| Statistic | Greenfield | Pittsburgh | Pennsylvania |
| Population | 8,032 | 301,286 | 12,801,989 |
| Population density (sq mi) | 9,668 | 5,441 | 287 |
| Median age | 40.1 | 33.4 | 40.6 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | n/a | 38% | 56% |
| Families w/ Kids under 18 | 34% | 37% | 40% |
| Speak English | n/a | 89% | 89% |
| Speak Spanish | n/a | 2% | 5% |
| Race | Greenfield | Pittsburgh | Pennsylvania |
| White | 84.55% | 66.37% | 81.37% |
| Black | 6.45% | 22.98% | 11.03% |
| Asian | 3.54% | 5.83% | 3.14% |
| American Indian | 0.00% | 0.19% | 0.20% |
| Native Hawaiian | 0.00% | 0.06% | 0.03% |
| Mixed race | 5.27% | 3.62% | 2.24% |
| Other race | 0.20% | 0.95% | 1.98% |
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