| Statistic | Petty Harbour-Maddox Cove | Newfoundland and Labrador | National |
| Population | 1,036 | 513,653 | 38,134,230 |
| Population density (sq km) | 225 | 1 | 4 |
| Median age | 43.9 | 46.3 | 40.9 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 69% | 70% | 66% |
| Families w/ kids at home | 41% | 39% | 43% |
| Speak English only | 91.9% | 94.6% | 68.8% |
| Speak French only | 0.0% | 0.0% | 4.5% |
| Data | Percent |
| N/A | 0.0% |
| Data | Percent |
| United Kingdom | 0.7% |
| China | 0.2% |
| Portugal | 0.2% |
| Other Northern Europe | 0.2% |
| Other North America | 0.1% |