Records Browser
| Census subdivision | Census division | Province | Year | Total population |
|---|---|---|---|---|
| Lanark | Lanark | ON | 1851 | 2649 |
| Lancaster | Glengary | ON | 1851 | 4023 |
| Lansdowne | Leeds | ON | 1851 | 2439 |
| Lavant | Lanark | ON | 1851 | 98 |
| Leeds | Leeds | ON | 1851 | 2283 |
| Lobo | Middlesex | ON | 1851 | 2447 |
| Lochiel | Glengary | ON | 1851 | 4174 |
| Logan | Perth | ON | 1851 | 698 |
| London | Middlesex | ON | 1851 | 6735 |
| Long Point & Ryerson's Point | Norfolk | ON | 1851 |