Counties in Montana by birth rate (July to June)

Roosevelt County had the highest birth rate (July to June) of 56 counties in 2023, at 15.15 per 1,000 inhabitants. Granite County had the lowest, at 6.5 per 1,000 inhabitants. The median was 9.85 per 1,000 inhabitants and the figure for Montana was 9.79 per 1,000 inhabitants. Source: the U.S. Census Bureau.

Highest15.15Roosevelt County
Median9.8556 counties
Montana9.79History

All counties, 2023

CSVChart (SVG)

Roosevelt CountyRoosevelt County: 15.15 per 1,000 inhabitants15.15Rosebud CountyRosebud County: 14.67 per 1,000 inhabitants14.67Big Horn CountyBig Horn County: 14.38 per 1,000 inhabitants14.38Wibaux CountyWibaux County: 13.14 per 1,000 inhabitants13.14Fallon CountyFallon County: 12.9 per 1,000 inhabitants12.9Golden Valley CountyGolden Valley County: 12.9 per 1,000 inhabitants12.9Glacier CountyGlacier County: 12.74 per 1,000 inhabitants12.74Richland CountyRichland County: 12.48 per 1,000 inhabitants12.48Garfield CountyGarfield County: 12.35 per 1,000 inhabitants12.35Hill CountyHill County: 12.15 per 1,000 inhabitants12.15Pondera CountyPondera County: 12.14 per 1,000 inhabitants12.14Liberty CountyLiberty County: 11.72 per 1,000 inhabitants11.72Blaine CountyBlaine County: 11.43 per 1,000 inhabitants11.43Teton CountyTeton County: 11.43 per 1,000 inhabitants11.43Daniels CountyDaniels County: 11 per 1,000 inhabitants11Fergus CountyFergus County: 10.91 per 1,000 inhabitants10.91Cascade CountyCascade County: 10.83 per 1,000 inhabitants10.83Prairie CountyPrairie County: 10.79 per 1,000 inhabitants10.79Dawson CountyDawson County: 10.78 per 1,000 inhabitants10.78Yellowstone CountyYellowstone County: 10.7 per 1,000 inhabitants10.7McCone CountyMcCone County: 10.6 per 1,000 inhabitants10.6Flathead CountyFlathead County: 10.58 per 1,000 inhabitants10.58Treasure CountyTreasure County: 10.49 per 1,000 inhabitants10.49Meagher CountyMeagher County: 10.24 per 1,000 inhabitants10.24Musselshell CountyMusselshell County: 10.02 per 1,000 inhabitants10.02Carter CountyCarter County: 9.97 per 1,000 inhabitants9.97Sheridan CountySheridan County: 9.93 per 1,000 inhabitants9.93Custer CountyCuster County: 9.92 per 1,000 inhabitants9.92Powder River CountyPowder River County: 9.79 per 1,000 inhabitants9.79Beaverhead CountyBeaverhead County: 9.79 per 1,000 inhabitants9.79Lincoln CountyLincoln County: 9.6 per 1,000 inhabitants9.6Judith Basin CountyJudith Basin County: 9.55 per 1,000 inhabitants9.55Park CountyPark County: 9.45 per 1,000 inhabitants9.45Toole CountyToole County: 9.23 per 1,000 inhabitants9.23Phillips CountyPhillips County: 9.23 per 1,000 inhabitants9.23Stillwater CountyStillwater County: 9.23 per 1,000 inhabitants9.23Broadwater CountyBroadwater County: 9.08 per 1,000 inhabitants9.08Lewis and Clark CountyLewis and Clark County: 8.96 per 1,000 inhabitants8.96Gallatin CountyGallatin County: 8.95 per 1,000 inhabitants8.95Powell CountyPowell County: 8.75 per 1,000 inhabitants8.75Missoula CountyMissoula County: 8.66 per 1,000 inhabitants8.66Sanders CountySanders County: 8.64 per 1,000 inhabitants8.64Madison CountyMadison County: 8.53 per 1,000 inhabitants8.53Sweet Grass CountySweet Grass County: 8.52 per 1,000 inhabitants8.52Lake CountyLake County: 8.48 per 1,000 inhabitants8.48Carbon CountyCarbon County: 8.39 per 1,000 inhabitants8.39Jefferson CountyJefferson County: 8.26 per 1,000 inhabitants8.26Wheatland CountyWheatland County: 8.26 per 1,000 inhabitants8.26Deer Lodge CountyDeer Lodge County: 8.13 per 1,000 inhabitants8.13Silver Bow CountySilver Bow County: 8.01 per 1,000 inhabitants8.01Valley CountyValley County: 7.87 per 1,000 inhabitants7.87Ravalli CountyRavalli County: 7.73 per 1,000 inhabitants7.73Chouteau CountyChouteau County: 7.63 per 1,000 inhabitants7.63Petroleum CountyPetroleum County: 7.48 per 1,000 inhabitants7.48Mineral CountyMineral County: 7.46 per 1,000 inhabitants7.46Granite CountyGranite County: 6.5 per 1,000 inhabitants6.5
