Fort Washington, Pennsylvania
| Fort Washington | |
|---|---|
| Coordinates: 40°08′19″N 75°11′29″W / 40.13861°N 75.19139°W | |
| Country | United States | 
| State | Pennsylvania | 
| County | Montgomery | 
| Township | Upper Dublin (CDP) Whitemarsh | 
| Area | |
|  • Total | 3.25 sq mi (8.43 km2) | 
| • Land | 3.25 sq mi (8.43 km2) | 
| • Water | 0.00 sq mi (0.00 km2) | 
| Elevation | 233 ft (71 m) | 
| Population  (2020) | |
|  • Total | 5,910 | 
| • Density | 1,816.23/sq mi (701.26/km2) | 
| Time zone | UTC-5 (EST) | 
| • Summer (DST) | UTC-4 (EDT) | 
| ZIP codes | 19034 | 
| Area codes | 215, 267, and 445 | 
| FIPS code | 42-26872 | 
Fort Washington is a census-designated place and suburb of Philadelphia in Montgomery County, Pennsylvania, United States. The CDP, as of 2020, is entirely in Upper Dublin Township. The population was 5,446 at the 2010 census.