| Subdistrict | Enum. district | # of links |
| Williams West | 26 | 193 |
| Parkhill | 30 | 20 |
| Parkhill | 29 | 13 |
| Williams West | 27 | 13 |
| Parkhill | 28 | 10 |
| Delaware Township | 11 | 6 |
| McGillivray | 20 | 5 |
| Williams East | 22 | 4 |
| Strathroy | 31 | 2 |
| Williams East | 23 | 2 |
| London | 11 | 1 |
| Toronto | 36 | 1 |
| Dresden | 39 | 1 |
| Townships 12 | 5 | 1 |
| Townships 46 | 13 | 1 |
| Ailsa Craig | 31 | 1 |
| Adelaide | 1 | 1 |