| Statistic | Arvida | Saguenay | Quebec |
| Population | 19,861 | 145,134 | 8,565,732 |
| Population density (sq km) | 394 | 128 | 6 |
| Median age | 44.2 | 46.6 | 42.6 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 47% | 48% | 50% |
| Families w/ kids at home | 40% | 36% | 40% |
| Speak English only | 0.2% | 0.2% | 4.7% |
| Speak French only | 75.0% | 77.2% | 49.5% |
| Data | Percent |
| Black | 0.8% |
| Arab | 0.4% |
| Southeast Asian | 0.2% |
| Chinese | 0.2% |
| Filipino | 0.1% |
| Data | Percent |
| France | 0.2% |
| Algeria | 0.1% |
| Colombia | 0.1% |
| Morocco | 0.1% |
| United States | 0.1% |