| Subdistrict | Enum. district | # of links |
| Wainfleet | 38 | 163 |
| Wainfleet | 41 | 56 |
| Wainfleet | 39 | 29 |
| Welland | 53 | 11 |
| Fort Erie | 56 | 9 |
| Pelham | 22 | 9 |
| Welland | 51 | 8 |
| Pelham | 19 | 6 |
| Port Colborne | 57 | 5 |
| Wainfleet | 40 | 4 |
| Thorold | 33 | 4 |
| Stamford | 27 | 3 |
| Crowland | 9 | 3 |
| Niagara Falls | 46 | 3 |
| Pelham | 18 | 3 |
| Pelham | 21 | 2 |
| Wainfleet | 37 | 2 |
| Wainfleet | 36 | 2 |
| Humberstone | 13 | 1 |
| Welland | 52 | 1 |
| Thorold | 49 | 1 |
| Crowland | 7 | 1 |
| Humberstone | 14 | 1 |
| Pelham | 20 | 1 |