| Statistic | Saint-Augustin | Mirabel | Quebec |
| Population | 15,246 | 60,296 | 8,565,732 |
| Population density (sq km) | 206 | 117 | 6 |
| Median age | 37.5 | 37.2 | 42.6 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 39% | 39% | 50% |
| Families w/ kids at home | 49% | 48% | 40% |
| Speak English only | 0.4% | 0.4% | 4.7% |
| Speak French only | 54.8% | 57.2% | 49.5% |
| Data | Percent |
| Latin American | 0.9% |
| Black | 0.9% |
| Arab | 0.4% |
| Chinese | 0.3% |
| South Asian | 0.3% |
| Data | Percent |
| France | 0.7% |
| Portugal | 0.2% |
| Poland | 0.2% |
| Morocco | 0.2% |
| China | 0.2% |