| Statistic | Préville-en-bas | Saint-Lambert | Quebec |
| Population | 3,290 | 22,414 | 8,565,732 |
| Population density (sq km) | 4,141 | 2,978 | 6 |
| Median age | 49.9 | 49.8 | 42.6 |
| Male/Female ratio | 1.1:1 | 1.2:1 | 1.0:1 |
| Married couples | 66% | 54% | 50% |
| Families w/ kids at home | 40% | 41% | 40% |
| Speak English only | 5.6% | 4.3% | 4.7% |
| Speak French only | 24.7% | 21.9% | 49.5% |
| Data | Percent |
| Latin American | 8.5% |
| Arab | 4.2% |
| West Asian | 2.3% |
| Black | 2.2% |
| Southeast Asian | 1.7% |
| Data | Percent |
| Colombia | 4.3% |
| France | 3.0% |
| Egypt | 2.1% |
| Morocco | 1.8% |
| Romania | 1.7% |