Data / Rankings / National Risk Index score (FEMA) / Counties in Montana

Counties in Montana by national Risk Index score (FEMA), 2025

Flathead County had the highest national Risk Index score (FEMA) of 56 counties in 2025, at 86.5. Treasure County had the lowest, at 0.5. The median was 29.6. Source: the Federal Emergency Management Agency.

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Highest86.5Flathead County
Lowest0.5Treasure County
Median29.656 counties

Map of counties, 2025

Beaverhead County: 42.9 indexBig Horn County: 57.2 indexBlaine County: 45.9 indexBroadwater County: 17.7 indexCarbon County: 59.8 indexCarter County: 1.8 indexCascade County: 83.1 indexChouteau County: 39.5 indexCuster County: 42.1 indexDaniels County: 1.8 indexDawson County: 63.8 indexDeer Lodge County: 17.6 indexFallon County: 5.4 indexFergus County: 45.1 indexFlathead County: 86.5 indexGallatin County: 81 indexGarfield County: 2.5 indexGlacier County: 51.5 indexGolden Valley County: 1 indexGranite County: 9.4 indexHill County: 50.5 indexJefferson County: 21.6 indexJudith Basin County: 5.5 indexLake County: 67.7 indexLewis and Clark County: 71.3 indexLiberty County: 6.3 indexLincoln County: 64.3 indexMcCone County: 5.3 indexMadison County: 41 indexMeagher County: 2.8 indexMineral County: 7.4 indexMissoula County: 77 indexMusselshell County: 17.1 indexPark County: 66.3 indexPetroleum County: 1.3 indexPhillips County: 34.5 indexPondera County: 24.6 indexPowder River County: 4 indexPowell County: 10 indexPrairie County: 4.2 indexRavalli County: 78.5 indexRichland County: 52.7 indexRoosevelt County: 54.5 indexRosebud County: 49.7 indexSanders County: 47.4 indexSheridan County: 15.1 indexSilver Bow County: 38 indexStillwater County: 16.8 indexSweet Grass County: 8.1 indexTeton County: 19 indexToole County: 13 indexTreasure County: 0.5 indexValley County: 35.9 indexWheatland County: 3.5 indexWibaux County: 11.1 indexYellowstone County: 83.6 index
  • Under 4.4
  • 4.4 to 12
  • 12 to 30
  • 30 to 47
  • 47 to 64
  • 64 and over
index, 2025. Source: FEMA National Risk Index, National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE). Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2025

