| Statistic | Arnold City | Pennsylvania | National |
| Population | 337 | 12,801,989 | 328,239,523 |
| Population density (sq mi) | 702 | 287 | 91 |
| Median age | 57.0 | 40.6 | 37.7 |
| Male/Female ratio | 0.5:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 59% | 56% | 55% |
| Families w/ Kids under 18 | 13% | 40% | 43% |
| Speak English | 86% | 89% | 79% |
| Speak Spanish | 14% | 5% | 13% |
| Race | Arnold City | Pennsylvania | National |
| White | 73.89% | 81.37% | 73.35% |
| Black | 17.21% | 11.03% | 12.63% |
| Asian | 0.00% | 3.14% | 5.22% |
| American Indian | 0.00% | 0.20% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 8.90% | 2.24% | 3.06% |
| Other race | 0.00% | 1.98% | 4.75% |
Here are the best places to live in Pennsylvania
Check out the 10 most dangerous cities in Pennsylvania
Check out the 10 safest cities in Pennsylvania
These are the 10 cheapest cities in Pennsylvania