Silver Firs is a census-designated place (CDP) in Snohomish County, Washington, United States. The population was 22,174
Geography
Silver Firs is located at (47.881010, -122.178697).
According to the United States Census Bureau, the CDP has a total area of 14.0 square miles (36.2 km<sup>2</sup>), of which, 13.9 square miles (36.1 km<sup>2</sup>) of it is land and 0.04 square miles (0.1 km<sup>2</sup>) of it (0.21%) is water.
The CDP contains several large residential neighborhoods, including Silver Firs and the Highlands.