| Subdistrict | Enum. district | # of links |
| Bothwell | 36 | 28 |
| Zone | 34 | 19 |
| Metcalfe | 22 | 8 |
| Ridgetown | 43 | 7 |
| Euphemia | 40 | 6 |
| St. Thomas | 35 | 5 |
| Collingwood | 38 | 4 |
| Mosa | 29 | 3 |
| Bothwell | 37 | 3 |
| London | 33 | 2 |
| Rodney | 40 | 2 |
| Aldoborough | 5 | 1 |
| Orford Township | 31 | 1 |
| Camden | 6 | 1 |
| Southwold | 17 | 1 |
| Sombra | 43 | 1 |
| Wallaceburg | 45 | 1 |
| St. Thomas | 37 | 1 |
| Niagara Falls | 44 | 1 |
| Malahide | 11 | 1 |