| Statistic | O'Connor | Ontario | National |
| Population | 736 | 14,804,681 | 38,134,230 |
| Population density (sq km) | 6 | 15 | 4 |
| Median age | 45.6 | 40.9 | 40.9 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married couples | 75% | 71% | 66% |
| Families w/ kids at home | 45% | 46% | 43% |
| Speak English only | 95.7% | 86.1% | 68.8% |
| Speak French only | 0.0% | 0.3% | 4.5% |
| Data | Percent |
| N/A | 0.0% |
| Data | Percent |
| Italy | 1.6% |
| United States | 1.6% |
| Germany | 1.4% |
| Other Northern Europe | 1.3% |
| Cuba | 0.1% |