| Statistic | Saint-Germain-de-Kamouraska | Saint-Germain | Quebec |
| Population | 360 | 266 | 8,565,732 |
| Population density (sq km) | 10 | 9 | 6 |
| Median age | 49.5 | 47.6 | 42.6 |
| Male/Female ratio | 0.9:1 | 0.9:1 | 1.0:1 |
| Married couples | 46% | 45% | 50% |
| Families w/ kids at home | 37% | 37% | 40% |
| Speak English only | 0.0% | 0.0% | 4.7% |
| Speak French only | 75.7% | 75.4% | 49.5% |
| Data | Percent |
| N/A | 0.0% |
| Data | Percent |
| France | 0.7% |
| Algeria | 0.4% |
| United Kingdom | 0.4% |
| N/A | 0.0% |