| Statistic | Westmount | Kitchener | Ontario |
| Population | 6,190 | 259,162 | 14,804,681 |
| Population density (sq km) | 2,088 | 1,832 | 15 |
| Median age | 40.6 | 38.1 | 40.9 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 69% | 68% | 71% |
| Families w/ kids at home | 37% | 45% | 46% |
| Speak English only | 86.4% | 91.4% | 86.1% |
| Speak French only | 0.1% | 0.1% | 0.3% |
| Data | Percent |
| South Asian | 5.8% |
| Black | 3.3% |
| Chinese | 3.2% |
| Latin American | 1.9% |
| Multiple Visible Minorities | 1.5% |
| Data | Percent |
| United Kingdom | 2.0% |
| Bosnia Herzegovina | 1.2% |
| India | 1.2% |
| Germany | 1.1% |
| United States | 1.1% |