| Subdistrict | Enum. district | # of links |
| Howick | 7 | 11 |
| Howick | 8 | 7 |
| Brussels | 25 | 6 |
| Wingham | 22 | 6 |
| Wroxeter | 27 | 5 |
| Grey | 1 | 5 |
| Petrolia | 55 | 4 |
| Saskatoon | 34 | 3 |
| Grey | 4 | 3 |
| London | 12 | 2 |
| McGillivray | 17 | 1 |
| Clinton | 16 | 1 |
| London | 9 | 1 |
| Nissouri West | 17 | 1 |
| Townships 5 | 58 | 1 |
| London Township | 9 | 1 |
| Township 19 in ranges 25 | 7 | 1 |