Flathead County: 86.5 indexFlathead County86.5Yellowstone County: 83.6 indexYellowstone County83.6Cascade County: 83.1 indexCascade County83.1Gallatin County: 81 indexGallatin County81Ravalli County: 78.5 indexRavalli County78.5Missoula County: 77 indexMissoula County77Lewis and Clark County: 71.3 indexLewis and Clark County71.3Lake County: 67.7 indexLake County67.7Park County: 66.3 indexPark County66.3Lincoln County: 64.3 indexLincoln County64.3Dawson County: 63.8 indexDawson County63.8Carbon County: 59.8 indexCarbon County59.8Big Horn County: 57.2 indexBig Horn County57.2Roosevelt County: 54.5 indexRoosevelt County54.5Richland County: 52.7 indexRichland County52.7Glacier County: 51.5 indexGlacier County51.5Hill County: 50.5 indexHill County50.5Rosebud County: 49.7 indexRosebud County49.7Sanders County: 47.4 indexSanders County47.4Blaine County: 45.9 indexBlaine County45.9Fergus County: 45.1 indexFergus County45.1Beaverhead County: 42.9 indexBeaverhead County42.9Custer County: 42.1 indexCuster County42.1Madison County: 41 indexMadison County41Chouteau County: 39.5 indexChouteau County39.5Silver Bow County: 38 indexSilver Bow County38Valley County: 35.9 indexValley County35.9Phillips County: 34.5 indexPhillips County34.5Pondera County: 24.6 indexPondera County24.6Jefferson County: 21.6 indexJefferson County21.6Teton County: 19 indexTeton County19Broadwater County: 17.7 indexBroadwater County17.7Deer Lodge County: 17.6 indexDeer Lodge County17.6Musselshell County: 17.1 indexMusselshell County17.1Stillwater County: 16.8 indexStillwater County16.8Sheridan County: 15.1 indexSheridan County15.1Toole County: 13 indexToole County13Wibaux County: 11.1 indexWibaux County11.1Powell County: 10 indexPowell County10Granite County: 9.4 indexGranite County9.4Sweet Grass County: 8.1 indexSweet Grass County8.1Mineral County: 7.4 indexMineral County7.4Liberty County: 6.3 indexLiberty County6.3Judith Basin County: 5.5 indexJudith Basin County5.5Fallon County: 5.4 indexFallon County5.4McCone County: 5.3 indexMcCone County5.3Prairie County: 4.2 indexPrairie County4.2Powder River County: 4 indexPowder River County4Wheatland County: 3.5 indexWheatland County3.5Meagher County: 2.8 indexMeagher County2.8Garfield County: 2.5 indexGarfield County2.5Daniels County: 1.8 indexDaniels County1.8Carter County: 1.8 indexCarter County1.8Petroleum County: 1.3 indexPetroleum County1.3Golden Valley County: 1 indexGolden Valley County1Treasure County: 0.5 indexTreasure County0.5Flathead County: 86.5 indexFlathead County86.5Yellowstone County: 83.6 indexYellowstone County83.6Cascade County: 83.1 indexCascade County83.1Gallatin County: 81 indexGallatin County81Ravalli County: 78.5 indexRavalli County78.5Missoula County: 77 indexMissoula County77Lewis and Clark County: 71.3 indexLewis and Clark County71.3Lake County: 67.7 indexLake County67.7Park County: 66.3 indexPark County66.3Lincoln County: 64.3 indexLincoln County64.3Dawson County: 63.8 indexDawson County63.8Carbon County: 59.8 indexCarbon County59.8Big Horn County: 57.2 indexBig Horn County57.2Roosevelt County: 54.5 indexRoosevelt County54.5Richland County: 52.7 indexRichland County52.7Glacier County: 51.5 indexGlacier County51.5Hill County: 50.5 indexHill County50.5Rosebud County: 49.7 indexRosebud County49.7Sanders County: 47.4 indexSanders County47.4Blaine County: 45.9 indexBlaine County45.9Fergus County: 45.1 indexFergus County45.1Beaverhead County: 42.9 indexBeaverhead County42.9Custer County: 42.1 indexCuster County42.1Madison County: 41 indexMadison County41Chouteau County: 39.5 indexChouteau County39.5Silver Bow County: 38 indexSilver Bow County38Valley County: 35.9 indexValley County35.9Phillips County: 34.5 indexPhillips County34.5Pondera County: 24.6 indexPondera County24.6Jefferson County: 21.6 indexJefferson County21.6Teton County: 19 indexTeton County19Broadwater County: 17.7 indexBroadwater County17.7Deer Lodge County: 17.6 indexDeer Lodge County17.6Musselshell County: 17.1 indexMusselshell County17.1Stillwater County: 16.8 indexStillwater County16.8Sheridan County: 15.1 indexSheridan County15.1Toole County: 13 indexToole County13Wibaux County: 11.1 indexWibaux County11.1Powell County: 10 indexPowell County10Granite County: 9.4 indexGranite County9.4Sweet Grass County: 8.1 indexSweet Grass County8.1Mineral County: 7.4 indexMineral County7.4Liberty County: 6.3 indexLiberty County6.3Judith Basin County: 5.5 indexJudith Basin County5.5Fallon County: 5.4 indexFallon County5.4McCone County: 5.3 indexMcCone County5.3Prairie County: 4.2 indexPrairie County4.2Powder River County: 4 indexPowder River County4Wheatland County: 3.5 indexWheatland County3.5Meagher County: 2.8 indexMeagher County2.8Garfield County: 2.5 indexGarfield County2.5Daniels County: 1.8 indexDaniels County1.8Carter County: 1.8 indexCarter County1.8Petroleum County: 1.3 indexPetroleum County1.3Golden Valley County: 1 indexGolden Valley County1Treasure County: 0.5 indexTreasure County0.5
index. Source: FEMA National Risk Index, National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE). Retrieved 2026-10-12.

