| Statistic | Grand Bay | Grand Bay-Westfield | New Brunswick |
| Population | 954 | 5,162 | 779,582 |
| Population density (sq km) | 355 | 84 | 11 |
| Median age | 46.7 | 45.3 | 45.7 |
| Male/Female ratio | 0.8:1 | 1.0:1 | 1.0:1 |
| Married couples | 66% | 77% | 66% |
| Families w/ kids at home | 33% | 43% | 37% |
| Speak English only | 88.5% | 82.8% | 57.5% |
| Speak French only | 0.0% | 0.0% | 7.9% |
| Data | Percent |
| Black | 0.9% |
| Chinese | 0.1% |
| N/A | 0.0% |
| Data | Percent |
| United Kingdom | 1.6% |
| United States | 1.0% |
| Iran | 0.1% |
| Poland | 0.1% |
| Germany | 0.1% |