| Statistic | Saint George-Grosvenor Heritage District | London | Ontario |
| Population | 1,728 | 421,456 | 14,804,681 |
| Population density (sq km) | 2,351 | 984 | 15 |
| Median age | 57.6 | 39.1 | 40.9 |
| Male/Female ratio | 1.6:1 | 1.1:1 | 1.0:1 |
| Married couples | 65% | 67% | 71% |
| Families w/ kids at home | 25% | 41% | 46% |
| Speak English only | 86.6% | 90.9% | 86.1% |
| Speak French only | 0.0% | 0.1% | 0.3% |
| Data | Percent |
| South Asian | 7.1% |
| Chinese | 2.5% |
| Southeast Asian | 2.0% |
| West Asian | 1.4% |
| Korean | 0.7% |
| Data | Percent |
| United Kingdom | 3.7% |
| Netherlands | 2.4% |
| Romania | 1.3% |
| United States | 1.3% |
| Iraq | 1.0% |
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