| Subdistrict | Enum. district | # of links |
| Grantham | 20 | 102 |
| St. Catharines | 44 | 15 |
| Louth | 28 | 10 |
| Pelham | 21 | 7 |
| St. Catharines | 37 | 5 |
| Pelham | 23 | 5 |
| St. Catharines | 38 | 4 |
| St. Catharines | 43 | 4 |
| Merritton | 53 | 4 |
| Chatham | 47 | 4 |
| St. Catharines | 47 | 4 |
| Sundridge | 41 | 4 |
| St. Catharines | 40 | 4 |
| Clinton | 6 | 3 |
| Pelham | 17 | 2 |
| Thorold | 49 | 2 |
| Louth | 30 | 2 |
| St. Catharines | 39 | 2 |
| Clinton | 8 | 2 |
| Vancouver City | 34 | 1 |
| Toronto | 20 | 1 |
| Hagersville | 47 | 1 |
| Thorold | 31 | 1 |
| Townships 29 | 22 | 1 |
| Niagara Falls | 48 | 1 |
| Niagara Falls | 45 | 1 |
| Louth | 31 | 1 |
| Townships 30 | 3 | 1 |
| Newmarket | 34 | 1 |
| Pelham | 22 | 1 |
| St. Catharines | 36 | 1 |