| Statistic | Whitchurch-Stouffville | Ontario | National |
| Population | 52,025 | 14,804,681 | 38,134,230 |
| Population density (sq km) | 247 | 15 | 4 |
| Median age | 39.7 | 40.9 | 40.9 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 81% | 71% | 66% |
| Families w/ kids at home | 54% | 46% | 43% |
| Speak English only | 90.5% | 86.1% | 68.8% |
| Speak French only | 0.0% | 0.3% | 4.5% |
| Data | Percent |
| Chinese | 16.0% |
| South Asian | 15.0% |
| Black | 2.5% |
| Filipino | 2.3% |
| Multiple Visible Minorities | 2.2% |
| Data | Percent |
| China | 4.7% |
| Sri Lanka | 3.9% |
| Hong Kong | 3.2% |
| India | 2.4% |
| United Kingdom | 2.2% |