| Statistic | Saint-Jacques | New Brunswick | National |
| Population | 1,588 | 779,582 | 38,134,230 |
| Population density (sq km) | 5 | 11 | 4 |
| Median age | 53.0 | 45.7 | 40.9 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married couples | 59% | 66% | 66% |
| Families w/ kids at home | 35% | 37% | 43% |
| Speak English only | 0.9% | 57.5% | 68.8% |
| Speak French only | 46.2% | 7.9% | 4.5% |
| Data | Percent |
| Black | 0.7% |
| Latin American | 0.6% |
| Southeast Asian | 0.2% |
| Korean | 0.1% |
| All Other Visible Minorities | 0.1% |
| Data | Percent |
| United States | 0.4% |
| India | 0.2% |
| China | 0.1% |
| Romania | 0.1% |
| Other North America | 0.1% |