| Statistic | Quartier Saint - Eugène | Saint-Jean-sur-Richelieu | Quebec |
| Population | 7,612 | 99,027 | 8,565,732 |
| Population density (sq km) | 1,709 | 430 | 6 |
| Median age | 39.7 | 43.2 | 42.6 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 48% | 43% | 50% |
| Families w/ kids at home | 47% | 40% | 40% |
| Speak English only | 1.0% | 0.5% | 4.7% |
| Speak French only | 57.4% | 57.8% | 49.5% |
| Data | Percent |
| Latin American | 0.9% |
| South Asian | 0.4% |
| Black | 0.4% |
| Southeast Asian | 0.3% |
| Arab | 0.2% |
| Data | Percent |
| France | 0.9% |
| Morocco | 0.2% |
| Colombia | 0.2% |
| Other Central America | 0.2% |
| Portugal | 0.2% |