| Statistic | Buffalo | Indiana | National |
| Population | 895 | 6,732,219 | 328,239,523 |
| Population density (sq mi) | 377 | 188 | 91 |
| Median age | 54.6 | 37.4 | 37.7 |
| Male/Female ratio | 1.3:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 66% | 56% | 55% |
| Families w/ Kids under 18 | 4% | 43% | 43% |
| Speak English | 97% | 92% | 79% |
| Speak Spanish | 2% | 5% | 13% |
| Race | Buffalo | Indiana | National |
| White | 91.96% | 83.99% | 73.35% |
| Black | 0.00% | 9.23% | 12.63% |
| Asian | 0.00% | 1.98% | 5.22% |
| American Indian | 0.00% | 0.24% | 0.82% |
| Native Hawaiian | 0.00% | 0.04% | 0.18% |
| Mixed race | 4.13% | 2.22% | 3.06% |
| Other race | 3.91% | 2.30% | 4.75% |
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