| Statistic | Barnston-Ouest | Quebec | National |
| Population | 546 | 8,565,732 | 38,134,230 |
| Population density (sq km) | 6 | 6 | 4 |
| Median age | 47.7 | 42.6 | 40.9 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 60% | 50% | 66% |
| Families w/ kids at home | 40% | 40% | 43% |
| Speak English only | 7.9% | 4.7% | 68.8% |
| Speak French only | 37.7% | 49.5% | 4.5% |
| Data | Percent |
| Southeast Asian | 0.9% |
| N/A | 0.0% |
| Data | Percent |
| United States | 2.6% |
| Poland | 0.9% |
| France | 0.7% |
| Algeria | 0.4% |
| El Salvador | 0.2% |