| Subdistrict | Enum. district | # of links |
| Howard | 23 | 115 |
| Howard | 21 | 98 |
| Thamesville | 48 | 14 |
| Ridgetown | 42 | 7 |
| Ridgetown | 43 | 5 |
| Orford | 32 | 5 |
| Howard | 18 | 4 |
| Ridgetown | 41 | 4 |
| Dawn | 3 | 4 |
| Chatham | 14 | 2 |
| Howard Township | 22 | 2 |
| Orford Township | 30 | 1 |
| London | 43 | 1 |
| Howard | 24 | 1 |
| Howard | 20 | 1 |
| Chatham | 10 | 1 |
| Zone | 35 | 1 |