Washington Demographics Site Map

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Browse Washington Counties & Cities Alphabetically

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Browse Washington Zip Codes

• Zip Codes by Population

Largest 10 Counties by Population

1. King County
2. Pierce County
3. Snohomish County
4. Spokane County
5. Clark County
6. Thurston County
7. Kitsap County
8. Yakima County
9. Whatcom County
10. Benton County

Largest 10 Cities by Population

1. Seattle
2. Spokane
3. Tacoma
4. Vancouver
5. Bellevue
6. Kent
7. Everett
8. Spokane Valley
9. Renton
10. Federal Way

Largest 10 Zip Codes by Population

1. 99301
2. 98052
3. 98012
4. 98682
5. 98208
6. 98391
7. 99208
8. 98270
9. 98115
10. 98133

20 Richest Counties in Washington

1. King County
2. Snohomish County
3. Kitsap County
4. San Juan County
5. Clark County
6. Pierce County
7. Skamania County
8. Thurston County
9. Benton County
10. Island County
11. Chelan County
12. Skagit County
13. Douglas County
14. Whatcom County
15. Franklin County
16. Jefferson County
17. Spokane County
18. Kittitas County
19. Mason County
20. Walla Walla County

20 Richest Cities in Washington

1. Hunts Point
2. Medina
3. Clyde Hill
4. Yarrow Point
5. Woodway
6. Beaux Arts Village
7. Mercer Island
8. Sammamish
9. Ames Lake
10. Union Hill-Novelty Hill
11. Cottage Lake
12. Snoqualmie
13. Bainbridge Island
14. Rosedale
15. Canterwood
16. Riverpoint
17. Newcastle
18. Bellevue
19. High Bridge
20. Fox Island