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is a city in Whatcom County, Washington, United States. The population was 8,758 at the 2000 census.
Ferndale was officially incorporated on March 19, 1907. It is so called because of the ferns that once grew around the original school house. Ferndale was originally called Jam because the town was located next to a log jam on the Nooksack River. The original schoolteacher decided it needed a more picturesque name.