RANKING · 2024 ACS · 56 SHOWN OF 56

Lowest fertility rate, Montana counties

Montana 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 56 counties in Montana that qualify, ranked against each other statewide. The median across all 56 is 62.7.

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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

01Granite County, MTMT3,6586.6−62%

02Powell County, MTMT7,15711.2−87%

03Silver Bow County, MTMT36,11819.5−58%

04Chouteau County, MTMT5,86520.7−59%

05Meagher County, MTMT2,13724.8+12%

06Wheatland County, MTMT2,10025.0−46%

07Blaine County, MTMT6,86028.1−65%

08Roosevelt County, MTMT10,24228.2−65%

09Broadwater County, MTMT8,49332.8+19%

10Daniels County, MTMT1,61233.2+251%

11Missoula County, MTMT123,51333.8−7%

12Sanders County, MTMT14,06234.3−8%

13Lincoln County, MTMT22,32835.5−44%

14Jefferson County, MTMT13,32936.9−4%

15Lake County, MTMT33,39243.0−50%

16Gallatin County, MTMT128,74045.0−12%

17Flathead County, MTMT115,42948.7−21%

18Beaverhead County, MTMT10,04348.9−25%

19Teton County, MTMT6,49649.6−2%

20Carbon County, MTMT11,46651.0+48%

21Lewis and Clark County, MTMT75,33151.4−13%

22Hill County, MTMT16,16751.5−26%

23Stillwater County, MTMT9,44553.1+71%

24Valley County, MTMT7,38555.1+2%

25Mineral County, MTMT5,18558.6+68%

26Big Horn County, MTMT12,75259.5−32%

27Dawson County, MTMT8,69262.0−49%

28Sweet Grass County, MTMT3,76262.3+1359%

29McCone County, MTMT1,72062.7+3%

30Sheridan County, MTMT3,43665.2+9%

31Deer Lodge County, MTMT9,70967.0+57%

32Madison County, MTMT10,02667.2−22%

33Richland County, MTMT11,37768.1−45%

34Park County, MTMT18,21468.8+67%

35Ravalli County, MTMT48,58269.3+20%

36Fergus County, MTMT11,82569.5−6%

37Phillips County, MTMT4,20370.2+181%

38Yellowstone County, MTMT172,69270.7−3%

39Glacier County, MTMT13,46372.0−6%

40Custer County, MTMT12,03485.0−12%

41Cascade County, MTMT85,02986.8+27%

42Fallon County, MTMT2,95987.5+470%

43Toole County, MTMT5,21189.0+513%

44Rosebud County, MTMT8,25391.7+70%

45Powder River County, MTMT1,781108.5−8%

46Judith Basin County, MTMT2,162110.1+356%

47Wibaux County, MTMT885111.1+175%

48Golden Valley County, MTMT844113.5–

49Musselshell County, MTMT5,582120.2+14%

50Garfield County, MTMT1,148122.4–

51Prairie County, MTMT1,112125.0+85%

52Pondera County, MTMT6,072128.1+270%

53Treasure County, MTMT728129.3–

54Carter County, MTMT1,383138.6+693%

55Liberty County, MTMT1,957158.2+459%

56Petroleum County, MTMT548159.4+155%

SHOWING 1–56 OF 56

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