CensusEasy
RANKING · 2010 CENSUS · 39 SHOWN OF 39

Most racially diverse, Washington counties · 2010

Washington counties ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different race or ethnicity (2023 ACS). This list covers the 39 counties in Washington that qualify, ranked against each other statewide.

Flip the list · Least racially diverse, US counties
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SAME RANKING BYCitiesStatesMetrosZIP codes
RELATEDOldest by median ageYoungest by median ageMost foreign-born residentsHighest uninsured rateMost womenMost men
YEAR19902000201020202024
Most racially diverse by state
RANKPLACESTATEPOPDIVERSITY SCOREVS 2000
01Yakima County, WAWA259,18571+15%
02Franklin County, WAWA102,61269+2%
03King County, WAWA2,344,93968+42%
04Grant County, WAWA105,72765+16%
05Adams County, WAWA21,48863−0%
06Okanogan County, WAWA45,23060+68%
07Pierce County, WAWA946,28860+48%
08Douglas County, WAWA46,47357+37%
09Chelan County, WAWA81,94154+31%
10Snohomish County, WAWA870,65653+84%
11Walla Walla County, WAWA62,36151+29%
12Benton County, WAWA221,72251+46%
13Ferry County, WAWA7,51748+375%
14Skagit County, WAWA132,97547+57%
15Thurston County, WAWA304,26145+65%
16Kitsap County, WAWA283,37444+61%
17Grays Harbor County, WAWA78,14440+151%
18Clark County, WAWA532,11940+72%
19Whatcom County, WAWA236,39239+83%
20Whitman County, WAWA48,51238+60%
21Island County, WAWA85,65738+52%
22Mason County, WAWA71,16537+109%
23Klickitat County, WAWA24,33136+70%
24Pacific County, WAWA24,35734+90%
25Clallam County, WAWA78,20233+140%
26Cowlitz County, WAWA114,88532+104%
27Lewis County, WAWA88,06231+100%
28Kittitas County, WAWA48,80331+65%
29Spokane County, WAWA558,34430+93%
30Columbia County, WAWA4,14128+68%
31Stevens County, WAWA49,66826+279%
32Skamania County, WAWA12,66925+104%
33Jefferson County, WAWA33,97025+168%
34Garfield County, WAWA2,41624+268%
35Pend Oreille County, WAWA14,45723+213%
36San Juan County, WAWA18,57721+138%
37Asotin County, WAWA22,54518+169%
38Lincoln County, WAWA11,98216+165%
39Wahkiakum County, WAWA4,87313+61%
SHOWING 1–39 OF 39
Download CSV (full list, 39 rows)How this score is calculated

UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES