| Statistic | Peterborough Heritage Conservation District | Peterborough | Ontario |
| Population | 1,068 | 89,500 | 14,804,681 |
| Population density (sq km) | 4,894 | 1,324 | 15 |
| Median age | 35.3 | 42.3 | 40.9 |
| Male/Female ratio | 1.3:1 | 1.1:1 | 1.0:1 |
| Married couples | 52% | 63% | 71% |
| Families w/ kids at home | 36% | 36% | 46% |
| Speak English only | 82.8% | 91.9% | 86.1% |
| Speak French only | 0.0% | 0.0% | 0.3% |
| Data | Percent |
| Black | 1.9% |
| South Asian | 1.6% |
| Japanese | 0.2% |
| Latin American | 0.2% |
| Southeast Asian | 0.2% |
| Data | Percent |
| United Kingdom | 1.1% |
| Poland | 0.7% |
| Philippines | 0.7% |
| United States | 0.7% |
| Netherlands | 0.4% |