| Statistic | Chatsworth | Chatsworth | Ontario |
| Population | 629 | 6,972 | 14,804,681 |
| Population density (sq km) | 499 | 11 | 15 |
| Median age | 48.2 | 46.3 | 40.9 |
| Male/Female ratio | 1.2:1 | 1.0:1 | 1.0:1 |
| Married couples | 80% | 75% | 71% |
| Families w/ kids at home | 44% | 39% | 46% |
| Speak English only | 93.9% | 94.3% | 86.1% |
| Speak French only | 0.0% | 0.0% | 0.3% |
| Data | Percent |
| Southeast Asian | 0.4% |
| Japanese | 0.1% |
| South Asian | 0.1% |
| N/A | 0.0% |
| Data | Percent |
| United Kingdom | 1.4% |
| Portugal | 1.0% |
| Poland | 0.9% |
| Netherlands | 0.9% |
| Germany | 0.4% |