Clallam County, Washington, United States. It is located along the Dungeness River near the base of the Olympic Mountains. The 2020 census counted a population of 8,018, with an estimated population in 2021 of 8,241.nearOlympic Mountains (Wikipedia)retrieved2024-01-12tagsSequim, WashingtonClallam County, Washington (Wikipedia)Washington (state) (Wikipedia)Wikipediawebsitehttps://en.wikipedia.org/wiki/Sequim,_Washington