Treasure County, MT
FEMA National Risk Index scores, disaster declarations & hazard data
Treasure County has experienced 11 federally declared disasters since 1978, most recently Flooding in 2024. Its overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Treasure County's highest-rated hazards are wildfire, drought, and cold wave, with its top risk rated "Relatively Low" by FEMA's National Risk Index. Community vulnerability is relatively low (7th percentile nationally), indicating stronger recovery capacity than most US counties.
Past disasters & FEMA designations
A federal disaster declaration officially designates a county for FEMA disaster assistance. Treasure County has been designated in 11 declarations since 1978, covering 5 disaster types including flood (5), biological (2), severe storm (2).
| Year | Type | Event name |
|---|---|---|
| 2024 | Flood | Flooding |
| 2022 | Flood | Severe Storm And Flooding |
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2019 | Flood | Flooding |
| 2019 | Flood | Flooding |
| 2011 | Severe Storm | Severe Storms And Flooding |
| 2005 | Hurricane | Hurricane Katrina Evacuation |
| 2000 | Fire | Wildfires |
| 1997 | Severe Storm | Severe Storms,Ice Jams, Snow Melt, Flooding |
Showing the 10 most recent of 11 total declarations since 1978.
Source: FEMA OpenFEMA Disaster Declarations Summaries. A single disaster can produce more than one record per county. Data current through September 2026.
Risk by hazard type
| Hazard | Risk rating | Risk score | Recorded events | Deaths | Prop. damage |
|---|---|---|---|---|---|
| Wildfire | Relatively Low | 63.6 | 0 | 0 | — |
| Inland Flooding | Very Low | 2.5 | 1 | 0 | — |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Very Low | 3.3 | 1 | — | — |
| Heat Wave | Very Low | 6.1 | 0 | 0 | — |
| Tornado | Very Low | 1.9 | 0 | 0 | — |
| Hurricane | Not Applicable | — | 0 | 0 | — |
| Hail | Very Low | 7.8 | 16 | 0 | — |
| Strong Wind | Very Low | 2.7 | 0 | 0 | — |
| Winter Weather | Very Low | 12.1 | 0 | 0 | — |
| Ice Storm | Very Low | 0.5 | — | — | — |
| Cold Wave | Very Low | 18.1 | — | — | — |
| Lightning | Very Low | 4.9 | 0 | 0 | — |
| Drought | Very Low | 26.6 | 0 | 0 | — |
| Landslide | Very Low | 15.6 | 0 | 0 | — |
| Avalanche | Not Applicable | — | — | — | — |
| Tsunami | Not Applicable | — | — | — | — |
| Volcanic Activity | Not Applicable | — | — | — | — |
Scores are 0–100 percentiles relative to all US counties — higher means more exposed, not that a disaster is likely this year. Event counts: NOAA Storm Events 2016–2026; earthquake counts from USGS ComCat (M3.0+, 1996–2026). See the methodology page for details.
Community vulnerability
Treasure County ranks in the 7th percentile (Very low) for community vulnerability — a measure of how hard disaster impacts tend to hit residents. Higher vulnerability means more displacement, worse health outcomes, and slower recovery after a disaster.
| SVI theme | Percentile | Vulnerability level |
|---|---|---|
| Overall | 7th | Very low |
| Socioeconomic status | 9th | Very low |
| Household characteristics | 7th | Very low |
| Racial & ethnic minority status | 8th | Very low |
| Housing type & transportation | 31st | Low |
Source: CDC/ATSDR Social Vulnerability Index 2022. Percentiles compare counties nationally — higher means more vulnerable relative to other counties. See CDC SVI for full methodology.
Future risk outlook
| Wildfire metric | National percentile | Level |
|---|---|---|
| Burn probability | 93rd | Very High |
| Risk to homes | 92nd | Very High |
| Buildings in direct exposure zone | 54.9% | — |
Wildfire: USDA Forest Service Wildfire Risk to Communities (RDS-2020-0016-2) — modeled values, not annual forecasts. See wildfirerisk.org. Inland flood and heat projections pending data availability; coastal sea-level projections are available for select coastal counties below — see the data page.
Nearby counties
Frequently asked questions
What natural hazards pose the greatest risk in Treasure County?
According to the FEMA National Risk Index, the highest-risk hazards in Treasure County, Montana are wildfire, drought, and cold wave. The county's overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Has Treasure County received federal disaster declarations?
Yes. Treasure County has received 11 federal disaster declarations since 1978, including declarations in 2024. The most common disaster type on record is flood (5 declarations).
Has Treasure County had any FEMA disaster declarations in 2024, 2025, or 2026?
Yes. Recent federal disaster declarations for Treasure County include Flooding (2024). See the declarations table above for the full history since 1978.
How does Treasure County's natural hazard risk compare to nearby counties?
Among neighboring counties, Yellowstone County, MT has the highest overall natural hazard risk (Relatively Moderate) and Petroleum County, MT has the lowest (Very Low). Treasure County is rated Very Low overall.
How is Treasure County's composite disaster risk index calculated?
Treasure County's composite disaster risk index — officially FEMA's National Risk Index (NRI) — scores every US county on a 0–100 percentile scale across 18 natural hazard types, factoring in expected annual loss, social vulnerability, and community resilience. Treasure County's composite score of 1 means its overall natural hazard risk is higher than 1% of US counties.