| Statistic | Salem Heights | Ajax | Ontario |
| Population | 10,152 | 138,303 | 14,804,681 |
| Population density (sq km) | 5,131 | 1,972 | 15 |
| Median age | 34.0 | 37.4 | 40.9 |
| Male/Female ratio | 1.0:1 | 1.1:1 | 1.0:1 |
| Married couples | 79% | 73% | 71% |
| Families w/ kids at home | 64% | 56% | 46% |
| Speak English only | 89.7% | 90.7% | 86.1% |
| Speak French only | 0.1% | 0.1% | 0.3% |
| Data | Percent |
| South Asian | 44.0% |
| Black | 21.5% |
| Filipino | 7.1% |
| West Asian | 5.9% |
| All Other Visible Minorities | 4.3% |
| Data | Percent |
| Sri Lanka | 8.5% |
| India | 6.9% |
| Pakistan | 5.9% |
| Philippines | 5.9% |
| Jamaica | 5.2% |
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