| Index | Petrolia | Ontario | National |
| Median home price | $656,694 | $821,624 | $665,961 |
| Median rent asked | $982 | $2,456 | $2,146 |
| Avg. people per household | 2.4 | 2.6 | 2.5 |
| Owner occupied households | 80.7% | 69.3% | 67.6% |
| Renter occupied households | 19.3% | 30.5% | 32.0% |
| Population | Home Price | National Avg. | |
| Enniskillen, ON | 2,704 | $643,629 | 3% |
| Warwick, ON | 3,811 | $652,675 | 2% |
| St. Clair, ON | 14,919 | $662,186 | 1% |
| Brooke-Alvinston, ON | 2,469 | $667,563 | 0% |
| Plympton-Wyoming, ON | 8,517 | $686,263 | 3% |
| Petrolia, ON | 6,108 | $656,694 | 1% |
| Population | Home Price | National Avg. | |
| Les Coteaux, QC | 6,094 | $470,126 | 29% |
| Southwest Middlesex, ON | 6,087 | $704,242 | 6% |
| McMasterville, QC | 6,085 | $424,960 | 36% |
| Pictou, Subd. B, NS | 6,082 | $386,694 | 42% |
| Sainte-Martine, QC | 6,075 | $428,170 | 36% |
| Petrolia, ON | 6,108 | $656,694 | 1% |