| Statistic | Préville-en-haut | Saint-Lambert | Quebec |
| Population | 2,490 | 22,414 | 8,565,732 |
| Population density (sq km) | 5,698 | 2,978 | 6 |
| Median age | 57.9 | 49.8 | 42.6 |
| Male/Female ratio | 1.4:1 | 1.2:1 | 1.0:1 |
| Married couples | 50% | 54% | 50% |
| Families w/ kids at home | 26% | 41% | 40% |
| Speak English only | 4.3% | 4.3% | 4.7% |
| Speak French only | 21.7% | 21.9% | 49.5% |
| Data | Percent |
| Latin American | 3.2% |
| Arab | 2.7% |
| Chinese | 1.8% |
| Black | 1.8% |
| West Asian | 1.3% |
| Data | Percent |
| France | 1.7% |
| Romania | 1.1% |
| Morocco | 1.1% |
| United States | 1.1% |
| Colombia | 0.8% |