| Statistic | Old University | Guelph | Ontario |
| Population | 4,439 | 147,931 | 14,804,681 |
| Population density (sq km) | 1,707 | 1,616 | 15 |
| Median age | 39.9 | 37.8 | 40.9 |
| Male/Female ratio | 1.0:1 | 1.1:1 | 1.0:1 |
| Married couples | 73% | 69% | 71% |
| Families w/ kids at home | 40% | 46% | 46% |
| Speak English only | 83.9% | 89.5% | 86.1% |
| Speak French only | 0.0% | 0.1% | 0.3% |
| Data | Percent |
| South Asian | 3.4% |
| Chinese | 2.8% |
| Black | 2.4% |
| Latin American | 1.7% |
| Korean | 1.4% |
| Data | Percent |
| United Kingdom | 3.1% |
| United States | 1.6% |
| China | 1.4% |
| Netherlands | 1.1% |
| Germany | 1.0% |