| Statistic | Sainte-Marie | Montréal | Quebec |
| Population | 41,344 | 1,811,008 | 8,565,732 |
| Population density (sq km) | 10,364 | 4,984 | 6 |
| Median age | 36.6 | 38.7 | 42.6 |
| Male/Female ratio | 0.7:1 | 1.0:1 | 1.0:1 |
| Married couples | 32% | 54% | 50% |
| Families w/ kids at home | 23% | 41% | 40% |
| Speak English only | 4.9% | 10.2% | 4.7% |
| Speak French only | 28.2% | 29.8% | 49.5% |
| Data | Percent |
| Black | 8.0% |
| Arab | 4.5% |
| Latin American | 4.4% |
| Chinese | 3.4% |
| South Asian | 2.8% |
| Data | Percent |
| France | 5.1% |
| China | 1.6% |
| Bangladesh | 1.1% |
| Morocco | 1.0% |
| Algeria | 1.0% |