The Sinixt, or Lake Indians, as they are also known, live primarily on the Colville Indian Reservation in Washington State, where they form part of the Sinixt, or Lake Indians, which is recognized by the United States government as an American Indian Tribe.
he Confederated Tribes and Bands of the Yakama Nation have lived in Central and South Central Washington since time immemorial. The lands of the Yakama extended in all directions along the Cascade Mountain Range to the Columbia River and beyond.
The Duwamish Tribe are an unrecognized Lushootseed Native American tribe in western Washington, and the original indigenous people of metropolitan Seattle. The Duwamish tribe descends from at least two distinct groups from before intense contact with people of European ancestry—the People of the Inside (the environs of Elliott Bay) and the People of the Large Lake (Lake Washington).
The Chinook Indian Nation consists of the western most Chinookan people. This tribe includes bands of Lower Chinook, Clatsop, Willapa, Wahkiakum and Cathlamet. They have always resided in the lower Columbia River region.
The Upper and Lower Chehalis, are the principle tribes that make up today's Confederated Tribes of the Chehalis Reservation. Some Klallam, Muckleshoot, Nisqually, and Quinault peoples are also members of this federally recognized tribe.
The Lower Elwha Tribal Community is a federally recognized nation in Washington state in the Pacific Northwest of the United States. The tribe is part of the larger Klallam culture, one of the Coast Salish peoples.