| Statistic | Rapide-Mascouche | Mascouche | Quebec |
| Population | 143 | 52,212 | 8,565,732 |
| Population density (sq km) | 10 | 470 | 6 |
| Median age | 42.8 | 39.8 | 42.6 |
| Male/Female ratio | 1.3:1 | 1.0:1 | 1.0:1 |
| Married couples | 36% | 43% | 50% |
| Families w/ kids at home | 22% | 46% | 40% |
| Speak English only | 0.0% | 0.5% | 4.7% |
| Speak French only | 61.8% | 56.9% | 49.5% |
| Data | Percent |
| Black | 1.1% |
| N/A | 0.0% |
| Data | Percent |
| Haiti | 1.1% |
| N/A | 0.0% |