| Statistic | Baie-Jolie | Trois-Rivières | Quebec |
| Population | 1,418 | 138,766 | 8,565,732 |
| Population density (sq km) | 165 | 478 | 6 |
| Median age | 45.6 | 46.6 | 42.6 |
| Male/Female ratio | 1.3:1 | 1.1:1 | 1.0:1 |
| Married couples | 46% | 43% | 50% |
| Families w/ kids at home | 37% | 34% | 40% |
| Speak English only | 0.1% | 0.2% | 4.7% |
| Speak French only | 63.9% | 68.3% | 49.5% |
| Data | Percent |
| Black | 0.6% |
| Southeast Asian | 0.4% |
| Filipino | 0.4% |
| Korean | 0.1% |
| N/A | 0.0% |
| Data | Percent |
| Other Eastern Africa | 0.4% |
| Haiti | 0.4% |
| France | 0.2% |
| Other Southeastern Asia | 0.1% |
| Bosnia Herzegovina | 0.1% |