistrict | Enum. district | # of links |
| Lucan | 32 | 95 |
| Lucan | 33 | 14 |
| London | 8 | 8 |
| Sombra | 36 | 7 |
| London Township | 5 | 5 |
| Townships 37 | 11 | 4 |
| Norwick | 41 | 3 |
| London | 5 | 2 |
| St. Marys | 35 | 2 |
| Windham | 36 | 1 |
| Thorold | 49 | 1 |
| Wilmot | 11 | 1 |
| Ailsa Craig | 31 | 1 |
| London | 30 | 1 |
| McGillivray | 16 | 1 |
| Atlin | 29 | 1 |
| Woodstock | 41 | 1 |
| Biddulph | 5 | 1 |
| Biddulph | 7 | 1 |
| York | 10 | 1 |