| Statistic | Lower Cowan Heights | St. John's | Newfoundland and Labrador |
| Population | 2,392 | 109,566 | 513,653 |
| Population density (sq km) | 2,893 | 256 | 1 |
| Median age | 46.6 | 39.7 | 46.3 |
| Male/Female ratio | 1.2:1 | 1.1:1 | 1.0:1 |
| Married couples | 59% | 64% | 70% |
| Families w/ kids at home | 28% | 38% | 39% |
| Speak English only | 92.7% | 90.1% | 94.6% |
| Speak French only | 0.0% | 0.0% | 0.0% |
| Data | Percent |
| Black | 3.2% |
| Arab | 1.5% |
| South Asian | 1.0% |
| Filipino | 0.9% |
| Southeast Asian | 0.3% |
| Data | Percent |
| United States | 0.5% |
| India | 0.5% |
| Russia | 0.5% |
| China | 0.4% |
| Egypt | 0.3% |
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