| Statistic | Merrickville-Wolford | Ontario | National |
| Population | 3,315 | 14,804,681 | 38,134,230 |
| Population density (sq km) | 14 | 15 | 4 |
| Median age | 51.9 | 40.9 | 40.9 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married couples | 73% | 71% | 66% |
| Families w/ kids at home | 36% | 46% | 43% |
| Speak English only | 81.5% | 86.1% | 68.8% |
| Speak French only | 0.2% | 0.3% | 4.5% |
| Data | Percent |
| South Asian | 0.7% |
| Black | 0.4% |
| Arab | 0.2% |
| Multiple Visible Minorities | 0.2% |
| Japanese | 0.2% |
| Data | Percent |
| United Kingdom | 4.3% |
| Netherlands | 1.0% |
| United States | 0.7% |
| Guyana | 0.6% |
| Germany | 0.6% |