| Subdistrict | Enum. district | # of links |
| Thorold | 32 | 188 |
| Crowland | 8 | 8 |
| Niagara Falls | 46 | 7 |
| Crowland | 9 | 6 |
| Thorold | 49 | 5 |
| Crowland | 7 | 5 |
| Humberstone | 15 | 3 |
| Welland | 53 | 3 |
| Port Colborne | 57 | 3 |
| Thorold | 34 | 2 |
| Thorold | 35 | 2 |
| Welland | 51 | 2 |
| Niagara Falls | 44 | 1 |
| Stamford | 28 | 1 |
| Niagara Falls | 47 | 1 |
| Niagara Falls | 45 | 1 |
| Niagara Falls | 48 | 1 |
| Thorold | 50 | 1 |
| Franklin | 6 | 1 |
| Humberstone | 13 | 1 |