Counties in Montana by adult obesity rate, local model estimate, 2023

Blaine County had the highest adult obesity rate, local model estimate of 56 counties in 2023, at 41.1%. Gallatin County had the lowest, at 23%. The median was 32.8%. Source: the Centers for Disease Control and Prevention.

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Highest41.1Blaine County
Median32.856 counties

Map of counties, 2023

Beaverhead County: 28.3 %Big Horn County: 35.5 %Blaine County: 41.1 %Broadwater County: 30.7 %Carbon County: 33 %Carter County: 32.9 %Cascade County: 35.3 %Chouteau County: 35.6 %Custer County: 32.6 %Daniels County: 33.5 %Dawson County: 32.8 %Deer Lodge County: 32.4 %Fallon County: 31.4 %Fergus County: 31.2 %Flathead County: 31.2 %Gallatin County: 23 %Garfield County: 30.6 %Glacier County: 39.7 %Golden Valley County: 32.5 %Granite County: 30.4 %Hill County: 38.5 %Jefferson County: 32.8 %Judith Basin County: 31.5 %Lake County: 33 %Lewis and Clark County: 31 %Liberty County: 34 %Lincoln County: 37.8 %McCone County: 32.4 %Madison County: 28.7 %Meagher County: 32.3 %Mineral County: 36 %Missoula County: 26.2 %Musselshell County: 35.6 %Park County: 30.4 %Petroleum County: 32.9 %Phillips County: 38.8 %Pondera County: 37.2 %Powder River County: 30.4 %Powell County: 35.8 %Prairie County: 33.5 %Ravalli County: 31.9 %Richland County: 37.9 %Roosevelt County: 41 %Rosebud County: 39.5 %Sanders County: 34.9 %Sheridan County: 35.5 %Silver Bow County: 32.3 %Stillwater County: 30.2 %Sweet Grass County: 29.4 %Teton County: 30.9 %Toole County: 35.6 %Treasure County: 33.2 %Valley County: 32.7 %Wheatland County: 32 %Wibaux County: 32.5 %Yellowstone County: 34 %
  • Under 31
  • 31 to 32
  • 32 to 33
  • 33 to 34
  • 34 to 36
  • 36 and over
%, 2023. Source: CDC, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), adult obesity rate, crude prevalence. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2023

