| Statistic | Cathers Lake | Nanaimo | British Columbia |
| Population | 672 | 101,513 | 5,149,422 |
| Population density (sq km) | 1,818 | 1,066 | 5 |
| Median age | 47.6 | 45.0 | 42.3 |
| Male/Female ratio | 1.3:1 | 1.0:1 | 1.0:1 |
| Married couples | 76% | 65% | 71% |
| Families w/ kids at home | 42% | 33% | 41% |
| Speak English only | 91.8% | 92.7% | 89.7% |
| Speak French only | 0.0% | 0.0% | 0.0% |
| Data | Percent |
| South Asian | 5.6% |
| Japanese | 4.3% |
| Filipino | 3.4% |
| Chinese | 2.1% |
| Latin American | 1.0% |
| Data | Percent |
| United Kingdom | 4.3% |
| Philippines | 3.8% |
| India | 2.4% |
| China | 1.5% |
| Germany | 1.0% |