| Subdistrict | Enum. district | # of links |
| Warwick | 43 | 195 |
| Watford | 67 | 11 |
| Watford | 68 | 9 |
| Enniskillen | 26 | 7 |
| Strathroy | 32 | 6 |
| Warwick | 44 | 5 |
| Townships 33 | 69 | 5 |
| Strathroy | 35 | 5 |
| Bosanquet | 1 | 5 |
| Sarnia | 53 | 4 |
| Brooke | 10 | 4 |
| Brooke | 17 | 4 |
| Plympton | 24 | 4 |
| Brooke | 14 | 4 |
| Petrolia | 57 | 4 |
| Warwick | 48 | 3 |
| Townships 32 | 2 | 3 |
| Sarnia | 49 | 3 |
| Plympton | 28 | 3 |
| Strathroy | 34 | 2 |
| Plympton | 27 | 2 |
| Brooke | 16 | 2 |
| Blenheim Township | 10 | 2 |
| Wyoming | 56 | 2 |
| Bosanquet | 3 | 2 |
| London Township | 9 | 1 |
| Carleton Place | 22 | 1 |
| Dunnville | 45 | 1 |
| Saskatoon | 34 | 1 |
| Norwich North | 10 | 1 |
| Adelaide | 3 | 1 |
| Arkona | 63 | 1 |
| Warwick | 45 | 1 |
| Townships 25 | 108 | 1 |