| Statistic | Chelsea Heights | London | Ontario |
| Population | 1,773 | 421,456 | 14,804,681 |
| Population density (sq km) | 2,212 | 984 | 15 |
| Median age | 38.5 | 39.1 | 40.9 |
| Male/Female ratio | 0.9:1 | 1.1:1 | 1.0:1 |
| Married couples | 41% | 67% | 71% |
| Families w/ kids at home | 29% | 41% | 46% |
| Speak English only | 93.6% | 90.9% | 86.1% |
| Speak French only | 0.1% | 0.1% | 0.3% |
| Data | Percent |
| Black | 5.4% |
| Chinese | 2.4% |
| Latin American | 1.4% |
| Korean | 0.7% |
| Arab | 0.2% |
| Data | Percent |
| Other Western Africa | 2.2% |
| Ukraine | 1.5% |
| United States | 1.3% |
| Poland | 1.1% |
| Philippines | 0.9% |