| Statistic | Senneville | Montréal | Quebec |
| Population | 1,086 | 1,811,008 | 8,565,732 |
| Population density (sq km) | 129 | 4,984 | 6 |
| Median age | 49.9 | 38.7 | 42.6 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 70% | 54% | 50% |
| Families w/ kids at home | 43% | 41% | 40% |
| Speak English only | 15.7% | 10.2% | 4.7% |
| Speak French only | 5.5% | 29.8% | 49.5% |
| Data | Percent |
| Arab | 2.0% |
| Chinese | 1.6% |
| Filipino | 1.0% |
| Latin American | 0.8% |
| All Other Visible Minorities | 0.6% |
| Data | Percent |
| United States | 5.5% |
| United Kingdom | 2.1% |
| Germany | 1.3% |
| France | 1.1% |
| Romania | 1.1% |