| Statistic | Saint-Antoine | New Brunswick | National |
| Population | 1,783 | 779,582 | 38,134,230 |
| Population density (sq km) | 263 | 11 | 4 |
| Median age | 48.6 | 45.7 | 40.9 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married couples | 65% | 66% | 66% |
| Families w/ kids at home | 37% | 37% | 43% |
| Speak English only | 6.0% | 57.5% | 68.8% |
| Speak French only | 9.7% | 7.9% | 4.5% |
| Data | Percent |
| Black | 0.7% |
| Japanese | 0.6% |
| N/A | 0.0% |
| Data | Percent |
| United States | 1.5% |
| Other North America | 0.5% |
| Peru | 0.1% |
| El Salvador | 0.1% |
| Other Southern Europe | 0.1% |