| Statistic | Cambridge | Ontario | National |
| Population | 140,221 | 14,804,681 | 38,134,230 |
| Population density (sq km) | 1,205 | 15 | 4 |
| Median age | 39.8 | 40.9 | 40.9 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 68% | 71% | 66% |
| Families w/ kids at home | 47% | 46% | 43% |
| Speak English only | 92.8% | 86.1% | 68.8% |
| Speak French only | 0.0% | 0.3% | 4.5% |
| Data | Percent |
| South Asian | 7.6% |
| Black | 3.1% |
| Latin American | 1.4% |
| Chinese | 1.3% |
| Southeast Asian | 1.2% |
| Data | Percent |
| Portugal | 3.4% |
| United Kingdom | 3.0% |
| India | 2.1% |
| Pakistan | 1.3% |
| Philippines | 0.8% |