| Rank |
County |
Income Per Household |
| 1 |
King County, Washington
|
$70,567
|
| 2 |
Snohomish County, Washington
|
$67,777
|
| 3 |
Thurston County, Washington
|
$63,129
|
| 4 |
Kitsap County, Washington
|
$61,112
|
| 5 |
Benton County, Washington
|
$59,974
|
| 6 |
Island County, Washington
|
$59,328
|
| 7 |
Clark County, Washington
|
$59,051
|
| 8 |
Pierce County, Washington
|
$58,824
|
| 9 |
Skagit County, Washington
|
$55,555
|
| 10 |
Skamania County, Washington
|
$52,884
|
| 11 |
San Juan County, Washington
|
$51,395
|
| 12 |
Whatcom County, Washington
|
$51,389
|
| 13 |
Franklin County, Washington
|
$50,731
|
| 14 |
Douglas County, Washington
|
$49,707
|
| 15 |
Chelan County, Washington
|
$49,509
|
| 16 |
Spokane County, Washington
|
$49,257
|
| 17 |
Mason County, Washington
|
$48,912
|
| 18 |
Garfield County, Washington
|
$47,379
|
| 19 |
Jefferson County, Washington
|
$46,887
|
| 20 |
Walla Walla County, Washington
|
$46,793
|
| 21 |
Lincoln County, Washington
|
$46,765
|
| 22 |
Cowlitz County, Washington
|
$46,461
|
| 23 |
Clallam County, Washington
|
$46,212
|
| 24 |
Yakima County, Washington
|
$44,419
|
| 25 |
Lewis County, Washington
|
$44,373
|
| 26 |
Stevens County, Washington
|
$44,354
|
| 27 |
Grant County, Washington
|
$44,237
|
| 28 |
Columbia County, Washington
|
$44,038
|
| 29 |
Kittitas County, Washington
|
$42,769
|
| 30 |
Grays Harbor County, Washington
|
$42,729
|
| 31 |
Asotin County, Washington
|
$41,993
|
| 32 |
Adams County, Washington
|
$41,219
|
| 33 |
Wahkiakum County, Washington
|
$41,149
|
| 34 |
Pacific County, Washington
|
$40,599
|
| 35 |
Okanogan County, Washington
|
$40,537
|
| 36 |
Pend Oreille County, Washington
|
$38,922
|
| 37 |
Klickitat County, Washington
|
$38,774
|
| 38 |
Ferry County, Washington
|
$35,684
|
| 39 |
Whitman County, Washington
|
$35,409
|