| Statistic | Chatsworth | Ontario | National | 
| Population | 6,972 | 14,804,681 | 38,134,230 | 
| Population density (sq km) | 11 | 15 | 4 | 
| Median age | 46.3 | 40.9 | 40.9 | 
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 | 
| Married couples | 75% | 71% | 66% | 
| Families w/ kids at home | 39% | 46% | 43% | 
| Speak English only | 94.3% | 86.1% | 68.8% | 
| Speak French only | 0.0% | 0.3% | 4.5% | 
| Data | Percent | 
| Black | 0.4% | 
| Chinese | 0.4% | 
| Southeast Asian | 0.2% | 
| Latin American | 0.2% | 
| South Asian | 0.2% | 
| Data | Percent | 
| United Kingdom | 2.0% | 
| United States | 1.5% | 
| Netherlands | 0.9% | 
| Germany | 0.6% | 
| Other Western Europe | 0.3% |