| Statistic | Power Glen | St. Catharines | Ontario |
| Population | 1,366 | 140,913 | 14,804,681 |
| Population density (sq km) | 315 | 1,410 | 15 |
| Median age | 48.0 | 44.4 | 40.9 |
| Male/Female ratio | 1.2:1 | 1.1:1 | 1.0:1 |
| Married couples | 74% | 66% | 71% |
| Families w/ kids at home | 38% | 38% | 46% |
| Speak English only | 89.8% | 91.9% | 86.1% |
| Speak French only | 1.4% | 0.1% | 0.3% |
| Data | Percent |
| Arab | 0.9% |
| South Asian | 0.9% |
| Chinese | 0.8% |
| All Other Visible Minorities | 0.8% |
| Multiple Visible Minorities | 0.4% |
| Data | Percent |
| United Kingdom | 4.8% |
| Germany | 1.4% |
| Other Eastern Europe | 1.2% |
| Iran | 0.6% |
| Other Eastern Africa | 0.5% |