| Subdistrict | Enum. district | # of links |
| Biddulph | 5 | 168 |
| Lucan | 32 | 10 |
| Lucan | 33 | 9 |
| Biddulph | 8 | 6 |
| London Township | 8 | 6 |
| Goderich | 18 | 6 |
| McGillivray | 15 | 5 |
| Biddulph | 7 | 4 |
| McGillivray | 16 | 3 |
| Parkhill | 28 | 3 |
| Parkhill | 29 | 2 |
| Brantford | 33 | 2 |
| London | 13 | 1 |
| Nissouri East | 22 | 1 |
| Norwich North | 7 | 1 |
| Wallaceburg | 47 | 1 |