| Statistic | Saint-Henri | Montréal | Quebec |
| Population | 18,797 | 1,811,008 | 8,565,732 |
| Population density (sq km) | 4,588 | 4,984 | 6 |
| Median age | 34.9 | 38.7 | 42.6 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 36% | 54% | 50% |
| Families w/ kids at home | 26% | 41% | 40% |
| Speak English only | 9.3% | 10.2% | 4.7% |
| Speak French only | 22.0% | 29.8% | 49.5% |
| Data | Percent |
| Black | 11.1% |
| Arab | 3.8% |
| Latin American | 3.7% |
| South Asian | 3.5% |
| Chinese | 2.4% |
| Data | Percent |
| France | 2.5% |
| Bangladesh | 1.0% |
| China | 1.0% |
| Algeria | 0.9% |
| Morocco | 0.9% |