| Statistic | Secteur 3 | Repentigny | Quebec |
| Population | 2,710 | 87,645 | 8,565,732 |
| Population density (sq km) | 2,408 | 1,395 | 6 |
| Median age | 50.5 | 44.1 | 42.6 |
| Male/Female ratio | 1.0:1 | 1.1:1 | 1.0:1 |
| Married couples | 58% | 51% | 50% |
| Families w/ kids at home | 37% | 43% | 40% |
| Speak English only | 0.2% | 0.3% | 4.7% |
| Speak French only | 59.2% | 56.3% | 49.5% |
| Data | Percent |
| Latin American | 4.6% |
| Black | 4.3% |
| Southeast Asian | 1.5% |
| Arab | 1.3% |
| N/A | 0.0% |
| Data | Percent |
| France | 0.9% |
| Haiti | 0.7% |
| Italy | 0.4% |
| Other South America | 0.4% |
| Algeria | 0.3% |