| Statistic | Pennywell | St. John's | Newfoundland and Labrador |
| Population | 4,373 | 109,566 | 513,653 |
| Population density (sq km) | 3,356 | 256 | 1 |
| Median age | 40.2 | 39.7 | 46.3 |
| Male/Female ratio | 1.0:1 | 1.1:1 | 1.0:1 |
| Married couples | 52% | 64% | 70% |
| Families w/ kids at home | 28% | 38% | 39% |
| Speak English only | 90.5% | 90.1% | 94.6% |
| Speak French only | 0.0% | 0.0% | 0.0% |
| Data | Percent |
| Black | 1.6% |
| Latin American | 0.4% |
| Filipino | 0.2% |
| South Asian | 0.1% |
| Southeast Asian | 0.0% |
| Data | Percent |
| United Kingdom | 0.7% |
| Other Northern Africa | 0.4% |
| India | 0.3% |
| Cuba | 0.2% |
| Ireland | 0.2% |