| 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% | 

 
				
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				| 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% |