| Official Name | Pop. | Area (acres)
 | Location of Reservation | 
| Confederated Tribes of the Chehalis Reservation | 833 | 4,438 | Southeastern Grays Harbor County and southwestern Thurston County. | 
| Colville Indian Reservation | 7,587 | 2,116.802 | Primarily in the southeastern section of Okanogan County and the southern half of Ferry County. | 
  
| Hoh Indian Reservation | 102 | 477 | The Pacific Coast of Jefferson County. | 
| Jamestown S'Klallam Indian Reservation | 594 | 13.49 | Near Sequim Bay, in extreme eastern Clallam County. | 
| Kalispel Indian Reservation | ~400 | 4,557 | The town of Cusick, in Pend Oreille County. | 
| Lower Elwha Indian Reservation | 776 | -- | The mouth of the Elwha River, in Clallam County. | 
| Lummi Indian Reservation | 6,590 | 13,437 | West of Bellingham, in western Whatcom County. | 
| Makah Indian Reservation | 1,356 | 30,011 | On Cape Flattery in Clallam County. | 
| Muckleshoot Indian Reservation | ~3,300 | 3,921.92 | Southeast of Auburn in King County. | 
| Nisqually Indian Reservation | 588 | 1,728 | Western Pierce County and eastern Thurston County. | 
| Nooksack Indian Reservation | 1,800 | 2,720 | Town of Deming, Washington in western Whatcom County. | 
| Port Gamble Indian Reservation | 1,234 | 1,303 | Port Gamble Bay in Clallam County. | 
| Port Madison Reservation (Suquamish Indian Reservation) | -- | -- | Western and northern shores of Port Madison, northern Kitsap County. | 
| Puyallup Indian Reservation | ~ 4000 | 18,270 | Primarily northern Pierce County. | 
| Quileute Indian Reservation | 371 | 1,003.4 | Southwestern portion of the Olympic Peninsula in Clallam County. | 
| Quinault Indian Nation | 2,535 | 208,150 | Primarily the north coast of Grays Harbor County. | 
| Samish Indian Reservation | ~1000 | ~330 | Anacortes, pending outcome of legal claims. | 
| Sauk-Suiattle Indian Reservation | ~200 | 107 | Near Darrington in southern Skagit County. | 
| Shoalwater Bay Indian Reservation | 70 | 665.4 | Along Willapa Bay in northwestern Pacific County. | 
| Skokomish Indian Reservation | 796 | -- | Just north of Shelton in Mason County. | 
| Snoqualmie Indian Reservation | ~650 | -- | Snoqualmie Valley in east King and Snohomish Counties. | 
| Spokane Indian Reservation | 2,708 | 152.011 | Almost entirely in southern Stevens County and in northeastern Lincoln County along the Spokane River. | 
| Squaxin Island Indian Reservation | 936 | 1,715.46 | The entirely of Squaxin Island and the town of Kamilche in Mason County. | 
| Stillaguamish Indian Reservation | 237 | -- | Along the Stillaguamish River in Snohomish County. | 
| Swinomish Indian Reservation | 778 | 10,350 | The southeastern side of Fidalgo Island in Skagit County. | 
| Tulalip Indian Reservation | 2500-2800 | 22,567 | Port Susan in western Snohomish County. | 
| Upper Skagit Indian Reservation | ~200 | 110.45 | Western Skagit County near the towns of Sedro-Woolley and Burlington. | 
| Yakama Indian Reservation | 10,851 | 1,399,000 | Primarily in southern Yakima County and in the northern edge of Klickitat County. |