| Statistic | Cap-de-la-Madeleine | Trois-Rivières | Quebec |
| Population | 15,318 | 138,766 | 8,565,732 |
| Population density (sq km) | 1,000 | 478 | 6 |
| Median age | 48.0 | 46.6 | 42.6 |
| Male/Female ratio | 1.0:1 | 1.1:1 | 1.0:1 |
| Married couples | 40% | 43% | 50% |
| Families w/ kids at home | 32% | 34% | 40% |
| Speak English only | 0.1% | 0.2% | 4.7% |
| Speak French only | 75.8% | 68.3% | 49.5% |
| Data | Percent |
| Latin American | 0.9% |
| Black | 0.8% |
| Chinese | 0.2% |
| Arab | 0.2% |
| Japanese | 0.1% |
| Data | Percent |
| France | 0.4% |
| Colombia | 0.3% |
| Other Western Europe | 0.2% |
| Moldova | 0.2% |
| Other South America | 0.2% |
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