RANKING · 2024 ACS · 39 SHOWN OF 39

Lowest fertility rate, Washington counties

Washington counties with the lowest general fertility rate, births per 1,000 women ages 15-50 in the past 12 months (2023 ACS). This list covers the 39 counties in Washington that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR2010 2024

RANKPLACESTATEPOPBIRTHS PER 1,000 WOMEN (15-50)VS 2000

01Skamania County, WAWA12,66924.4–

02Whitman County, WAWA48,51230.3–

03Whatcom County, WAWA236,39232.0–

04Kittitas County, WAWA48,80333.8–

05San Juan County, WAWA18,57735.4–

06Jefferson County, WAWA33,97041.8–

07Ferry County, WAWA7,51742.5–

08Thurston County, WAWA304,26142.6–

09Pacific County, WAWA24,35743.2–

10King County, WAWA2,344,93943.5–

11Walla Walla County, WAWA62,36145.0–

12Benton County, WAWA221,72247.8–

13Skagit County, WAWA132,97549.8–

14Spokane County, WAWA558,34451.5–

15Adams County, WAWA21,48851.7–

16Clallam County, WAWA78,20252.4–

17Snohomish County, WAWA870,65652.6–

18Cowlitz County, WAWA114,88552.7–

19Klickitat County, WAWA24,33152.8–

20Island County, WAWA85,65752.8–

21Clark County, WAWA532,11955.1–

22Mason County, WAWA71,16555.4–

23Pierce County, WAWA946,28855.7–

24Kitsap County, WAWA283,37457.0–

25Pend Oreille County, WAWA14,45757.1–

26Stevens County, WAWA49,66857.2–

27Chelan County, WAWA81,94157.4–

28Grays Harbor County, WAWA78,14467.6–

29Grant County, WAWA105,72768.0–

30Douglas County, WAWA46,47368.5–

31Yakima County, WAWA259,18569.2–

32Lewis County, WAWA88,06275.2–

33Franklin County, WAWA102,61277.8–

34Columbia County, WAWA4,14187.3–

35Lincoln County, WAWA11,98287.8–

36Asotin County, WAWA22,54594.7–

37Garfield County, WAWA2,41696.1–

38Okanogan County, WAWA45,230102.1–

39Wahkiakum County, WAWA4,873108.8–

SHOWING 1–39 OF 39

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