| Statistic | Parc-de-la-Cité | Longueuil | Quebec |
| Population | 17,189 | 249,920 | 8,565,732 |
| Population density (sq km) | 2,728 | 2,158 | 6 |
| Median age | 42.5 | 41.7 | 42.6 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 56% | 49% | 50% |
| Families w/ kids at home | 47% | 39% | 40% |
| Speak English only | 2.7% | 2.7% | 4.7% |
| Speak French only | 44.0% | 46.6% | 49.5% |
| Data | Percent |
| Black | 7.8% |
| Arab | 4.9% |
| Latin American | 3.5% |
| Chinese | 1.5% |
| South Asian | 1.3% |
| Data | Percent |
| Haiti | 1.7% |
| Morocco | 1.6% |
| Other Eastern Africa | 1.0% |
| France | 0.9% |
| Romania | 0.9% |
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