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. 99208
7. 98391
8. 98115
9. 98270
10. 98133

20 Richest Counties in Washington

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

20 Richest Cities in Washington

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