| Subdistrict | Enum. district | # of links |
| Petrolia | 58 | 158 |
| Petrolia | 56 | 28 |
| Petrolia | 60 | 20 |
| Petrolia | 55 | 8 |
| Petrolia | 59 | 7 |
| Enniskillen | 34 | 6 |
| Enniskillen | 20 | 5 |
| Sarnia | 53 | 4 |
| Petrolia | 54 | 2 |
| Strathroy | 30 | 2 |
| Point Edward | 60 | 2 |
| London | 39 | 2 |
| Petrolia | 52 | 2 |
| Warwick | 43 | 2 |
| Sarnia | 32 | 1 |
| St. Thomas | 37 | 1 |
| Chatham | 45 | 1 |
| Sarnia | 47 | 1 |
| Keppel | 12 | 1 |
| Enniskillen | 31 | 1 |
| St. Thomas | 30 | 1 |
| London | 30 | 1 |
| ward 3 | 7 | 1 |
| Petrolia | 53 | 1 |
| Leamington | 55 | 1 |
| Canboro | 2 | 1 |