| | | Snohomish County | WA | 53061 | Everett, WA 21794 | Seattle-Tacoma-Bellevue,
WA 42660 | Seattle-Tacoma, WA 500 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=SnohomishCounty+WA |
| | | Spokane County | WA | 53063 | | Spokane-Spokane Valley,
WA 44060 | Spokane-Spokane
Valley-Coeur
d'Alene, WA-ID 518 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=SpokaneCounty+WA |
| | | Stevens County | WA | 53065 | | Spokane-Spokane Valley,
WA 44060 | Spokane-Spokane
Valley-Coeur
d'Alene, WA-ID 518 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=StevensCounty+WA |
| | | Thurston County | WA | 53067 | | Olympia-Lacey-Tumwater,
WA 36500 | Seattle-Tacoma, WA 500 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=ThurstonCounty+WA |
| | | Wahkiakum County | WA | 53069 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=WahkiakumCounty+WA |
| | | Walla Walla County | WA | 53071 | | Walla Walla, WA 47460 | Kennewick-Richland-Walla
Walla, WA 314 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=WallaWallaCounty+WA |
| | | Whatcom County | WA | 53073 | | Bellingham, WA 13380 | | Central | metro county (urban) | recreation | https://maps.google.com/?q=WhatcomCounty+WA |
| | | Whitman County | WA | 53075 | | Pullman, WA 39420 | Pullman-Moscow, WA-ID 446 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=WhitmanCounty+WA |
| | | Yakima County | WA | 53077 | | Yakima, WA 49420 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=YakimaCounty+WA |
