| Statistic | Rathwood | Mississauga | Ontario |
| Population | 30,785 | 764,342 | 14,804,681 |
| Population density (sq km) | 4,366 | 2,669 | 15 |
| Median age | 46.3 | 39.9 | 40.9 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married couples | 76% | 76% | 71% |
| Families w/ kids at home | 50% | 55% | 46% |
| Speak English only | 89.7% | 89.1% | 86.1% |
| Speak French only | 0.1% | 0.1% | 0.3% |
| Data | Percent |
| South Asian | 14.8% |
| Chinese | 6.1% |
| Black | 6.0% |
| Filipino | 4.0% |
| Latin American | 2.5% |
| Data | Percent |
| Poland | 6.8% |
| Philippines | 4.5% |
| Italy | 3.5% |
| Portugal | 3.3% |
| Pakistan | 3.3% |