| Subdistrict | Enum. district | # of links |
| Sombra | 36 | 328 |
| Sombra | 39 | 53 |
| Wallaceburg | 45 | 19 |
| Chatham | 14 | 18 |
| Wallaceburg | 46 | 13 |
| Sombra | 42 | 9 |
| Moore | 12 | 8 |
| Wallaceburg | 47 | 8 |
| Chatham | 12 | 8 |
| Tilbury North | 35 | 6 |
| Township 29 in ranges 5 | 7 | 6 |
| Sombra | 38 | 6 |
| Townships 22 | 36 | 5 |
| Walsingham South | 31 | 5 |
| Petrolia | 55 | 5 |
| Grey | 3 | 5 |
| Sombra | 41 | 4 |
| Dresden | 40 | 4 |
| Ridgetown | 41 | 4 |
| Sombra | 43 | 4 |
| Mersea | 28 | 4 |
| Sarnia | 48 | 4 |
| Dover | 7 | 3 |
| Sarnia | 51 | 2 |
| Winnipeg | 40 | 2 |
| Dresden | 39 | 2 |
| Nissouri West Township | 16 | 2 |
| Castor | 35 | 2 |
| Chatham | 11 | 2 |
| Dover | 3 | 1 |
| Walsingham North | 29 | 1 |
| Chatham | 13 | 1 |
| Biddulph | 6 | 1 |
| Chatham | 55 | 1 |
| Mosa | 29 | 1 |
| O`Connor | 11 | 1 |
| Dover | 5 | 1 |
| North Battleford | 48 | 1 |
| Sombra | 35 | 1 |
| Brooke | 11 | 1 |
| Aylmer | 24 | 1 |
| Crowland | 9 | 1 |
| Chatham | 49 | 1 |
| Blue | 39 | 1 |