| Statistic | La Baie | Salaberry-de-Valleyfield | Quebec |
| Population | 5,775 | 42,121 | 8,565,732 |
| Population density (sq km) | 1,513 | 383 | 6 |
| Median age | 46.0 | 48.3 | 42.6 |
| Male/Female ratio | 1.0:1 | 1.1:1 | 1.0:1 |
| Married couples | 49% | 44% | 50% |
| Families w/ kids at home | 38% | 34% | 40% |
| Speak English only | 0.5% | 0.4% | 4.7% |
| Speak French only | 60.8% | 63.0% | 49.5% |
| Data | Percent |
| Arab | 1.0% |
| Chinese | 0.3% |
| Black | 0.2% |
| Southeast Asian | 0.2% |
| Korean | 0.1% |
| Data | Percent |
| Morocco | 0.6% |
| France | 0.5% |
| United States | 0.4% |
| China | 0.3% |
| Vietnam | 0.3% |
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