| Statistic | McKellar Park | Ottawa | Ontario |
| Population | 3,354 | 1,058,126 | 14,804,681 |
| Population density (sq km) | 3,538 | 365 | 15 |
| Median age | 46.1 | 39.2 | 40.9 |
| Male/Female ratio | 1.2:1 | 1.0:1 | 1.0:1 |
| Married couples | 82% | 70% | 71% |
| Families w/ kids at home | 50% | 45% | 46% |
| Speak English only | 56.3% | 59.3% | 86.1% |
| Speak French only | 0.3% | 1.4% | 0.3% |
| Data | Percent |
| Chinese | 3.5% |
| South Asian | 2.3% |
| Multiple Visible Minorities | 1.5% |
| Southeast Asian | 1.1% |
| Black | 0.9% |
| Data | Percent |
| United Kingdom | 2.8% |
| China | 1.6% |
| Russia | 1.2% |
| United States | 1.0% |
| Vietnam | 0.6% |