| Statistic | Saint-Ludger | Rivière-du-Loup | Quebec |
| Population | 4,879 | 20,207 | 8,565,732 |
| Population density (sq km) | 662 | 222 | 6 |
| Median age | 41.6 | 48.5 | 42.6 |
| Male/Female ratio | 1.0:1 | 1.1:1 | 1.0:1 |
| Married couples | 42% | 45% | 50% |
| Families w/ kids at home | 38% | 33% | 40% |
| Speak English only | 0.1% | 0.1% | 4.7% |
| Speak French only | 80.0% | 77.4% | 49.5% |
| Data | Percent |
| All Other Visible Minorities | 0.7% |
| Multiple Visible Minorities | 0.3% |
| Black | 0.3% |
| Arab | 0.2% |
| Southeast Asian | 0.1% |
| Data | Percent |
| Other Eastern Africa | 0.4% |
| Other West Central Asia And Middle East | 0.3% |
| Philippines | 0.3% |
| Germany | 0.1% |
| Cameroon | 0.1% |