Marblemount, Washington
| Marblemount, Washington | |
|---|---|
| Location of Marblemount, Washington | |
| Coordinates: 48°32′30″N 121°26′23″W / 48.54167°N 121.43972°W | |
| Country | United States | 
| State | Washington | 
| County | Skagit | 
| Area | |
|  • Total | 2.5 sq mi (6.4 km2) | 
| • Land | 2.4 sq mi (6.1 km2) | 
| • Water | 0.1 sq mi (0.3 km2) | 
| Elevation | 358 ft (109 m) | 
| Population  (2020) | |
|  • Total | 286 | 
| • Density | 110/sq mi (45/km2) | 
| Time zone | UTC-8 (Pacific (PST)) | 
| • Summer (DST) | UTC-7 (PDT) | 
| ZIP code | 98267 | 
| Area code | 360 | 
| FIPS code | 53-43325 | 
| GNIS feature ID | 2408175 | 
Marblemount is a census-designated place in Skagit County, Washington, United States. The population was 286 at the 2020 census. It is included in the Mount Vernon–Anacortes, Washington Metropolitan Statistical Area.