| Statistic | Buttonville | Markham | Ontario |
| Population | 5,228 | 359,111 | 14,804,681 |
| Population density (sq km) | 789 | 1,675 | 15 |
| Median age | 47.6 | 40.7 | 40.9 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married couples | 87% | 82% | 71% |
| Families w/ kids at home | 61% | 58% | 46% |
| Speak English only | 84.8% | 84.1% | 86.1% |
| Speak French only | 0.1% | 0.0% | 0.3% |
| Data | Percent |
| Chinese | 67.8% |
| South Asian | 8.6% |
| Multiple Visible Minorities | 3.2% |
| Black | 2.0% |
| Arab | 1.3% |
| Data | Percent |
| China | 21.5% |
| Hong Kong | 18.5% |
| Jamaica | 2.8% |
| India | 2.6% |
| Philippines | 1.8% |