| Subdistrict | Enum. district | # of links |
| Warwick | 44 | 280 |
| Thedford | 66 | 13 |
| Warwick | 46 | 11 |
| Watford | 68 | 10 |
| Adelaide | 3 | 9 |
| Plympton | 25 | 8 |
| Forest | 51 | 7 |
| Township 17 in ranges 17 | 10 | 6 |
| Warwick | 42 | 6 |
| Watford | 67 | 5 |
| Forest | 49 | 5 |
| Brooke | 16 | 5 |
| Forest | 50 | 5 |
| Brooke | 15 | 4 |
| Plympton | 22 | 4 |
| Moore | 18 | 4 |
| Strathroy | 30 | 4 |
| Warwick | 45 | 4 |
| Sarnia | 53 | 4 |
| Adelaide | 1 | 3 |
| Warwick | 48 | 3 |
| Parkhill | 28 | 3 |
| Euphemia | 39 | 3 |
| Townships 11 | 4 | 3 |
| Townships 30 | 1 | 3 |
| Plympton | 28 | 2 |
| London | 15 | 2 |
| Sarnia | 49 | 1 |
| London Township | 7 | 1 |
| London | 12 | 1 |
| Bosanquet | 1 | 1 |
| Warwick | 43 | 1 |
| Moore | 13 | 1 |
| Strathroy | 35 | 1 |
| Sarnia | 29 | 1 |
| Plympton | 21 | 1 |