| Statistic | Marchvale | Ottawa | Ontario |
| Population | 653 | 1,058,126 | 14,804,681 |
| Population density (sq km) | 315 | 365 | 15 |
| Median age | 43.6 | 39.2 | 40.9 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 88% | 70% | 71% |
| Families w/ kids at home | 66% | 45% | 46% |
| Speak English only | 66.4% | 59.3% | 86.1% |
| Speak French only | 0.0% | 1.4% | 0.3% |
| Data | Percent |
| Southeast Asian | 7.1% |
| South Asian | 2.2% |
| Arab | 1.8% |
| West Asian | 0.6% |
| Chinese | 0.2% |
| Data | Percent |
| Cambodia | 4.1% |
| United States | 2.3% |
| Russia | 1.2% |
| Iran | 1.1% |
| Serbia | 0.9% |