| Index | La Montagne de Westmount | Westmount | Quebec |
| Median home price | n/a | $1,987,000 | $492,735 |
| Median rent asked | n/a | n/a | $1,958 |
| Avg. people per household | 3.0 | 2.3 | 2.3 |
| Owner occupied households | 94.6% | 54.1% | 61.7% |
| Renter occupied households | 5.4% | 45.9% | 38.1% |
| Population | Home Price | National Avg. | |
| L'Île-Dorval, QC | 5 | n/a | |
| Beaconsfield, QC | 20,868 | n/a | |
| Lorraine, QC | 9,148 | n/a | |
| Côte-Saint-Luc, QC | 37,097 | n/a | |
| La Prairie, QC | 25,972 | n/a | |
| Westmount, QC | 22,392 | $1,987,000 | 201% |
| Population | Home Price | National Avg. | |
| Saint-Lambert, QC | 22,414 | $638,000 | 3% |
| Scugog, ON | 22,436 | $982,000 | 49% |
| Brockville, ON | 22,459 | n/a | |
| White Rock, BC | 22,468 | n/a | |
| Yellowknife, NT | 22,316 | n/a | |
| Westmount, QC | 22,392 | $1,987,000 | 201% |