| Statistic | McKellar Heights | Ottawa | Ontario |
| Population | 576 | 1,058,126 | 14,804,681 |
| Population density (sq km) | 1,704 | 365 | 15 |
| Median age | 45.2 | 39.2 | 40.9 |
| Male/Female ratio | 1.2:1 | 1.0:1 | 1.0:1 |
| Married couples | 61% | 70% | 71% |
| Families w/ kids at home | 40% | 45% | 46% |
| Speak English only | 71.6% | 59.3% | 86.1% |
| Speak French only | 0.0% | 1.4% | 0.3% |
| Data | Percent |
| Chinese | 7.4% |
| Japanese | 2.6% |
| N/A | 0.0% |
| Data | Percent |
| Israel | 2.2% |
| Hong Kong | 2.2% |
| United States | 2.2% |
| Japan | 2.0% |
| Other Southern Europe | 2.0% |