| Hickory, Pennsylvania | |
|---|---|
|   | |
| Country | United States | 
| State | Pennsylvania | 
| County | Washington | 
| Area | |
|  • Total | 2.85 sq mi (7.37 km2) | 
| • Land | 2.85 sq mi (7.37 km2) | 
| • Water | 0.00 sq mi (0.00 km2) | 
| Population | |
|  • Total | 664 | 
| • Density | 233.39/sq mi (90.13/km2) | 
| Time zone | UTC-5 (Eastern (EST)) | 
| • Summer (DST) | UTC-4 (EDT) | 
| ZIP code | 15340 [3]  | 
| Area code | 724 | 
| FIPS code | 42-34256 | 
Hickory is a census-designated place [4] located in Mount Pleasant Township, Washington County in the state of Pennsylvania. As of the 2010 census [5] the population was 740 residents.
| Census | Pop. | Note | %± | 
|---|---|---|---|
| 2010 | 740 | — | |
| 2020 | 664 | −10.3% | |
| U.S. Decennial Census [6] | |||