West Slope is an unincorporated suburb, neighborhood of Beaverton, Oregon, United States and a census-designated place. It is in Washington County, to the east of Cedar Hills, to the northwest of Raleigh Hills and south of U.S. Route 26. Fire protection and EMS services are provided through Tualatin Valley Fire and Rescue. As of the 2000 census, the suburb population was 6,442. In a plan agreed to by the county and Beaverton, West Slope was scheduled for annexation to Beaverton by 2010.