| Statistic | Oliver | British Columbia | National |
| Population | 5,648 | 5,149,422 | 38,134,230 |
| Population density (sq km) | 830 | 5 | 4 |
| Median age | 56.6 | 42.3 | 40.9 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married couples | 72% | 71% | 66% |
| Families w/ kids at home | 25% | 41% | 43% |
| Speak English only | 93.6% | 89.7% | 68.8% |
| Speak French only | 0.1% | 0.0% | 4.5% |
| Data | Percent |
| South Asian | 10.1% |
| Chinese | 1.1% |
| Latin American | 0.7% |
| Filipino | 0.6% |
| Korean | 0.4% |
| Data | Percent |
| India | 7.0% |
| United Kingdom | 2.0% |
| Portugal | 1.7% |
| United States | 0.8% |
| Germany | 0.7% |