Martin County
Minnesota — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 45th
Martin County faces low composite natural disaster risk (NRI Risk Index score 45.5, 45th national percentile), driven primarily by winter weather and hail exposure. Expected annual loss across all 18 hazard types is $13M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Winter Weather | High | 21.68 / yr | $346K |
| Hail | Medium | 4.39 / yr | $1M |
| Drought | Medium | 12.25 / yr | $1M |
| Strong Wind | Medium | 3.54 / yr | $1M |
| Cold Wave | Medium | 11.05 / yr | $2M |
| Tornado | Medium | 0.57 / yr | $2M |
| Ice Storm | Low | 0.57 / yr | $67K |
| Heat Wave | Low | 4.79 / yr | $229K |
| Riverine Flood | Low | 0.61 / yr | $4M |
| Landslide | Very Low | 0.08 / yr | $340 |
| Lightning | Very Low | 38.68 / yr | $64K |
| Wildfire | Very Low | 0.00 / yr | $6K |
| Earthquake | Very Low | 0.00 / yr | $14K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Hurricane | Very Low | 0.00 / yr | $0 |
| Tsunami | Very Low | 0.00 / yr | $0 |
| Volcanic Activity | Very Low | 0.00 / yr | $0 |
Frequently Asked Questions
What is the overall natural disaster risk for Martin County?
Martin County has a composite FEMA National Risk Index score of 45.5 out of 100, placing it in the Low category and the 45th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Martin County?
The three highest-rated hazards are Winter Weather (High, $346K EAL), Hail (Medium, $1M EAL), Drought (Medium, $1M EAL). These account for most of the county's expected annual losses.
How does Martin County compare to other Minnesota counties?
Martin County ranks #37 of 87 Minnesota counties for overall natural disaster risk, with a low rating.
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. Martin County's $13M EAL is a statistical average, not a guarantee for any specific year or address.