| Statistic | Les Mille - Roche | Saint-Jean-sur-Richelieu | Quebec |
| Population | 3,476 | 99,027 | 8,565,732 |
| Population density (sq km) | 1,613 | 430 | 6 |
| Median age | 35.6 | 43.2 | 42.6 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 42% | 43% | 50% |
| Families w/ kids at home | 58% | 40% | 40% |
| Speak English only | 0.8% | 0.5% | 4.7% |
| Speak French only | 54.5% | 57.8% | 49.5% |
| Data | Percent |
| Chinese | 0.1% |
| N/A | 0.0% |
| Data | Percent |
| France | 1.2% |
| Egypt | 0.3% |
| Saudi Arabia | 0.3% |
| Italy | 0.3% |
| Peru | 0.1% |