Data / Rankings / Live births, July to June / Counties in Montana

Counties in Montana by births (July to June), 2025

Yellowstone County had the highest births (July to June) of 56 counties in 2025, at 1,903. Treasure County had the lowest, at 3. The median was 74 and the figure for Montana was 11,348. Source: the U.S. Census Bureau.

Highest1,903Yellowstone County
Lowest3Treasure County
Median7456 counties
Montana11,348History

All counties, 2025

CSVChart (SVG)

Yellowstone CountyYellowstone County: 1,903 count1,903Flathead CountyFlathead County: 1,192 count1,192Gallatin CountyGallatin County: 1,137 count1,137Missoula CountyMissoula County: 1,079 count1,079Cascade CountyCascade County: 944 count944Lewis and Clark CountyLewis and Clark County: 690 count690Ravalli CountyRavalli County: 388 count388Lake CountyLake County: 307 count307Silver Bow CountySilver Bow County: 303 count303Hill CountyHill County: 226 count226Lincoln CountyLincoln County: 197 count197Big Horn CountyBig Horn County: 190 count190Glacier CountyGlacier County: 180 count180Park CountyPark County: 162 count162Roosevelt CountyRoosevelt County: 161 count161Fergus CountyFergus County: 146 count146Custer CountyCuster County: 138 count138Sanders CountySanders County: 132 count132Richland CountyRichland County: 130 count130Rosebud CountyRosebud County: 115 count115Carbon CountyCarbon County: 113 count113Dawson CountyDawson County: 109 count109Beaverhead CountyBeaverhead County: 96 count96Jefferson CountyJefferson County: 94 count94Deer Lodge CountyDeer Lodge County: 90 count90Stillwater CountyStillwater County: 83 count83Blaine CountyBlaine County: 81 count81Teton CountyTeton County: 75 count75Broadwater CountyBroadwater County: 73 count73Madison CountyMadison County: 72 count72Pondera CountyPondera County: 68 count68Valley CountyValley County: 68 count68Powell CountyPowell County: 61 count61Musselshell CountyMusselshell County: 60 count60Toole CountyToole County: 45 count45Chouteau CountyChouteau County: 44 count44Mineral CountyMineral County: 40 count40Fallon CountyFallon County: 38 count38Sweet Grass CountySweet Grass County: 37 count37Phillips CountyPhillips County: 31 count31Granite CountyGranite County: 24 count24Sheridan CountySheridan County: 24 count24Powder River CountyPowder River County: 23 count23Judith Basin CountyJudith Basin County: 22 count22McCone CountyMcCone County: 22 count22Wheatland CountyWheatland County: 21 count21Meagher CountyMeagher County: 19 count19Daniels CountyDaniels County: 18 count18Liberty CountyLiberty County: 15 count15Carter CountyCarter County: 14 count14Garfield CountyGarfield County: 14 count14Golden Valley CountyGolden Valley County: 13 count13Prairie CountyPrairie County: 7 count7Wibaux CountyWibaux County: 6 count6Petroleum CountyPetroleum County: 5 count5Treasure CountyTreasure County: 3 count3
count. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2025
count		Change on 2024
1Yellowstone County Estimated1,903+1.9%
2Flathead County Estimated1,192+0.1%
3Gallatin County Estimated1,137-6.6%
4Missoula County Estimated1,079+3.2%
5Cascade County Estimated944+0.4%
6Lewis and Clark County Estimated690+2.4%
7Ravalli County Estimated388+0.5%
8Lake County Estimated307-0.3%
9Silver Bow County Estimated303+1.3%
10Hill County Estimated226+2.3%
11Lincoln County Estimated197+5.3%
12Big Horn County Estimated190+2.2%
13Glacier County Estimated180+1.1%
14Park County Estimated162+1.3%
15Roosevelt County Estimated161+3.9%
16Fergus County Estimated146+5.8%
17Custer County Estimated138-0.7%
18Sanders County Estimated132+3.9%
19Richland County Estimated130+1.6%
20Rosebud County Estimated1150%
21Carbon County Estimated113+8.7%
22Dawson County Estimated109+0.9%
23Beaverhead County Estimated960%
24Jefferson County Estimated940%
25Deer Lodge County Estimated90+3.4%
26Stillwater County Estimated830%
27Blaine County Estimated81+1.3%
28Teton County Estimated750%
29Broadwater County Estimated73-3.9%
30Madison County Estimated72-6.5%
31Pondera County Estimated68-2.9%
31Valley County Estimated68+3%
33Powell County Estimated61+3.4%
34Musselshell County Estimated60-1.6%
35Toole County Estimated45+2.3%
36Chouteau County Estimated44+2.3%
37Mineral County Estimated40+5.3%
38Fallon County Estimated38-5%
39Sweet Grass County Estimated370%
40Phillips County Estimated310%
41Granite County Estimated24+4.3%
41Sheridan County Estimated24-4%
43Powder River County Estimated23-8%
44Judith Basin County Estimated22+4.8%
44McCone County Estimated22-8.3%
46Wheatland County Estimated21+5%
47Meagher County Estimated19-9.5%
48Daniels County Estimated180%
49Liberty County Estimated15-11.8%
50Carter County Estimated14-26.3%
50Garfield County Estimated140%
52Golden Valley County Estimated13-7.1%
53Prairie County Estimated70%
54Wibaux County Estimated6+20%
55Petroleum County Estimated5-16.7%
56Treasure County Estimated30%

Other periods

About this ranking

Estimated live births to resident mothers from July 1 of the previous year through June 30 of the reported year.

Census population estimates component. The year identifies the end of the July-to-June period. These estimates can be revised and differ from calendar-year birth totals.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Population Estimates Program: births, July 1 of the previous year to June 30 of the reported year, nation, states and counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.

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Questions

Which county has the highest births (July to June)?

Yellowstone County, with 1,903 in 2025, according to the U.S. Census Bureau.

Which county has the lowest births (July to June)?

Treasure County, with 3 in 2025.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program: births, July 1 of the previous year to June 30 of the reported year, nation, states and counties. Retrieved 2026-10-08.

Live births, July to June: other rankings

Counties in Montana: more rankings