| Statistic | Léry | Quebec | National |
| Population | 2,504 | 8,565,732 | 38,134,230 |
| Population density (sq km) | 235 | 6 | 4 |
| Median age | 48.1 | 42.6 | 40.9 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married couples | 50% | 50% | 66% |
| Families w/ kids at home | 42% | 40% | 43% |
| Speak English only | 3.8% | 4.7% | 68.8% |
| Speak French only | 38.1% | 49.5% | 4.5% |
| Data | Percent |
| Black | 0.6% |
| Southeast Asian | 0.5% |
| Latin American | 0.2% |
| South Asian | 0.2% |
| Chinese | 0.1% |
| Data | Percent |
| France | 1.4% |
| Other Southern Europe | 0.7% |
| Peru | 0.4% |
| Russia | 0.4% |
| United Kingdom | 0.4% |