Minidoka County
Idaho — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 20th
Minidoka County faces very low composite natural disaster risk (NRI Risk Index score 20.5, 20th national percentile), driven primarily by winter weather and earthquake exposure. Expected annual loss across all 18 hazard types is $8M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Winter Weather | Medium | 11.32 / yr | $241K |
| Earthquake | Low | 0.00 / yr | $1M |
| Heat Wave | Low | 2.95 / yr | $1M |
| Wildfire | Very Low | 0.00 / yr | $66K |
| Volcanic Activity | Very Low | 0.00 / yr | $20 |
| Lightning | Low | 21.64 / yr | $256K |
| Cold Wave | Low | 0.73 / yr | $808K |
| Riverine Flood | Very Low | 0.18 / yr | $4M |
| Drought | Very Low | 58.01 / yr | $15K |
| Strong Wind | Low | 0.68 / yr | $159K |
| Ice Storm | Very Low | 0.01 / yr | $6K |
| Landslide | Very Low | 0.09 / yr | $27 |
| Hail | Very Low | 0.32 / yr | $31K |
| Tornado | Very Low | 0.09 / yr | $50K |
| 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 |
Frequently Asked Questions
What is the overall natural disaster risk for Minidoka County?
Minidoka County has a composite FEMA National Risk Index score of 20.5 out of 100, placing it in the Very Low category and the 20th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Minidoka County?
The three highest-rated hazards are Winter Weather (Medium, $241K EAL), Earthquake (Low, $1M EAL), Heat Wave (Low, $1M EAL). These account for most of the county's expected annual losses.
How does Minidoka County compare to other Idaho counties?
Minidoka County ranks #32 of 44 Idaho counties for overall natural disaster risk, with a very 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. Minidoka County's $8M EAL is a statistical average, not a guarantee for any specific year or address.