| Subdistrict | Enum. district | # of links |
| McGillivray | 19 | 209 |
| Parkhill | 28 | 23 |
| Parkhill | 29 | 9 |
| Stratford | 35 | 8 |
| Ailsa Craig | 31 | 6 |
| McGillivray | 17 | 5 |
| McGillivray | 18 | 5 |
| Sarnia | 49 | 5 |
| London Township | 8 | 4 |
| Lobo | 13 | 4 |
| Parkhill | 30 | 3 |
| McGillivray | 20 | 2 |
| McGillivray | 16 | 2 |
| Southwold | 24 | 2 |
| McGillivray | 21 | 1 |
| London Township | 10 | 1 |
| McGillivray | 15 | 1 |
| Williams West | 25 | 1 |
| Lucan | 32 | 1 |
| Dorchester North Township | 1 | 1 |