| Statistic | Belfast | New York | National |
| Population | 752 | 19,453,561 | 328,239,523 |
| Population density (sq mi) | 486 | 413 | 91 |
| Median age | 37.0 | 38.2 | 37.7 |
| Male/Female ratio | 0.9:1 | 0.9:1 | 1.0:1 |
| Married (15yrs & older) | 55% | 52% | 55% |
| Families w/ Kids under 18 | 58% | 43% | 43% |
| Speak English | 99% | 70% | 79% |
| Speak Spanish | 1% | 15% | 13% |
| Race | Belfast | New York | National |
| White | 97.87% | 64.31% | 73.35% |
| Black | 0.13% | 15.60% | 12.63% |
| Asian | 0.00% | 8.12% | 5.22% |
| American Indian | 0.13% | 0.38% | 0.82% |
| Native Hawaiian | 0.00% | 0.04% | 0.18% |
| Mixed race | 1.86% | 2.93% | 3.06% |
| Other race | 0.00% | 8.62% | 4.75% |
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