| Official Zip Code Name | Fredericktown |
| Zip Code State | Pennsylvania |
| Primary County: | Washington |
| Area Code | 878 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 1202 ft. |
| Area | 14.354 Sqm. |
| Coordinates(Y,X) | 40.030302, -80.010516 |