| Statistic | Sault-Saint-Louis | Montréal | Quebec |
| Population | 45,823 | 1,811,008 | 8,565,732 |
| Population density (sq km) | 6,004 | 4,984 | 6 |
| Median age | 44.0 | 38.7 | 42.6 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married couples | 60% | 54% | 50% |
| Families w/ kids at home | 41% | 41% | 40% |
| Speak English only | 15.9% | 10.2% | 4.7% |
| Speak French only | 20.5% | 29.8% | 49.5% |
| Data | Percent |
| Black | 11.6% |
| Chinese | 6.9% |
| Latin American | 3.9% |
| South Asian | 3.5% |
| Arab | 3.5% |
| Data | Percent |
| China | 4.3% |
| Italy | 2.4% |
| Algeria | 1.6% |
| India | 1.4% |
| Other Caribbean And Bahamas | 1.1% |