Records Browser
| Census subdivision | Census division | Province | Year | Total population |
|---|---|---|---|---|
| Pembroke | Renfrew | ON | 1851 | 633 |
| Percy | Northumberland | ON | 1851 | 2605 |
| Perth, Town | Lanark | ON | 1851 | 1916 |
| Peterboro, Town | Peterboro | ON | 1851 | 2191 |
| Pickering | Ontario | ON | 1851 | 6737 |
| Picton, Town | Prince Edward | ON | 1851 | 1569 |
| Pilkington | Wellington | ON | 1851 | 1990 |
| Pittsburg | Frontenac | ON | 1851 | 3258 |
| Plantagenet, North | Prescott | ON | 1851 | 1202 |
| Plantagenet, South | Prescott | ON | 1851 | 643 |