Enumclaw is a city in King County, Washington, United States. The population was 10,669 at the 2010 census. Take a look below for 25 fascinating and amazing facts about Enumclaw, Washington, United States. 1. The 2019 estimate is 12,190. 2. The Enumclaw Plateau, on which the city resides, was formed by a volcanic mudflow (lahar)…