| Subdistrict | Enum. district | # of links |
| Willoughby | 43 | 238 |
| Chippewa | 55 | 21 |
| Willoughby | 42 | 11 |
| Niagara Falls | 46 | 6 |
| Niagara Falls | 44 | 5 |
| Stamford | 27 | 5 |
| Stamford | 28 | 5 |
| Fort Erie | 56 | 5 |
| Stamford | 29 | 3 |
| Thorold | 35 | 2 |
| Niagara Falls | 48 | 2 |
| Niagara Falls | 47 | 2 |
| Humberstone | 15 | 1 |
| Niagara Falls | 45 | 1 |
| Humberstone | 11 | 1 |
| Bertie | 4 | 1 |
| Humberstone | 12 | 1 |