| Statistic | Grenfell Village | London | Ontario |
| Population | 2,161 | 421,456 | 14,804,681 |
| Population density (sq km) | 3,810 | 984 | 15 |
| Median age | 40.4 | 39.1 | 40.9 |
| Male/Female ratio | 0.9:1 | 1.1:1 | 1.0:1 |
| Married couples | 74% | 67% | 71% |
| Families w/ kids at home | 43% | 41% | 46% |
| Speak English only | 92.0% | 90.9% | 86.1% |
| Speak French only | 0.0% | 0.1% | 0.3% |
| Data | Percent |
| Korean | 4.0% |
| Chinese | 4.0% |
| South Asian | 3.7% |
| Black | 3.0% |
| Southeast Asian | 2.3% |
| Data | Percent |
| China | 2.0% |
| India | 1.8% |
| United Kingdom | 1.2% |
| Syria | 1.0% |
| United States | 0.9% |
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