| Statistic | Secteur-Lambert | Trois-Rivières | Quebec |
| Population | 10,061 | 138,766 | 8,565,732 |
| Population density (sq km) | 2,723 | 478 | 6 |
| Median age | 54.7 | 46.6 | 42.6 |
| Male/Female ratio | 1.2:1 | 1.1:1 | 1.0:1 |
| Married couples | 50% | 43% | 50% |
| Families w/ kids at home | 25% | 34% | 40% |
| Speak English only | 0.4% | 0.2% | 4.7% |
| Speak French only | 69.5% | 68.3% | 49.5% |
| Data | Percent |
| Black | 4.6% |
| Arab | 2.3% |
| Latin American | 1.5% |
| Chinese | 0.6% |
| Southeast Asian | 0.3% |
| Data | Percent |
| Colombia | 1.1% |
| Syria | 0.5% |
| Other Central Africa | 0.5% |
| Iraq | 0.4% |
| France | 0.4% |