Lewis County, Idaho
Natural Hazard Risk Assessment — Population: 3,530
3.1NRI
Very Low
Overall Risk Rating
👥
Population
3,530
🏠
Building Value
$1.4B
💰
Annual Hazard Loss
$2.0M
⚠️
Hazards Tracked
14
Natural Hazard Risk Profile
🔥
Relatively LowWildfire
Annual Loss$628K
Risk Score85.9
🏔️
Very LowAvalanche
Annual Loss$2K
Risk Score62.7
⛰️
Very LowLandslide
Annual Loss$519
Risk Score39.5
🏔️
Very LowEarthquake
Annual Loss$31K
Risk Score23.4
🌡️
Very LowHeat Wave
Annual Loss$47K
Risk Score19.3
☀️
Very LowDrought
Annual Loss$608
Risk Score15.3
🌊
Very LowRiverine Flooding
Annual Loss$1.2M
Risk Score12.0
🥶
Very LowCold Wave
Annual Loss$56K
Risk Score9.5
Show all 14 hazards
🧊
Very LowHail
Annual Loss$20K
Risk Score8.6
🌪️
Very LowTornado
Annual Loss$5K
Risk Score2.8
⛄
Very LowWinter Weather
Annual Loss$1K
Risk Score2.8
💨
Very LowStrong Wind
Annual Loss$11K
Risk Score2.7
⚡
Very LowLightning
Annual Loss$6K
Risk Score2.2
❄️
Very LowIce Storm
Annual Loss$419
Risk Score1.2
Lewis County vs. National Average
🎯 Overall Risk
3.1-45.6 vs avg
National avg: 48.7
🔥 Wildfire Risk
85.9+37.2 vs avg
National avg: 48.7
👥 Social Vulnerability
60.8+11.6 vs avg
National avg: 49.2
🛡️ Community Resilience
3.4-45.3 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
60.8
Relatively HighHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
3.4
Very LowHigher scores indicate better ability to prepare for, adapt to, and recover from hazards.
Frequently Asked Questions
Data from FEMA National Risk Index. For informational purposes only. Consult local authorities for property-specific risk.