| Statistic | Castlegar | British Columbia | National |
| Population | 8,697 | 5,149,422 | 38,134,230 |
| Population density (sq km) | 416 | 5 | 4 |
| Median age | 46.2 | 42.3 | 40.9 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 69% | 71% | 66% |
| Families w/ kids at home | 35% | 41% | 43% |
| Speak English only | 95.0% | 89.7% | 68.8% |
| Speak French only | 0.0% | 0.0% | 4.5% |
| Data | Percent |
| South Asian | 3.3% |
| Black | 1.1% |
| Chinese | 1.0% |
| Multiple Visible Minorities | 0.4% |
| Latin American | 0.4% |
| Data | Percent |
| Portugal | 2.0% |
| United Kingdom | 1.6% |
| United States | 1.1% |
| India | 0.8% |
| China | 0.6% |