| Statistic | Vieux-Moulin | Québec | Quebec |
| Population | 15,647 | 548,244 | 8,565,732 |
| Population density (sq km) | 1,905 | 1,210 | 6 |
| Median age | 55.7 | 43.1 | 42.6 |
| Male/Female ratio | 1.2:1 | 1.0:1 | 1.0:1 |
| Married couples | 45% | 44% | 50% |
| Families w/ kids at home | 26% | 36% | 40% |
| Speak English only | 0.2% | 0.3% | 4.7% |
| Speak French only | 70.4% | 58.9% | 49.5% |
| Data | Percent |
| Black | 2.5% |
| Arab | 1.3% |
| Latin American | 0.5% |
| West Asian | 0.4% |
| Southeast Asian | 0.3% |
| Data | Percent |
| France | 0.8% |
| Syria | 0.5% |
| Algeria | 0.4% |
| Morocco | 0.4% |
| Haiti | 0.4% |