| Statistic | Queenston | St. Catharines | Ontario |
| Population | 5,140 | 140,913 | 14,804,681 |
| Population density (sq km) | 1,997 | 1,410 | 15 |
| Median age | 43.0 | 44.4 | 40.9 |
| Male/Female ratio | 0.9:1 | 1.1:1 | 1.0:1 |
| Married couples | 50% | 66% | 71% |
| Families w/ kids at home | 28% | 38% | 46% |
| Speak English only | 92.9% | 91.9% | 86.1% |
| Speak French only | 0.2% | 0.1% | 0.3% |
| Data | Percent |
| Chinese | 6.0% |
| Black | 5.4% |
| South Asian | 2.4% |
| Filipino | 2.2% |
| Latin American | 1.9% |
| Data | Percent |
| United Kingdom | 2.4% |
| China | 1.7% |
| Philippines | 1.6% |
| United States | 1.0% |
| Poland | 0.7% |
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