| Statistic | Olney | Philadelphia | Pennsylvania |
| Population | 41,744 | 1,581,531 | 12,801,989 |
| Population density (sq mi) | 17,874 | 11,771 | 287 |
| Median age | 35.5 | 34.6 | 40.6 |
| Male/Female ratio | 0.9:1 | 0.9:1 | 1.0:1 |
| Married (15yrs & older) | n/a | 39% | 56% |
| Families w/ Kids under 18 | 41% | 42% | 40% |
| Speak English | n/a | 77% | 89% |
| Speak Spanish | n/a | 11% | 5% |
| Race | Olney | Philadelphia | Pennsylvania |
| White | 9.84% | 39.33% | 81.37% |
| Black | 57.01% | 41.36% | 11.03% |
| Asian | 11.96% | 7.42% | 3.14% |
| American Indian | 0.13% | 0.33% | 0.20% |
| Native Hawaiian | 0.01% | 0.04% | 0.03% |
| Mixed race | 2.80% | 4.26% | 2.24% |
| Other race | 18.25% | 7.27% | 1.98% |
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