Kootenai County
Idaho — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 79th
Kootenai County faces low composite natural disaster risk (NRI Risk Index score 79.0, 79th national percentile), driven primarily by landslide and winter weather exposure. Expected annual loss across all 18 hazard types is $45M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Landslide | Medium | 0.52 / yr | $171K |
| Winter Weather | High | 26.82 / yr | $571K |
| Cold Wave | Medium | 1.16 / yr | $7M |
| Riverine Flood | Medium | 1.21 / yr | $32M |
| Ice Storm | High | 0.25 / yr | $634K |
| Heat Wave | Medium | 3.31 / yr | $2M |
| Wildfire | Low | 0.00 / yr | $438K |
| Earthquake | Low | 0.00 / yr | $2M |
| Avalanche | Very Low | 0.13 / yr | $838 |
| Strong Wind | Low | 0.24 / yr | $449K |
| Lightning | Low | 17.94 / yr | $97K |
| Tornado | Very Low | 0.04 / yr | $318K |
| Hail | Very Low | 0.26 / yr | $68K |
| Drought | Very Low | 14.92 / yr | $281 |
| 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 Kootenai County?
Kootenai County has a composite FEMA National Risk Index score of 79.0 out of 100, placing it in the Low category and the 79th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Kootenai County?
The three highest-rated hazards are Landslide (Medium, $171K EAL), Winter Weather (High, $571K EAL), Cold Wave (Medium, $7M EAL). These account for most of the county's expected annual losses.
How does Kootenai County compare to other Idaho counties?
Kootenai County ranks #3 of 44 Idaho 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. Kootenai County's $45M EAL is a statistical average, not a guarantee for any specific year or address.