| Subdistrict | Enum. district | # of links |
| Sarnia | 46 | 66 |
| Sarnia | 49 | 32 |
| Sarnia | 50 | 13 |
| Sarnia | 47 | 6 |
| Sarnia | 44 | 5 |
| Sombra | 40 | 5 |
| London | 8 | 5 |
| Brantford | 15 | 5 |
| Windham | 40 | 5 |
| Sarnia | 51 | 4 |
| Sarnia | 29 | 2 |
| Moore | 17 | 2 |
| Niagara Falls | 44 | 2 |
| Norwich South | 14 | 2 |
| Strathroy | 31 | 2 |
| Moore | 16 | 2 |
| Aylmer | 24 | 1 |
| London | 30 | 1 |
| Moore | 13 | 1 |
| Warwick | 46 | 1 |
| Moore | 19 | 1 |
| Townships 21 | 20 | 1 |
| Patterson Township | 28 | 1 |
| Brooke | 9 | 1 |
| Petrolia | 57 | 1 |
| Westminster Township | 23 | 1 |