per 1,000 inhabitants. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2023
per 1,000 inhabitants
Change on 2022
1Roosevelt County Estimated15.15+1.35 pts
2Rosebud County Estimated14.67-0.65 pts
3Big Horn County Estimated14.38+0.25 pts
4Wibaux County Estimated13.14+5.6 pts
5Fallon County Estimated12.9+3.33 pts
6Golden Valley County Estimated12.9-0.34 pts
7Glacier County Estimated12.74+0.22 pts
8Richland County Estimated12.48+1.01 pts
9Garfield County Estimated12.35-4.97 pts
10Hill County Estimated12.15-0.93 pts
11Pondera County Estimated12.14-2.22 pts
12Liberty County Estimated11.72+2.49 pts
13Blaine County Estimated11.43+1.39 pts
14Teton County Estimated11.43+0.81 pts
15Daniels County Estimated11+5.55 pts
16Fergus County Estimated10.91+1.37 pts
17Cascade County Estimated10.83-0.27 pts
18Prairie County Estimated10.79-0.97 pts
19Dawson County Estimated10.78+2.28 pts
20Yellowstone County Estimated10.7-0.26 pts
21McCone County Estimated10.6-1.08 pts
22Flathead County Estimated10.58-0.18 pts
23Treasure County Estimated10.49+1.31 pts
24Meagher County Estimated10.24+1.73 pts
25Musselshell County Estimated10.02+0.72 pts
26Carter County Estimated9.97-2.82 pts
27Sheridan County Estimated9.93+0.4 pts
28Custer County Estimated9.92+0.57 pts
29Powder River County Estimated9.79-0.1 pts
30Beaverhead County Estimated9.79+2.11 pts
31Lincoln County Estimated9.6+1.14 pts
32Judith Basin County Estimated9.55+1.32 pts
33Park County Estimated9.45+1.81 pts
34Toole County Estimated9.23-3.51 pts
35Phillips County Estimated9.23-0.99 pts
36Stillwater County Estimated9.23-1.1 pts
37Broadwater County Estimated9.08-2.56 pts
38Lewis and Clark County Estimated8.96-0.3 pts
39Gallatin County Estimated8.95-0.93 pts
40Powell County Estimated8.75+2.36 pts
41Missoula County Estimated8.66-0.5 pts
42Sanders County Estimated8.64-0.41 pts
43Madison County Estimated8.53+1.6 pts
44Sweet Grass County Estimated8.52+0.71 pts
45Lake County Estimated8.48-1.29 pts
46Carbon County Estimated8.39+0.98 pts
47Jefferson County Estimated8.26-0.03 pts
48Wheatland County Estimated8.26-3.47 pts
49Deer Lodge County Estimated8.13+0.68 pts
50Silver Bow County Estimated8.01-0.55 pts
51Valley County Estimated7.87-5.61 pts
52Ravalli County Estimated7.73-1.18 pts
53Chouteau County Estimated7.63+2.23 pts
54Petroleum County Estimated7.48-7.89 pts
55Mineral County Estimated7.46-1.01 pts
56Granite County Estimated6.5-1.1 pts

Other periods

About this ranking

Estimated live births from July 1 of the previous year through June 30 of the reported year per 1,000 residents, using the average of the population estimates at the two July 1 endpoints.

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

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: birth rate, 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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Rank Counties in Montana by birth rate (July to June) using official data, and cite the source.
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Questions

Which county has the highest birth rate (July to June)?

Roosevelt County, with 15.15 per 1,000 inhabitants in 2023, according to the U.S. Census Bureau.

Which county has the lowest birth rate (July to June)?

Granite County, with 6.5 per 1,000 inhabitants in 2023.

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: birth rate, July 1 of the previous year to June 30 of the reported year, nation, states and counties. Retrieved 2026-10-08.

Crude birth rate, July to June: other rankings

Counties in Montana: more rankings