| Statistic | Des Châtels | Québec | Quebec |
| Population | 14,260 | 548,244 | 8,565,732 |
| Population density (sq km) | 1,570 | 1,210 | 6 |
| Median age | 42.0 | 43.1 | 42.6 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 46% | 44% | 50% |
| Families w/ kids at home | 42% | 36% | 40% |
| Speak English only | 0.1% | 0.3% | 4.7% |
| Speak French only | 61.9% | 58.9% | 49.5% |
| Data | Percent |
| Black | 1.1% |
| Latin American | 0.8% |
| Arab | 0.4% |
| Chinese | 0.3% |
| Southeast Asian | 0.2% |
| Data | Percent |
| France | 0.7% |
| Colombia | 0.6% |
| Algeria | 0.4% |
| Haiti | 0.2% |
| Portugal | 0.2% |