Census ACS 2023 · 39 counties
Richest Counties in Washington
Income varies significantly across Washington's 39 counties. King County leads with a median household income of $122,148. County-level income data reveals economic disparities within the state that statewide averages can mask — affluent suburban counties often have incomes 2-3x higher than rural counties in the same state. These differences affect school funding, public services, and quality of life.
Source: Census ACS 2023 5-Year Estimates
| # | County | Median Income | Population |
|---|---|---|---|
| 1 | Yakima County | $68,015 | 256,605 |
| 2 | Whitman County | $52,893 | 47,042 |
| 3 | Whatcom County | $80,989 | 228,432 |
| 4 | Walla Walla County | $72,212 | 62,102 |
| 5 | Wahkiakum County | $57,091 | 4,573 |
| 6 | Thurston County | $93,985 | 296,640 |
| 7 | Stevens County | $67,405 | 47,470 |
| 8 | Spokane County | $73,513 | 544,323 |
| 9 | Snohomish County | $107,982 | 834,648 |
| 10 | Skamania County | $90,085 | 12,276 |
| 11 | Skagit County | $85,474 | 130,407 |
| 12 | San Juan County | $83,682 | 18,266 |
| 13 | Pierce County | $96,632 | 924,106 |
| 14 | Pend Oreille County | $63,750 | 13,811 |
| 15 | Pacific County | $62,350 | 23,750 |
| 16 | Okanogan County | $60,293 | 42,811 |
| 17 | Mason County | $78,359 | 66,968 |
| 18 | Lincoln County | $71,227 | 11,271 |
| 19 | Lewis County | $69,690 | 83,925 |
| 20 | Klickitat County | $70,400 | 23,082 |
| 21 | Kittitas County | $69,928 | 44,736 |
| 22 | Kitsap County | $98,546 | 276,581 |
| 23 | King County | $122,148 | 2,262,713 |
| 24 | Jefferson County | $71,143 | 33,313 |
| 25 | Island County | $88,358 | 86,747 |
| 26 | Grays Harbor County | $63,539 | 76,397 |
| 27 | Grant County | $71,115 | 100,428 |
| 28 | Garfield County | $62,411 | 2,326 |
| 29 | Franklin County | $82,755 | 97,676 |
| 30 | Ferry County | $54,650 | 7,326 |
| 31 | Douglas County | $80,374 | 43,733 |
| 32 | Cowlitz County | $72,932 | 111,539 |
| 33 | Columbia County | $71,528 | 3,996 |
| 34 | Clark County | $94,948 | 510,516 |
| 35 | Clallam County | $67,999 | 77,593 |
| 36 | Chelan County | $78,306 | 79,518 |
| 37 | Benton County | $87,316 | 210,224 |
| 38 | Asotin County | $69,107 | 22,424 |
| 39 | Adams County | $65,042 | 20,690 |
More Rankings for Washington
Frequently Asked Questions
King County is the #1 ranked county in Washington by median household income, with a value of $122,148 according to Census ACS 2023 data.
Washington has 39 counties tracked in Census ACS 2023 data.
All data comes from the American Community Survey (ACS) 2023 5-Year estimates by the US Census Bureau.
Data from the American Community Survey 2023 5-Year estimates. Covers all counties in Washington.