| Statistic | Holly | Barrie | Ontario |
| Population | 19,550 | 159,618 | 14,804,681 |
| Population density (sq km) | 3,200 | 1,529 | 15 |
| Median age | 36.5 | 38.4 | 40.9 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 64% | 63% | 71% |
| Families w/ kids at home | 52% | 45% | 46% |
| Speak English only | 92.6% | 92.6% | 86.1% |
| Speak French only | 0.1% | 0.1% | 0.3% |
| Data | Percent |
| South Asian | 3.2% |
| Black | 3.1% |
| Latin American | 1.8% |
| Filipino | 1.8% |
| Chinese | 1.1% |
| Data | Percent |
| United Kingdom | 1.8% |
| Philippines | 1.1% |
| Italy | 0.7% |
| Poland | 0.7% |
| Germany | 0.7% |