| Statistic | Black Diamond | Alberta | National |
| Population | 2,968 | 4,479,459 | 38,134,230 |
| Population density (sq km) | 774 | 7 | 4 |
| Median age | 46.1 | 37.2 | 40.9 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 68% | 71% | 66% |
| Families w/ kids at home | 37% | 46% | 43% |
| Speak English only | 95.5% | 91.8% | 68.8% |
| Speak French only | 0.0% | 0.1% | 4.5% |
| Data | Percent |
| South Asian | 2.3% |
| Filipino | 2.2% |
| Black | 1.3% |
| Korean | 0.6% |
| Latin American | 0.5% |
| Data | Percent |
| United Kingdom | 1.3% |
| Philippines | 0.8% |
| United States | 0.7% |
| Germany | 0.5% |
| Netherlands | 0.4% |