| Statistic | Gourley | Hamilton | Ontario |
| Population | 4,510 | 11,739 | 14,804,681 |
| Population density (sq km) | 4,104 | 518 | 15 |
| Median age | 39.0 | 40.5 | 40.9 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 75% | 68% | 71% |
| Families w/ kids at home | 57% | 44% | 46% |
| Speak English only | 93.3% | 92.3% | 86.1% |
| Speak French only | 0.0% | 0.1% | 0.3% |
| Data | Percent |
| Black | 7.8% |
| South Asian | 6.7% |
| Chinese | 5.2% |
| Latin American | 4.2% |
| West Asian | 2.2% |
| Data | Percent |
| Iraq | 2.5% |
| China | 2.3% |
| United Kingdom | 1.9% |
| Poland | 1.7% |
| Italy | 1.6% |