| Statistic | Sundridge | Ontario | National | 
| Population | 1,053 | 14,804,681 | 38,134,230 | 
| Population density (sq km) | 414 | 15 | 4 | 
| Median age | 54.2 | 40.9 | 40.9 | 
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 | 
| Married couples | 71% | 71% | 66% | 
| Families w/ kids at home | 29% | 46% | 43% | 
| Speak English only | 96.9% | 86.1% | 68.8% | 
| Speak French only | 0.0% | 0.3% | 4.5% | 
| Data | Percent | 
| South Asian | 3.0% | 
| Japanese | 1.0% | 
| N/A | 0.0% | 
| Data | Percent | 
| United Kingdom | 4.3% | 
| Germany | 2.4% | 
| India | 1.1% | 
| Portugal | 1.0% | 
| Ukraine | 0.7% |