Blaine County: 41.1 %Blaine County41.1Roosevelt County: 41 %Roosevelt County41Glacier County: 39.7 %Glacier County39.7Rosebud County: 39.5 %Rosebud County39.5Phillips County: 38.8 %Phillips County38.8Hill County: 38.5 %Hill County38.5Richland County: 37.9 %Richland County37.9Lincoln County: 37.8 %Lincoln County37.8Pondera County: 37.2 %Pondera County37.2Mineral County: 36 %Mineral County36Powell County: 35.8 %Powell County35.8Chouteau County: 35.6 %Chouteau County35.6Musselshell County: 35.6 %Musselshell County35.6Toole County: 35.6 %Toole County35.6Big Horn County: 35.5 %Big Horn County35.5Sheridan County: 35.5 %Sheridan County35.5Cascade County: 35.3 %Cascade County35.3Sanders County: 34.9 %Sanders County34.9Liberty County: 34 %Liberty County34Yellowstone County: 34 %Yellowstone County34Daniels County: 33.5 %Daniels County33.5Prairie County: 33.5 %Prairie County33.5Treasure County: 33.2 %Treasure County33.2Carbon County: 33 %Carbon County33Lake County: 33 %Lake County33Carter County: 32.9 %Carter County32.9Petroleum County: 32.9 %Petroleum County32.9Dawson County: 32.8 %Dawson County32.8Jefferson County: 32.8 %Jefferson County32.8Valley County: 32.7 %Valley County32.7Custer County: 32.6 %Custer County32.6Golden Valley County: 32.5 %Golden Valley County32.5Wibaux County: 32.5 %Wibaux County32.5Deer Lodge County: 32.4 %Deer Lodge County32.4McCone County: 32.4 %McCone County32.4Meagher County: 32.3 %Meagher County32.3Silver Bow County: 32.3 %Silver Bow County32.3Wheatland County: 32 %Wheatland County32Ravalli County: 31.9 %Ravalli County31.9Judith Basin County: 31.5 %Judith Basin County31.5Fallon County: 31.4 %Fallon County31.4Fergus County: 31.2 %Fergus County31.2Flathead County: 31.2 %Flathead County31.2Lewis and Clark County: 31 %Lewis and Clark County31Teton County: 30.9 %Teton County30.9Broadwater County: 30.7 %Broadwater County30.7Garfield County: 30.6 %Garfield County30.6Granite County: 30.4 %Granite County30.4Park County: 30.4 %Park County30.4Powder River County: 30.4 %Powder River County30.4Stillwater County: 30.2 %Stillwater County30.2Sweet Grass County: 29.4 %Sweet Grass County29.4Madison County: 28.7 %Madison County28.7Beaverhead County: 28.3 %Beaverhead County28.3Missoula County: 26.2 %Missoula County26.2Gallatin County: 23 %Gallatin County23Blaine County: 41.1 %Blaine County41.1Roosevelt County: 41 %Roosevelt County41Glacier County: 39.7 %Glacier County39.7Rosebud County: 39.5 %Rosebud County39.5Phillips County: 38.8 %Phillips County38.8Hill County: 38.5 %Hill County38.5Richland County: 37.9 %Richland County37.9Lincoln County: 37.8 %Lincoln County37.8Pondera County: 37.2 %Pondera County37.2Mineral County: 36 %Mineral County36Powell County: 35.8 %Powell County35.8Chouteau County: 35.6 %Chouteau County35.6Musselshell County: 35.6 %Musselshell County35.6Toole County: 35.6 %Toole County35.6Big Horn County: 35.5 %Big Horn County35.5Sheridan County: 35.5 %Sheridan County35.5Cascade County: 35.3 %Cascade County35.3Sanders County: 34.9 %Sanders County34.9Liberty County: 34 %Liberty County34Yellowstone County: 34 %Yellowstone County34Daniels County: 33.5 %Daniels County33.5Prairie County: 33.5 %Prairie County33.5Treasure County: 33.2 %Treasure County33.2Carbon County: 33 %Carbon County33Lake County: 33 %Lake County33Carter County: 32.9 %Carter County32.9Petroleum County: 32.9 %Petroleum County32.9Dawson County: 32.8 %Dawson County32.8Jefferson County: 32.8 %Jefferson County32.8Valley County: 32.7 %Valley County32.7Custer County: 32.6 %Custer County32.6Golden Valley County: 32.5 %Golden Valley County32.5Wibaux County: 32.5 %Wibaux County32.5Deer Lodge County: 32.4 %Deer Lodge County32.4McCone County: 32.4 %McCone County32.4Meagher County: 32.3 %Meagher County32.3Silver Bow County: 32.3 %Silver Bow County32.3Wheatland County: 32 %Wheatland County32Ravalli County: 31.9 %Ravalli County31.9Judith Basin County: 31.5 %Judith Basin County31.5Fallon County: 31.4 %Fallon County31.4Fergus County: 31.2 %Fergus County31.2Flathead County: 31.2 %Flathead County31.2Lewis and Clark County: 31 %Lewis and Clark County31Teton County: 30.9 %Teton County30.9Broadwater County: 30.7 %Broadwater County30.7Garfield County: 30.6 %Garfield County30.6Granite County: 30.4 %Granite County30.4Park County: 30.4 %Park County30.4Powder River County: 30.4 %Powder River County30.4Stillwater County: 30.2 %Stillwater County30.2Sweet Grass County: 29.4 %Sweet Grass County29.4Madison County: 28.7 %Madison County28.7Beaverhead County: 28.3 %Beaverhead County28.3Missoula County: 26.2 %Missoula County26.2Gallatin County: 23 %Gallatin County23
%. Source: CDC, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), adult obesity rate, crude prevalence. Retrieved 2026-10-12.

Full ranking

RankCounties2023 (%)Change on 2022
1Blaine County41.1-0.3 pts
2Roosevelt County41+0.7 pts
3Glacier County39.7+3.8 pts
4Rosebud County39.5+0.3 pts
5Phillips County38.8-0.4 pts
6Hill County38.5+4.1 pts
7Richland County37.9+1.7 pts
8Lincoln County37.8+7.1 pts
9Pondera County37.2+3.3 pts
10Mineral County36+0.7 pts
11Powell County35.8+2.8 pts
12Chouteau County35.6+1.3 pts
12Musselshell County35.6+2 pts
12Toole County35.6+0.6 pts
15Big Horn County35.5-5.8 pts
15Sheridan County35.5+2.7 pts
17Cascade County35.3+0.1 pts
18Sanders County34.9-0.4 pts
19Liberty County34-3 pts
19Yellowstone County34-0.3 pts
21Daniels County33.5+2 pts
21Prairie County33.5-2.9 pts
23Treasure County33.2+2.9 pts
24Carbon County33+3.6 pts
24Lake County33-0.7 pts
26Carter County32.9-0.5 pts
26Petroleum County32.9+0.4 pts
28Dawson County32.8-2.6 pts
28Jefferson County32.8+2.3 pts
30Valley County32.7-2.9 pts
31Custer County32.6-3.2 pts
32Golden Valley County32.5-1.6 pts
32Wibaux County32.5-1.7 pts
34Deer Lodge County32.4-0.4 pts
34McCone County32.4-0.6 pts
36Meagher County32.3-1.3 pts
36Silver Bow County32.3+2.9 pts
38Wheatland County32-3.3 pts
39Ravalli County31.9-1 pts
40Judith Basin County31.5-1.9 pts
41Fallon County31.4-2 pts
42Fergus County31.2-1.2 pts
42Flathead County31.2+1.1 pts
44Lewis and Clark County31+0.3 pts
45Teton County30.9+0.1 pts
46Broadwater County30.7-1.8 pts
47Garfield County30.6-1.4 pts
48Granite County30.4-2.1 pts
48Park County30.4+2.3 pts
48Powder River County30.4-2.4 pts
51Stillwater County30.2-2.4 pts
52Sweet Grass County29.4-2.6 pts
53Madison County28.7+1.8 pts
54Beaverhead County28.3-1.9 pts
55Missoula County26.2-2 pts
56Gallatin County23+0.4 pts

