RANKING · 2024 ACS · 44 SHOWN OF 44

Lowest fertility rate, Idaho counties

Idaho counties with the lowest general fertility rate, 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.

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SAME RANKING BYCities States Metros ZIP codes

YEAR2010 2024

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

01Camas County, IDID1,3160.0−100%

02Custer County, IDID4,6368.6−86%

03Washington County, IDID11,58319.4−73%

04Clearwater County, IDID9,11824.6−36%

05Butte County, IDID2,78327.2−21%

06Madison County, IDID55,17230.8−54%

07Blaine County, IDID25,51735.2−42%

08Latah County, IDID41,84236.8−26%

09Canyon County, IDID275,12342.9−54%

10Franklin County, IDID15,88943.2−42%

11Ada County, IDID546,14143.6−32%

12Power County, IDID8,24644.9−52%

13Payette County, IDID27,82445.2−39%

14Teton County, IDID13,25446.0−22%

15Jefferson County, IDID35,29747.0−46%

16Valley County, IDID12,83149.0+21%

17Kootenai County, IDID191,86449.1−29%

18Bannock County, IDID91,59149.3−38%

19Bonner County, IDID54,42050.2−29%

20Lincoln County, IDID5,60352.5−44%

21Boise County, IDID8,54553.3−25%

22Elmore County, IDID29,46554.3−32%

23Oneida County, IDID5,08554.7−50%

24Nez Perce County, IDID42,90556.6−1%

25Jerome County, IDID26,36258.0−39%

26Shoshone County, IDID14,13058.8+16%

27Fremont County, IDID14,20859.8−45%

28Gem County, IDID21,77360.7+58%

29Caribou County, IDID7,25261.1−49%

30Lemhi County, IDID8,47462.5−28%

31Twin Falls County, IDID97,53963.2−2%

32Boundary County, IDID13,99764.5−13%

33Bingham County, IDID51,15364.8−18%

34Adams County, IDID5,01368.4+112%

35Benewah County, IDID10,50869.0+3%

36Idaho County, IDID17,87471.9+158%

37Bonneville County, IDID135,77176.1−5%

38Cassia County, IDID26,39779.1−20%

39Minidoka County, IDID22,91179.6+4%

40Lewis County, IDID3,70492.8+87%

41Owyhee County, IDID12,66198.3+15%

42Bear Lake County, IDID6,727105.7+2%

43Clark County, IDID783128.0−17%

44Gooding County, IDID16,446156.6+95%

SHOWING 1–44 OF 44

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES