| Statistic | Trois-Rivières Centre Ville | Trois-Rivières | Quebec |
| Population | 21,017 | 138,766 | 8,565,732 |
| Population density (sq km) | 2,302 | 478 | 6 |
| Median age | 44.9 | 46.6 | 42.6 |
| Male/Female ratio | 1.0:1 | 1.1:1 | 1.0:1 |
| Married couples | 36% | 43% | 50% |
| Families w/ kids at home | 25% | 34% | 40% |
| Speak English only | 0.2% | 0.2% | 4.7% |
| Speak French only | 62.9% | 68.3% | 49.5% |
| Data | Percent |
| Black | 3.8% |
| Latin American | 1.4% |
| Arab | 0.9% |
| Chinese | 0.4% |
| Southeast Asian | 0.3% |
| Data | Percent |
| Congo, The Democratic Republic of The | 0.8% |
| Colombia | 0.7% |
| France | 0.6% |
| Haiti | 0.3% |
| China | 0.3% |