| Statistic | Ste-Gertrude | Bécancour | Quebec |
| Population | 1,264 | 13,552 | 8,565,732 |
| Population density (sq km) | 14 | 31 | 6 |
| Median age | 47.5 | 43.9 | 42.6 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 49% | 43% | 50% |
| Families w/ kids at home | 39% | 39% | 40% |
| Speak English only | 0.3% | 0.1% | 4.7% |
| Speak French only | 78.7% | 72.5% | 49.5% |
| Data | Percent |
| Black | 2.5% |
| Southeast Asian | 0.2% |
| N/A | 0.0% |
| Data | Percent |
| France | 2.6% |
| Other Western Europe | 2.4% |
| Ukraine | 0.3% |
| United Kingdom | 0.2% |
| Colombia | 0.2% |