| Subdistrict | Enum. district | # of links |
| Bothwell | 36 | 98 |
| Bothwell | 37 | 21 |
| London | 32 | 4 |
| London | 37 | 3 |
| Humberstone | 12 | 3 |
| Windsor | 42 | 3 |
| Walkerville | 46 | 3 |
| Petrolia | 53 | 3 |
| Dereham | 1 | 3 |
| Townships 1 | 53 | 3 |
| Strathroy | 34 | 3 |
| Houghton | 8 | 2 |
| London Township | 10 | 2 |
| Euphemia | 41 | 1 |
| Glencoe | 36 | 1 |
| Stephen | 19 | 1 |
| Chatham | 53 | 1 |
| Parkhill | 28 | 1 |
| Aylmer | 26 | 1 |
| Chatham | 55 | 1 |
| London | 8 | 1 |
| London Township | 8 | 1 |