| Statistic | L'Anse-Saint-Jean | Quebec | National |
| Population | 1,191 | 8,565,732 | 38,134,230 |
| Population density (sq km) | 2 | 6 | 4 |
| Median age | 57.3 | 42.6 | 40.9 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married couples | 56% | 50% | 66% |
| Families w/ kids at home | 29% | 40% | 43% |
| Speak English only | 0.3% | 4.7% | 68.8% |
| Speak French only | 85.6% | 49.5% | 4.5% |
| Data | Percent |
| Chinese | 0.9% |
| Black | 0.3% |
| N/A | 0.0% |
| Data | Percent |
| China | 0.7% |
| France | 0.4% |
| Guyana | 0.1% |
| Algeria | 0.1% |
| Congo, The Democratic Republic of The | 0.1% |
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