| Statistic | Miller | Niagara Falls | Ontario |
| Population | 1,288 | 95,282 | 14,804,681 |
| Population density (sq km) | 3,220 | 436 | 15 |
| Median age | 39.8 | 45.0 | 40.9 |
| Male/Female ratio | 1.1:1 | 1.1:1 | 1.0:1 |
| Married couples | 64% | 66% | 71% |
| Families w/ kids at home | 42% | 40% | 46% |
| Speak English only | 93.0% | 91.9% | 86.1% |
| Speak French only | 0.0% | 0.1% | 0.3% |
| Data | Percent |
| West Asian | 4.1% |
| Black | 2.0% |
| Arab | 1.8% |
| Latin American | 1.7% |
| Chinese | 1.1% |
| Data | Percent |
| Italy | 1.7% |
| United States | 1.7% |
| China | 1.3% |
| Bosnia Herzegovina | 1.3% |
| Other Central America | 1.2% |
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