| Statistic | Kingston Mills | Kingston | Ontario |
| Population | 640 | 132,155 | 14,804,681 |
| Population density (sq km) | 36 | 299 | 15 |
| Median age | 51.0 | 40.1 | 40.9 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married couples | 72% | 64% | 71% |
| Families w/ kids at home | 34% | 37% | 46% |
| Speak English only | 88.7% | 85.7% | 86.1% |
| Speak French only | 0.0% | 0.2% | 0.3% |
| Data | Percent |
| Filipino | 0.4% |
| N/A | 0.0% |
| Data | Percent |
| Czech Republic | 3.0% |
| Ukraine | 1.6% |
| United States | 1.6% |
| Netherlands | 0.7% |
| United Kingdom | 0.7% |