| Statistic | Heritage Park | Sarnia | Ontario |
| Population | 747 | 74,477 | 14,804,681 |
| Population density (sq km) | 1,042 | 449 | 15 |
| Median age | 51.9 | 45.8 | 40.9 |
| Male/Female ratio | 1.1:1 | 1.1:1 | 1.0:1 |
| Married couples | 82% | 68% | 71% |
| Families w/ kids at home | 38% | 36% | 46% |
| Speak English only | 92.8% | 91.9% | 86.1% |
| Speak French only | 0.0% | 0.1% | 0.3% |
| Data | Percent |
| Korean | 1.5% |
| Black | 1.3% |
| Chinese | 1.3% |
| Arab | 0.6% |
| Filipino | 0.6% |
| Data | Percent |
| United Kingdom | 4.5% |
| United States | 1.3% |
| Netherlands | 1.2% |
| South Korea | 1.2% |
| China | 1.0% |