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Washington richest counties

Number of counties: 39
Median household income: 82,400
Richest county: King County
Table of counties in Washington sorted by household income from richest to poorest.
CountyMedian household income (dollars)
King County106,326
Snohomish County95,618
Kitsap County84,600
Clark County82,719
Pierce County82,574
Thurston County81,501
Benton County76,612
Island County75,628
Skamania County75,565
Skagit County75,308
Franklin County72,452
Whatcom County70,011
Douglas County68,979
San Juan County68,577
Mason County66,325
Chelan County64,895
Columbia County64,688
Cowlitz County64,506
Kittitas County64,134
Spokane County64,079
Walla Walla County63,686
Grant County63,566
Lincoln County62,810
Lewis County60,581
Clallam County60,044
Jefferson County59,968
Klickitat County59,583
Pend Oreille County59,134
Yakima County58,380
Asotin County57,263
Stevens County57,206
Pacific County54,598
Adams County54,573
Wahkiakum County54,422
Grays Harbor County53,615
Okanogan County51,992
Garfield County50,625
Ferry County45,907
Whitman County43,613

What is the richest county in Washington?

King County is the richest county in Washington with median household income of 106,326.

TOP-5 richest counties in Washington:
  • King County
  • Snohomish County
  • Kitsap County
  • Clark County
  • Pierce County