RANKING · 2024 ACS · 39 SHOWN OF 39

Highest fertility rate, Washington counties

Washington counties ranked by general fertility rate, meaning births per 1,000 women ages 15-50 in the past 12 months (2024 ACS). This list covers the 39 counties in Washington that qualify, ranked against each other statewide. The median across all 39 is 52.8.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

RANKPLACESTATEPOPBIRTHS PER 1,000 WOMEN (15-50)VS 2010

01Wahkiakum County, WAWA4,873108.8+72%

02Okanogan County, WAWA45,230102.1+29%

03Garfield County, WAWA2,41696.1+290%

04Asotin County, WAWA22,54594.7+3%

05Lincoln County, WAWA11,98287.8+51%

06Columbia County, WAWA4,14187.3+101%

07Franklin County, WAWA102,61277.8−15%

08Lewis County, WAWA88,06275.2+19%

09Yakima County, WAWA259,18569.2−13%

10Douglas County, WAWA46,47368.5+10%

11Grant County, WAWA105,72768.0−14%

12Grays Harbor County, WAWA78,14467.6+31%

13Chelan County, WAWA81,94157.4−4%

14Stevens County, WAWA49,66857.2+47%

15Pend Oreille County, WAWA14,45757.1−3%

16Kitsap County, WAWA283,37457.0−6%

17Pierce County, WAWA946,28855.7−8%

18Mason County, WAWA71,16555.4−4%

19Clark County, WAWA532,11955.1−6%

20Island County, WAWA85,65752.8−22%

21Klickitat County, WAWA24,33152.8+73%

22Cowlitz County, WAWA114,88552.7−22%

23Snohomish County, WAWA870,65652.6−8%

24Clallam County, WAWA78,20252.4−4%

25Adams County, WAWA21,48851.7−58%

26Spokane County, WAWA558,34451.5−3%

27Skagit County, WAWA132,97549.8−32%

28Benton County, WAWA221,72247.8−31%

29Walla Walla County, WAWA62,36145.0−6%

30King County, WAWA2,344,93943.5−18%

31Pacific County, WAWA24,35743.2−4%

32Thurston County, WAWA304,26142.6−36%

33Ferry County, WAWA7,51742.5+135%

34Jefferson County, WAWA33,97041.8−23%

35San Juan County, WAWA18,57735.4−29%

36Kittitas County, WAWA48,80333.8−2%

37Whatcom County, WAWA236,39232.0−30%

38Whitman County, WAWA48,51230.3−11%

39Skamania County, WAWA12,66924.4+158%

SHOWING 1–39 OF 39

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES