| Statistic | Oakdale | St. Catharines | Ontario |
| Population | 4,129 | 140,913 | 14,804,681 |
| Population density (sq km) | 1,833 | 1,410 | 15 |
| Median age | 43.1 | 44.4 | 40.9 |
| Male/Female ratio | 1.1:1 | 1.1:1 | 1.0:1 |
| Married couples | 59% | 66% | 71% |
| Families w/ kids at home | 32% | 38% | 46% |
| Speak English only | 91.7% | 91.9% | 86.1% |
| Speak French only | 0.0% | 0.1% | 0.3% |
| Data | Percent |
| Chinese | 3.5% |
| Black | 2.5% |
| Multiple Visible Minorities | 1.6% |
| South Asian | 1.4% |
| Latin American | 1.2% |
| Data | Percent |
| United Kingdom | 3.3% |
| Ukraine | 0.8% |
| Poland | 0.7% |
| Germany | 0.6% |
| China | 0.6% |