Full ranking

RankCounties2025
index
1Flathead County86.5
2Yellowstone County83.6
3Cascade County83.1
4Gallatin County81
5Ravalli County78.5
6Missoula County77
7Lewis and Clark County71.3
8Lake County67.7
9Park County66.3
10Lincoln County64.3
11Dawson County63.8
12Carbon County59.8
13Big Horn County57.2
14Roosevelt County54.5
15Richland County52.7
16Glacier County51.5
17Hill County50.5
18Rosebud County49.7
19Sanders County47.4
20Blaine County45.9
21Fergus County45.1
22Beaverhead County42.9
23Custer County42.1
24Madison County41
25Chouteau County39.5
26Silver Bow County38
27Valley County35.9
28Phillips County34.5
29Pondera County24.6
30Jefferson County21.6
31Teton County19
32Broadwater County17.7
33Deer Lodge County17.6
34Musselshell County17.1
35Stillwater County16.8
36Sheridan County15.1
37Toole County13
38Wibaux County11.1
39Powell County10
40Granite County9.4
41Sweet Grass County8.1
42Mineral County7.4
43Liberty County6.3
44Judith Basin County5.5
45Fallon County5.4
46McCone County5.3
47Prairie County4.2
48Powder River County4
49Wheatland County3.5
50Meagher County2.8
51Garfield County2.5
52Daniels County1.8
53Carter County1.8
54Petroleum County1.3
55Golden Valley County1
56Treasure County0.5

About this ranking

FEMA's composite natural hazard risk score for a US county, from 0 to 100: the county's national percentile rank among all counties for risk, which combines expected annual losses from 18 natural hazards with social vulnerability and community resilience. Higher means more risk.

The period is the year of the National Risk Index edition (the December 2025 edition is 2025), not a year of events. FEMA rebuilds the index with new data and methods in each edition, so values from different editions are not a time series. The index is meant for nationwide comparison and planning, not as a local risk assessment.

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

Federal Emergency Management Agency (FEMA), National Risk Index Dataset: National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE). https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Retrieved 2026-10-12. This product uses the FEMA National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

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

Federal Emergency Management Agency. (2025). National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE) (Counties in Montana by national Risk Index score (FEMA), 2025) [Data set]. Retrieved October 12, 2026, from https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355

MLA 9

National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE), Counties in Montana by national Risk Index score (FEMA), 2025. Federal Emergency Management Agency, 16 Dec. 2025, https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Invokely, https://invokely.ai/rankings/national-risk-index-score/montana-counties. Accessed 12 Oct. 2026.

Chicago (author-date)

Federal Emergency Management Agency. 2025. National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE). Counties in Montana by national Risk Index score (FEMA), 2025. Dataset. Accessed October 12, 2026. https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Also distributed by Invokely, https://invokely.ai/rankings/national-risk-index-score/montana-counties.

Harvard

Federal Emergency Management Agency (2025) National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE), Counties in Montana by national Risk Index score (FEMA), 2025 [Dataset]. Available at: https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355, via Invokely: https://invokely.ai/rankings/national-risk-index-score/montana-counties (Accessed: 12 October 2026).

BibTeX
@misc{federal_counties_in_montana_by_2025,
  author = {{Federal Emergency Management Agency}},
  title = {{National Risk Index Counties, National Risk Index Score Composite (RISK\_SCORE): Counties in Montana by national Risk Index score (FEMA), 2025}},
  year = {2025},
  howpublished = {Data set},
  url = {https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/national-risk-index-score/montana-counties. Publisher attribution: Federal Emergency Management Agency (FEMA), National Risk Index Dataset: National Risk Index Counties, National Risk Index Score Composite (RISK\_SCORE). https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Retrieved 2026-10-12. This product uses the FEMA National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).},
}
RIS
TY  - DATA
AU  - Federal Emergency Management Agency
TI  - National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE): Counties in Montana by national Risk Index score (FEMA), 2025
PY  - 2025
DA  - 2025/12/16
PB  - Federal Emergency Management Agency
DB  - Invokely
UR  - https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355
L2  - https://invokely.ai/rankings/national-risk-index-score/montana-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/national-risk-index-score/montana-counties.
N1  - Publisher attribution: Federal Emergency Management Agency (FEMA), National Risk Index Dataset: National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE). https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Retrieved 2026-10-12. This product uses the FEMA National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
ER  -
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Rank Counties in Montana by national Risk Index score (FEMA) using official data, and cite the source.
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Questions

Which county has the highest national Risk Index score (FEMA)?

Flathead County, with 86.5 in 2025, according to the Federal Emergency Management Agency.

Which county has the lowest national Risk Index score (FEMA)?

Treasure County, with 0.5 in 2025.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: Federal Emergency Management Agency, National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE). Retrieved 2026-10-12.

National Risk Index score (FEMA): other rankings

Counties in Montana: more rankings