| Statistic | Rosecliffe | London | Ontario |
| Population | 1,799 | 421,456 | 14,804,681 |
| Population density (sq km) | 1,568 | 984 | 15 |
| Median age | 62.8 | 39.1 | 40.9 |
| Male/Female ratio | 1.1:1 | 1.1:1 | 1.0:1 |
| Married couples | 87% | 67% | 71% |
| Families w/ kids at home | 32% | 41% | 46% |
| Speak English only | 87.5% | 90.9% | 86.1% |
| Speak French only | 0.0% | 0.1% | 0.3% |
| Data | Percent |
| Arab | 5.9% |
| South Asian | 3.0% |
| Chinese | 2.7% |
| Latin American | 1.0% |
| Black | 0.3% |
| Data | Percent |
| United Kingdom | 4.8% |
| Egypt | 2.6% |
| Other Eastern Europe | 2.0% |
| Poland | 1.6% |
| Portugal | 1.6% |