Napa County, California
Natural Hazard Risk Assessment — Population: 137,956
95.3NRI
Relatively High
Overall Risk Rating
👥
Population
137,956
🏠
Building Value
$37.7B
💰
Annual Hazard Loss
$186.0M
⚠️
Hazards Tracked
16
Natural Hazard Risk Profile
☀️
Very HighDrought
Annual Loss$21.4M
Risk Score99.5
⛰️
Relatively HighLandslide
Annual Loss$1.1M
Risk Score98.7
🏔️
Relatively HighEarthquake
Annual Loss$66.8M
Risk Score98.4
🔥
Relatively ModerateWildfire
Annual Loss$4.9M
Risk Score96.0
🌊
Relatively HighRiverine Flooding
Annual Loss$89.8M
Risk Score95.8
🏖️
Relatively ModerateCoastal Flooding
Annual Loss$987K
Risk Score68.2
🌡️
Relatively LowHeat Wave
Annual Loss$794K
Risk Score66.8
🌋
Very LowVolcanic Activity
Annual Loss$33
Risk Score60.3
Show all 16 hazards
⚡
Relatively LowLightning
Annual Loss$110K
Risk Score30.2
🌪️
Very LowTornado
Annual Loss$211K
Risk Score18.3
🏔️
Very LowAvalanche
Annual Loss$7
Risk Score9.2
🧊
Very LowHail
Annual Loss$25K
Risk Score8.5
💨
Very LowStrong Wind
Annual Loss$61K
Risk Score8.3
⛄
Very LowWinter Weather
Annual Loss$3K
Risk Score4.2
🌊
Very LowTsunami
Annual Loss$3K
Risk Score3.1
🥶
No RatingCold Wave
Annual Loss$0
Risk Score0.0
Napa County vs. National Average
🎯 Overall Risk
95.3+46.6 vs avg
National avg: 48.7
🔥 Wildfire Risk
96.0+47.3 vs avg
National avg: 48.7
👥 Social Vulnerability
38.5-10.7 vs avg
National avg: 49.2
🛡️ Community Resilience
76.0+27.3 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
38.5
Relatively LowHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
76.0
Relatively HighHigher 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.