| Subdistrict | Enum. district | # of links |
| Niagara | 33 | 134 |
| Niagara | 35 | 13 |
| Niagara | 32 | 13 |
| Grantham | 17 | 6 |
| Grantham | 19 | 5 |
| St. Catharines | 43 | 5 |
| Grimsby North | 24 | 4 |
| Pelham | 21 | 4 |
| St. Catharines | 36 | 3 |
| Port Dalhousie | 56 | 3 |
| St. Catharines | 47 | 3 |
| Niagara | 50 | 2 |
| Toronto | 14 | 2 |
| Niagara | 48 | 2 |
| St. Catharines | 38 | 2 |
| Stamford | 24 | 2 |
| Niagara | 49 | 1 |
| St. Catharines | 40 | 1 |
| London | 11 | 1 |
| Brantford | 33 | 1 |
| Thorold | 34 | 1 |
| Clinton | 6 | 1 |