Eaton County, Michigan Natural Disaster Risk
FEMA National Risk Index assessment · MI
LowComposite Risk Score
National percentile: 68th
Eaton County faces low composite natural disaster risk (NRI Risk Index score 67.6, 68th national percentile), driven primarily by strong wind and tornado exposure. Expected annual loss across all 18 hazard types is $30M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Risk Overview
Overall natural disaster risk in Eaton County is low, with a National Risk Index score of 67.6 out of 100 — placing it in the 68th national percentile and below the national average for natural-disaster risk. The score blends Expected Annual Loss, Social Vulnerability, and Community Resilience across all 18 FEMA hazard types.
Most of Eaton County's expected losses come from strong wind (damaging straight-line winds outside of tornadoes and hurricanes) at High risk — $3M in expected annual loss and about 4.77 events per year; tornado (violently rotating columns of air capable of catastrophic local damage) at Medium risk — $6M in expected annual loss and about 0.29 events per year; and hail (ice stones from severe thunderstorms that damage property and crops) at Medium risk — $1M in expected annual loss and about 2.47 events per year. Across all hazards, FEMA estimates $30M in expected annual loss for a population of 109K.
Beyond physical exposure, Eaton County has a low social vulnerability rating (how susceptible the population is to harm) and a very high community resilience rating (its capacity to prepare for and recover from disasters). A less vulnerable population paired with strong resilience helps the community absorb and recover from events.
The federal record bears this out: Eaton County has received 14 federal disaster declarations since 1965, including 4 for snowstorm events and 3 for flood events. The most recent was Severe Storms, Tornadoes, and Flooding (flood), declared in June 2026.
Among 83 Michigan counties, Eaton County ranks #26 for overall natural disaster risk.
Top Hazards
All 18 Hazard Risks
| Strong Wind | High | 4.77 / yr | $3M |
| Tornado | Medium | 0.29 / yr | $6M |
| Hail | Medium | 2.47 / yr | $1M |
| Ice Storm | Medium | 1.53 / yr | $285K |
| Riverine Flood | Low | 0.43 / yr | $16M |
| Cold Wave | Medium | 2.11 / yr | $2M |
| Earthquake | Very Low | 0.00 / yr | $330K |
| Winter Weather | Low | 17.53 / yr | $74K |
| Landslide | Very Low | 0.10 / yr | $1K |
| Heat Wave | Low | 2.63 / yr | $328K |
| Lightning | Low | 34.43 / yr | $209K |
| Hurricane | Very Low | 0.02 / yr | $28K |
| Wildfire | Very Low | 0.00 / yr | $11K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Drought | Very Low | 0.00 / yr | $0 |
| Tsunami | Very Low | 0.00 / yr | $0 |
| Volcanic Activity | Very Low | 0.00 / yr | $0 |
Disaster History
Eaton County has received 14 federal disaster declarations since 1965, most recently Severe Storms, Tornadoes, and Flooding in June 2026. Most frequent causes: Snowstorm (4), Flood (3), Biological (2).
| Declared | Type | Disaster |
|---|---|---|
| June 2026 | Flood | Severe Storms, Tornadoes, and Flooding |
| February 2024 | Flood | Severe Storms, Tornadoes, and Flooding |
| March 2020 | Biological | Covid-19 Pandemic |
| March 2020 | Biological | Covid-19 |
| July 2008 | Severe Storm | Severe Storms, Tornadoes, and Flooding |
| September 2005 | Hurricane | Hurricane Katrina Evacuation |
| June 2004 | Severe Storm | Severe Storms, Tornadoes, and Flooding |
| September 2003 | Other | Power Outage |
| January 2001 | Snowstorm | Snow |
| January 1978 | Snowstorm | Blizzards & Snowstorms |
Showing the 10 most recent of 14 declarations.
Source: FEMA Disaster Declarations Summaries (OpenFEMA).
Frequently Asked Questions
What is the overall natural disaster risk for Eaton County?
Eaton County has a composite FEMA National Risk Index score of 67.6 out of 100, placing it in the Low category and the 68th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Eaton County?
The three highest-rated hazards are Strong Wind (High, $3M EAL), Tornado (Medium, $6M EAL), Hail (Medium, $1M EAL). These account for most of the county's expected annual losses.
How does Eaton County compare to other Michigan counties?
Eaton County ranks #26 of 83 Michigan counties for overall natural disaster risk, with a low rating.
How many federally declared disasters has Eaton County had?
FEMA records 14 federal disaster declarations for Eaton County since 1965, most often 4 for snowstorm events and 3 for flood events. The most recent was Severe Storms, Tornadoes, and Flooding, declared in June 2026.
What does Expected Annual Loss (EAL) mean?
EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. Eaton County's $30M EAL is a statistical average, not a guarantee for any specific year or address.