| Statistic | Basse - Ville | Québec | Quebec |
| Population | 567 | 548,244 | 8,565,732 |
| Population density (sq km) | 2,691 | 1,210 | 6 |
| Median age | 58.7 | 43.1 | 42.6 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married couples | 45% | 44% | 50% |
| Families w/ kids at home | 9% | 36% | 40% |
| Speak English only | 0.5% | 0.3% | 4.7% |
| Speak French only | 36.3% | 58.9% | 49.5% |
| Data | Percent |
| Black | 5.5% |
| Latin American | 4.1% |
| Arab | 1.6% |
| Chinese | 0.4% |
| Southeast Asian | 0.2% |
| Data | Percent |
| France | 2.7% |
| United States | 1.9% |
| Chile | 1.2% |
| Ukraine | 1.2% |
| Other Central Africa | 0.9% |