RANKING · 2024 ACS · 44 SHOWN OF 44

Highest fertility rate, Idaho counties

Idaho 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 44 counties in Idaho that qualify, ranked against each other statewide. The median across all 44 is 54.7.

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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

01Gooding County, IDID16,446156.6+95%

02Clark County, IDID783128.0−17%

03Bear Lake County, IDID6,727105.7+2%

04Owyhee County, IDID12,66198.3+15%

05Lewis County, IDID3,70492.8+87%

06Minidoka County, IDID22,91179.6+4%

07Cassia County, IDID26,39779.1−20%

08Bonneville County, IDID135,77176.1−5%

09Idaho County, IDID17,87471.9+158%

10Benewah County, IDID10,50869.0+3%

11Adams County, IDID5,01368.4+112%

12Bingham County, IDID51,15364.8−18%

13Boundary County, IDID13,99764.5−13%

14Twin Falls County, IDID97,53963.2−2%

15Lemhi County, IDID8,47462.5−28%

16Caribou County, IDID7,25261.1−49%

17Gem County, IDID21,77360.7+58%

18Fremont County, IDID14,20859.8−45%

19Shoshone County, IDID14,13058.8+16%

20Jerome County, IDID26,36258.0−39%

21Nez Perce County, IDID42,90556.6−1%

22Oneida County, IDID5,08554.7−50%

23Elmore County, IDID29,46554.3−32%

24Boise County, IDID8,54553.3−25%

25Lincoln County, IDID5,60352.5−44%

26Bonner County, IDID54,42050.2−29%

27Bannock County, IDID91,59149.3−38%

28Kootenai County, IDID191,86449.1−29%

29Valley County, IDID12,83149.0+21%

30Jefferson County, IDID35,29747.0−46%

31Teton County, IDID13,25446.0−22%

32Payette County, IDID27,82445.2−39%

33Power County, IDID8,24644.9−52%

34Ada County, IDID546,14143.6−32%

35Franklin County, IDID15,88943.2−42%

36Canyon County, IDID275,12342.9−54%

37Latah County, IDID41,84236.8−26%

38Blaine County, IDID25,51735.2−42%

39Madison County, IDID55,17230.8−54%

40Butte County, IDID2,78327.2−21%

41Clearwater County, IDID9,11824.6−36%

42Washington County, IDID11,58319.4−73%

43Custer County, IDID4,6368.6−86%

44Camas County, IDID1,3160.0−100%

SHOWING 1–44 OF 44

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