| Statistic | Grenfell Glen | Ottawa | Ontario |
| Population | 332 | 1,058,126 | 14,804,681 |
| Population density (sq km) | 497 | 365 | 15 |
| Median age | 51.3 | 39.2 | 40.9 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married couples | 82% | 70% | 71% |
| Families w/ kids at home | 38% | 45% | 46% |
| Speak English only | 66.4% | 59.3% | 86.1% |
| Speak French only | 0.0% | 1.4% | 0.3% |
| Data | Percent |
| South Asian | 6.4% |
| Japanese | 3.5% |
| N/A | 0.0% |
| Data | Percent |
| Germany | 9.5% |
| Mexico | 7.0% |
| Russia | 3.5% |
| United Kingdom | 3.5% |
| Other Eastern Europe | 3.2% |