| Statistic | Aileen Willow Brook | Markham | Ontario |
| Population | 10,260 | 359,111 | 14,804,681 |
| Population density (sq km) | 3,828 | 1,675 | 15 |
| Median age | 48.4 | 40.7 | 40.9 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married couples | 83% | 82% | 71% |
| Families w/ kids at home | 50% | 58% | 46% |
| Speak English only | 87.3% | 84.1% | 86.1% |
| Speak French only | 0.0% | 0.0% | 0.3% |
| Data | Percent |
| Chinese | 31.0% |
| West Asian | 11.9% |
| South Asian | 7.0% |
| Korean | 5.6% |
| Filipino | 3.1% |
| Data | Percent |
| Iran | 10.5% |
| China | 10.2% |
| Hong Kong | 8.3% |
| South Korea | 4.3% |
| Philippines | 3.0% |