Eastmont is a census-designated place in Snohomish County, Washington, United States. The population was 20,101 at the 2010 census. Eastmont is one of two CDPs that were created out of the former Seattle Hill-Silver Firs CDP in 2010, the other being Silver Firs. Eastmont is the location of Community Transit's Eastmont Park& Ride, which is serviced by Sound Transit Express route 513.