| Statistic | La Guillaudière | Varennes | Quebec |
| Population | 2,482 | 21,490 | 8,565,732 |
| Population density (sq km) | 87 | 230 | 6 |
| Median age | 38.9 | 42.5 | 42.6 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 39% | 46% | 50% |
| Families w/ kids at home | 48% | 47% | 40% |
| Speak English only | 0.2% | 0.2% | 4.7% |
| Speak French only | 57.4% | 53.0% | 49.5% |
| Data | Percent |
| Black | 1.7% |
| Latin American | 1.3% |
| Arab | 1.2% |
| Chinese | 1.2% |
| South Asian | 0.5% |
| Data | Percent |
| France | 2.1% |
| Morocco | 1.0% |
| Other Western Africa | 0.8% |
| Italy | 0.4% |
| Nepal | 0.4% |
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