| Statistic | Senneville | Quebec | National |
| Population | 1,039 | 8,565,732 | 38,134,230 |
| Population density (sq km) | 127 | 6 | 4 |
| Median age | 49.3 | 42.6 | 40.9 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married couples | 74% | 50% | 66% |
| Families w/ kids at home | 48% | 40% | 43% |
| Speak English only | 16.2% | 4.7% | 68.8% |
| Speak French only | 4.5% | 49.5% | 4.5% |
| Data | Percent |
| Arab | 4.9% |
| Chinese | 1.9% |
| Filipino | 1.6% |
| All Other Visible Minorities | 0.5% |
| Japanese | 0.3% |
| Data | Percent |
| United States | 7.4% |
| United Kingdom | 2.5% |
| Romania | 2.1% |
| Lebanon | 1.8% |
| Philippines | 1.8% |