countyscore

Best Health Counties in Washington

Life expectancy, uninsured rates, and health access Compare rankings across all 39 counties.

Average Health Score
65/100
Top County
King County
Counties Ranked
39

Top 10

#1
King County
WA
95/100
#2
Island County
WA
89/100
#3
Kitsap County
WA
86/100
#4
Clark County
WA
84/100
#5
Snohomish County
WA
84/100
#6
Skamania County
WA
83/100
#7
Thurston County
WA
82/100
#8
Jefferson County
WA
82/100
#9
San Juan County
WA
80/100
#10
Whatcom County
WA
80/100

All Washington Counties Ranked

#CountyHealth ScoreOverall Score
1King County, WA
94.5
39.5
2Island County, WA
88.8
50.7
3Kitsap County, WA
86
40.1
4Clark County, WA
83.9
38.2
5Snohomish County, WA
83.5
41.7
6Skamania County, WA
82.5
57.8
7Thurston County, WA
82.2
37.7
8Jefferson County, WA
82.1
48.6
9San Juan County, WA
79.7
55.5
10Whatcom County, WA
79.5
38
11Kittitas County, WA
75.3
41.8
12Spokane County, WA
74.6
36.8
13Pierce County, WA
74.1
33.7
14Garfield County, WA
73.8
54.4
15Skagit County, WA
73.4
37.3
16Whitman County, WA
70.1
49.8
17Wahkiakum County, WA
68.7
69.1
18Lincoln County, WA
68.3
60.9
19Asotin County, WA
68.1
45
20Benton County, WA
67.3
36.8
21Clallam County, WA
66.1
40.4
22Stevens County, WA
65.3
55.1
23Columbia County, WA
64.5
44.8
24Walla Walla County, WA
63.5
37
25Klickitat County, WA
63.2
52.7
26Chelan County, WA
59.3
42
27Douglas County, WA
57.8
45.1
28Cowlitz County, WA
56.7
36
29Mason County, WA
56.6
40.1
30Pend Oreille County, WA
53.8
54.7
31Pacific County, WA
52.5
45.7
32Lewis County, WA
52.2
37.2
33Grays Harbor County, WA
47
36.2
34Franklin County, WA
41.9
34.4
35Grant County, WA
41.4
32.8
36Ferry County, WA
39.4
58
37Adams County, WA
35.9
37.4
38Okanogan County, WA
32.8
45.9
39Yakima County, WA
26.1
30.4

Data Source

Health data from HealthByCounty. See full details at HealthByCounty. Data updated February 2026.