| Subdistrict | Enum. district | # of links |
| Caradoc | 2 | 221 |
| Metcalfe | 22 | 12 |
| Strathroy | 33 | 10 |
| Strathroy | 35 | 9 |
| Caradoc | 6 | 7 |
| Caradoc | 1 | 7 |
| Strathroy | 34 | 7 |
| Williams West | 27 | 6 |
| Metcalfe Township | 21 | 6 |
| Strathroy | 30 | 6 |
| Metcalfe | 20 | 5 |
| Zone | 35 | 5 |
| Strathroy | 32 | 4 |
| Delaware | 10 | 4 |
| Lobo | 12 | 4 |
| Caradoc | 5 | 3 |
| Lobo | 11 | 2 |
| Townships 12 | 10 | 2 |
| London Township | 9 | 2 |
| London | 9 | 1 |
| Williams East | 23 | 1 |
| London | 16 | 1 |
| Nissouri West Township | 16 | 1 |
| Westminster Township | 20 | 1 |
| Bothwell | 37 | 1 |
| Dorchester North Township | 2 | 1 |
| Ekfrid Township | 14 | 1 |
| Warwick | 42 | 1 |