| Subdistrict | Enum. district | # of links |
| Alvinston | 62 | 167 |
| London | 13 | 15 |
| Alvinston | 61 | 14 |
| Brooke | 11 | 9 |
| Toronto | 25 | 5 |
| Strathroy | 34 | 4 |
| Euphemia | 37 | 4 |
| Brooke | 15 | 4 |
| Sarnia | 53 | 4 |
| Glencoe | 36 | 4 |
| Petrolia | 58 | 4 |
| Thorold | 49 | 3 |
| London | 5 | 3 |
| Sarnia | 44 | 3 |
| Caradoc Township | 3 | 2 |
| Strathroy | 30 | 2 |
| West half of township 55 in range 23 west of the 4th M | 13 | 2 |
| Port Dover | 52 | 1 |
| Brooke | 12 | 1 |
| Bothwell | 37 | 1 |
| Brooke | 10 | 1 |
| Mosa | 24 | 1 |
| Brooke | 8 | 1 |
| Cranbrook | 20 | 1 |
| North Battleford | 48 | 1 |
| Chatham | 11 | 1 |
| Orford Township | 31 | 1 |
| Ekfrid | 12 | 1 |