| Statistic | Thetis Heights | Langford | British Columbia |
| Population | 3,674 | 42,691 | 5,149,422 |
| Population density (sq km) | 1,551 | 996 | 5 |
| Median age | 39.2 | 38.0 | 42.3 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 69% | 64% | 71% |
| Families w/ kids at home | 46% | 42% | 41% |
| Speak English only | 93.0% | 92.4% | 89.7% |
| Speak French only | 0.0% | 0.0% | 0.0% |
| Data | Percent |
| Southeast Asian | 1.8% |
| Filipino | 1.7% |
| Chinese | 1.0% |
| South Asian | 0.8% |
| Korean | 0.7% |
| Data | Percent |
| United Kingdom | 2.3% |
| Philippines | 1.1% |
| United States | 1.0% |
| China | 1.0% |
| Vietnam | 0.9% |