| Statistic | Amaranth | Ontario | National | 
| Population | 4,403 | 14,804,681 | 38,134,230 | 
| Population density (sq km) | 17 | 15 | 4 | 
| Median age | 44.5 | 40.9 | 40.9 | 
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 | 
| Married couples | 78% | 71% | 66% | 
| Families w/ kids at home | 52% | 46% | 43% | 
| Speak English only | 93.5% | 86.1% | 68.8% | 
| Speak French only | 0.0% | 0.3% | 4.5% | 
| Data | Percent | 
| Black | 2.3% | 
| South Asian | 1.4% | 
| Multiple Visible Minorities | 1.2% | 
| Chinese | 1.1% | 
| All Other Visible Minorities | 0.7% | 
| Data | Percent | 
| United Kingdom | 2.5% | 
| Netherlands | 2.1% | 
| Portugal | 1.3% | 
| Italy | 1.2% | 
| Jamaica | 1.1% |