| 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% |