| Statistic | De Martigny | Varennes | Quebec |
| Population | 2,059 | 21,490 | 8,565,732 |
| Population density (sq km) | 2,200 | 230 | 6 |
| Median age | 47.6 | 42.5 | 42.6 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 50% | 46% | 50% |
| Families w/ kids at home | 41% | 47% | 40% |
| Speak English only | 0.0% | 0.2% | 4.7% |
| Speak French only | 60.1% | 53.0% | 49.5% |
| Data | Percent |
| Latin American | 1.4% |
| Black | 0.7% |
| Multiple Visible Minorities | 0.2% |
| South Asian | 0.2% |
| Southeast Asian | 0.2% |
| Data | Percent |
| France | 0.9% |
| Peru | 0.4% |
| Other Western Africa | 0.4% |
| Germany | 0.3% |
| Algeria | 0.3% |