|This article does not cite any references or sources. (September 2011)|
|• Land||3.21 sq mi (8.3 km2)|
|• Water||.03 sq mi (0.08 km2)|
|Elevation||1,237 ft (377 m)|
|Time zone||Pacific (PST) (UTC-8)|
|• Summer (DST)||PDT (UTC-7)|
Alder is a census-designated place (CDP) in Pierce County, Washington, United States. The population was 227 at the 2010 census. The community is located along the shore of Alder Lake on State Route Highway 7 near the entrance to Mount Rainier National Park.