| Statistic | Barbican Heights | St. Catharines | Ontario |
| Population | 397 | 140,913 | 14,804,681 |
| Population density (sq km) | 1,523 | 1,410 | 15 |
| Median age | 46.6 | 44.4 | 40.9 |
| Male/Female ratio | 1.7:1 | 1.1:1 | 1.0:1 |
| Married couples | 84% | 66% | 71% |
| Families w/ kids at home | 52% | 38% | 46% |
| Speak English only | 88.5% | 91.9% | 86.1% |
| Speak French only | 0.0% | 0.1% | 0.3% |
| Data | Percent |
| South Asian | 14.6% |
| Latin American | 5.0% |
| Chinese | 4.2% |
| West Asian | 2.1% |
| Multiple Visible Minorities | 1.6% |
| Data | Percent |
| Other Eastern Europe | 4.7% |
| India | 3.1% |
| Israel | 3.1% |
| Afghanistan | 3.1% |
| Italy | 2.3% |