Franklin County
Washington — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 72th
Franklin County faces low composite natural disaster risk (NRI Risk Index score 72.5, 72th national percentile), driven primarily by heat wave and wildfire exposure. Expected annual loss across all 18 hazard types is $33M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Heat Wave | Medium | 7.88 / yr | $3M |
| Wildfire | Low | 0.01 / yr | $698K |
| Riverine Flood | Medium | 0.21 / yr | $24M |
| Earthquake | Low | 0.00 / yr | $2M |
| Ice Storm | Medium | 0.28 / yr | $381K |
| Volcanic Activity | Very Low | 0.00 / yr | $207 |
| Cold Wave | Medium | 0.42 / yr | $2M |
| Landslide | Very Low | 0.37 / yr | $2K |
| Lightning | Low | 8.13 / yr | $202K |
| Winter Weather | Low | 7.94 / yr | $56K |
| Hail | Low | 0.19 / yr | $205K |
| Strong Wind | Low | 0.30 / yr | $445K |
| Drought | Very Low | 14.57 / yr | $8K |
| Avalanche | Very Low | 0.01 / yr | $53 |
| Tornado | Very Low | 0.04 / yr | $105K |
| 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 Franklin County?
Franklin County has a composite FEMA National Risk Index score of 72.5 out of 100, placing it in the Low category and the 72th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Franklin County?
The three highest-rated hazards are Heat Wave (Medium, $3M EAL), Wildfire (Low, $698K EAL), Riverine Flood (Medium, $24M EAL). These account for most of the county's expected annual losses.
How does Franklin County compare to other Washington counties?
Franklin County ranks #25 of 39 Washington 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. Franklin County's $33M EAL is a statistical average, not a guarantee for any specific year or address.