| Statistic | Twin Lakes | Sarnia | Ontario |
| Population | 2,420 | 74,477 | 14,804,681 |
| Population density (sq km) | 2,226 | 449 | 15 |
| Median age | 49.5 | 45.8 | 40.9 |
| Male/Female ratio | 1.2:1 | 1.1:1 | 1.0:1 |
| Married couples | 88% | 68% | 71% |
| Families w/ kids at home | 50% | 36% | 46% |
| Speak English only | 88.8% | 91.9% | 86.1% |
| Speak French only | 0.0% | 0.1% | 0.3% |
| Data | Percent |
| South Asian | 6.2% |
| Chinese | 2.8% |
| Latin American | 2.0% |
| Arab | 1.3% |
| Japanese | 0.8% |
| Data | Percent |
| China | 2.4% |
| United Kingdom | 2.1% |
| Pakistan | 1.9% |
| India | 1.7% |
| United States | 1.2% |