| Subdistrict | Enum. district | # of links |
| Moore | 18 | 196 |
| Moore | 16 | 8 |
| Moore | 19 | 6 |
| Moore | 13 | 5 |
| Sarnia | 49 | 3 |
| Dresden | 40 | 3 |
| Sarnia | 44 | 3 |
| Moore | 20 | 2 |
| Sarnia | 34 | 2 |
| Moore | 17 | 2 |
| Sarnia | 50 | 2 |
| Sarnia | 29 | 1 |
| Toronto | 31 | 1 |
| Township 4 in range 22 west of the 1st M | 20 | 1 |
| Wallaceburg | 45 | 1 |
| Wyoming | 57 | 1 |