| Statistic | Saint-Quentin | New Brunswick | National |
| Population | 1,518 | 779,582 | 38,134,230 |
| Population density (sq km) | 507 | 11 | 4 |
| Median age | 49.5 | 45.7 | 40.9 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 51% | 66% | 66% |
| Families w/ kids at home | 34% | 37% | 43% |
| Speak English only | 0.5% | 57.5% | 68.8% |
| Speak French only | 63.9% | 7.9% | 4.5% |
| Data | Percent |
| Southeast Asian | 1.3% |
| Black | 0.4% |
| Arab | 0.3% |
| N/A | 0.0% |
| Data | Percent |
| Germany | 0.1% |
| Egypt | 0.1% |
| Other Western Africa | 0.1% |
| Algeria | 0.1% |
| Bangladesh | 0.1% |