Roscommon County, MI
FEMA National Risk Index scores, disaster declarations & hazard data
Roscommon County has experienced 7 federally declared disasters since 1976, most recently Severe Storms, Tornadoes, And Flooding in 2026. Its overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Roscommon County's highest-rated hazards are winter weather, lightning, and inland flooding, with its top risk rated "Relatively High" by FEMA's National Risk Index.
Past disasters & FEMA designations
A federal disaster declaration officially designates a county for FEMA disaster assistance. Roscommon County has been designated in 7 declarations since 1976, covering 6 disaster types including biological (2), flood (1), hurricane (1).
| Year | Type | Event name |
|---|---|---|
| 2026 | Flood | Severe Storms, Tornadoes, And Flooding |
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2005 | Hurricane | Hurricane Katrina Evacuation |
| 1978 | Snowstorm | Blizzards & Snowstorms |
| 1977 | Drought | Drought |
| 1976 | Severe Storm | Severe Storms, Tornadoes, Icing & Flooding |
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 | 69.7 | 0 | 0 | — |
| Inland Flooding | Relatively Low | 71.9 | 1 | 0 | $240K |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Very Low | 17.7 | — | — | — |
| Heat Wave | Very Low | 18.1 | 1 | 0 | — |
| Tornado | Relatively Low | 47.1 | 1 | 0 | $5K |
| Hurricane | Very Low | 25.9 | 0 | 0 | — |
| Hail | Relatively Low | 64.7 | 7 | 0 | — |
| Strong Wind | Relatively Moderate | 55.6 | 0 | 0 | — |
| Winter Weather | Relatively High | 87.3 | 0 | 0 | — |
| Ice Storm | Very Low | 23.6 | — | — | — |
| Cold Wave | Relatively Low | 63.1 | — | — | — |
| Lightning | Relatively Moderate | 72 | 0 | 0 | — |
| Drought | No Rating | 0 | 0 | 0 | — |
| Landslide | Very Low | 38.3 | 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
Roscommon County ranks in the 39th percentile (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 | 39th | Low |
| Socioeconomic status | 51st | Moderate |
| Household characteristics | 51st | Moderate |
| Racial & ethnic minority status | 17th | Very low |
| Housing type & transportation | 28th | 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 | 44th | Relatively Moderate |
| Risk to homes | 47th | Relatively Moderate |
| Buildings in direct exposure zone | 63.5% | — |
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 Roscommon County?
According to the FEMA National Risk Index, the highest-risk hazards in Roscommon County, Michigan are winter weather, lightning, and inland flooding. The county's overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Has Roscommon County received federal disaster declarations?
Yes. Roscommon County has received 7 federal disaster declarations since 1976, including declarations in 2026. The most common disaster type on record is biological (2 declarations).
Has Roscommon County had any FEMA disaster declarations in 2024, 2025, or 2026?
Yes. Recent federal disaster declarations for Roscommon County include Severe Storms, Tornadoes, And Flooding (2026). See the declarations table above for the full history since 1976.
How does Roscommon County's natural hazard risk compare to nearby counties?
Among neighboring counties, Clare County, MI has the highest overall natural hazard risk (Relatively Low) and Missaukee County, MI has the lowest (Very Low). Roscommon County is rated Relatively Low overall.
How is Roscommon County's composite disaster risk index calculated?
Roscommon 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. Roscommon County's composite score of 57 means its overall natural hazard risk is higher than 57% of US counties.