Willapa is a census-designated place (CDP) in Pacific County, Washington, east of the city of Raymond. As of the 2020 census, Willapa had a population of 208. The name comes from that of the Willapa people, an Athapaskan-speaking people, now extinct, who occupied the Willapa River valley, which was similarly named after the Willapa people, along which the census-designated place Willapa is located.