Other periods

About this ranking

Percentage of adults with a body mass index of 30 or more, calculated from self-reported weight and height. Model-based estimate for adults aged 18 and over from CDC PLACES. Crude prevalence, not age-adjusted.

US counties and cities (incorporated places of 10,000 or more). CDC PLACES combines Behavioral Risk Factor Surveillance System (BRFSS) answers with local population data through multilevel regression and poststratification, so a county or city value is a model estimate, not a survey count. The year is the BRFSS survey year, not the release year. CDC says the method does not support tracking change in a place over time, and each annual release can change the model, so values for different years are not strictly comparable. A state is missing in a year when its BRFSS data did not meet standards (Kentucky and Pennsylvania in 2023, Florida in 2021). Connecticut counties appear as its nine planning regions from 2022; its eight former counties are not served. City values for 2021 come from the 2023 release, built on 2010 Census place boundaries; later years use 2020 boundaries. State and national values come from direct BRFSS estimates under adult_obesity_rate.

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

Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), adult obesity rate, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

Centers for Disease Control and Prevention. (2025). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), adult obesity rate, crude prevalence (Counties in Montana by adult obesity rate, local model estimate, 2023) [Data set]. Retrieved October 12, 2026, from https://www.cdc.gov/places/

MLA 9

PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), adult obesity rate, crude prevalence, Counties in Montana by adult obesity rate, local model estimate, 2023. Centers for Disease Control and Prevention, 4 Dec. 2025, https://www.cdc.gov/places/. Invokely, https://invokely.ai/rankings/adult-obesity-rate-county-estimate/montana-counties. Accessed 12 Oct. 2026.

Chicago (author-date)

Centers for Disease Control and Prevention. 2025. PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), adult obesity rate, crude prevalence. Counties in Montana by adult obesity rate, local model estimate, 2023. Dataset. Accessed October 12, 2026. https://www.cdc.gov/places/. Also distributed by Invokely, https://invokely.ai/rankings/adult-obesity-rate-county-estimate/montana-counties.

Harvard

Centers for Disease Control and Prevention (2025) PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), adult obesity rate, crude prevalence, Counties in Montana by adult obesity rate, local model estimate, 2023 [Dataset]. Available at: https://www.cdc.gov/places/, via Invokely: https://invokely.ai/rankings/adult-obesity-rate-county-estimate/montana-counties (Accessed: 12 October 2026).

BibTeX
@misc{centers_counties_in_montana_by_2023,
  author = {{Centers for Disease Control and Prevention}},
  title = {{PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), adult obesity rate, crude prevalence: Counties in Montana by adult obesity rate, local model estimate, 2023}},
  year = {2025},
  howpublished = {Data set},
  url = {https://www.cdc.gov/places/},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/adult-obesity-rate-county-estimate/montana-counties. Publisher attribution: Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), adult obesity rate, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.},
}
RIS
TY  - DATA
AU  - Centers for Disease Control and Prevention
TI  - PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), adult obesity rate, crude prevalence: Counties in Montana by adult obesity rate, local model estimate, 2023
PY  - 2025
DA  - 2025/12/04
PB  - Centers for Disease Control and Prevention
DB  - Invokely
UR  - https://www.cdc.gov/places/
L2  - https://invokely.ai/rankings/adult-obesity-rate-county-estimate/montana-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/adult-obesity-rate-county-estimate/montana-counties.
N1  - Publisher attribution: Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), adult obesity rate, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.
ER  - 
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Rank Counties in Montana by adult obesity rate, local model estimate using official data, and cite the source.
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Questions

Which county has the highest adult obesity rate, local model estimate?

Blaine County, with 41.1% in 2023, according to the Centers for Disease Control and Prevention.

Which county has the lowest adult obesity rate, local model estimate?

Gallatin County, with 23% in 2023.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: Centers for Disease Control and Prevention, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), adult obesity rate, crude prevalence. Retrieved 2026-10-12.

Adult obesity rate, local model estimate: other rankings

Counties in Montana: more rankings