Claim: The Hoh Indian Reservation located on the Pacific Coast of Jefferson County has the highest population of all the Indian reservations in Washington.
Evidence: The Hoh or Chalá·at (′Those-Who-Live-on-the-Hoh River′ or ′People of the Hoh River′) are a Native American tribe in western Washington state in the United States. The Hoh moved onto the Hoh Indian Reservation, at the mouth of the Hoh River, on the Pacific Coast of Jefferson County, after the signing of the Quinault Treaty on July 1, 1855. Hoh Indian Reservation 102 Yakama Indian Reservation 10,851