Philadelphia County, Pennsylvania
Natural Hazard Risk Assessment — Population: 1,602,305
99.6NRI
Very High
Overall Risk Rating
👥
Population
1,602,305
🏠
Building Value
$291.7B
💰
Annual Hazard Loss
$667.1M
⚠️
Hazards Tracked
16
Natural Hazard Risk Profile
🌡️
Very HighHeat Wave
Annual Loss$256.4M
Risk Score100.0
🥶
Very HighCold Wave
Annual Loss$57.0M
Risk Score99.8
⛄
Very HighWinter Weather
Annual Loss$1.9M
Risk Score99.8
🌊
Very HighRiverine Flooding
Annual Loss$266.1M
Risk Score99.6
🌪️
Relatively HighTornado
Annual Loss$21.1M
Risk Score98.7
🏔️
Relatively HighEarthquake
Annual Loss$41.6M
Risk Score98.3
💨
Relatively HighStrong Wind
Annual Loss$3.5M
Risk Score97.9
⚡
Relatively HighLightning
Annual Loss$1.5M
Risk Score96.2
Show all 16 hazards
🧊
Relatively HighHail
Annual Loss$2.1M
Risk Score95.1
🌀
Relatively HighHurricane
Annual Loss$12.0M
Risk Score94.3
❄️
Relatively HighIce Storm
Annual Loss$989K
Risk Score94.2
🏖️
Relatively HighCoastal Flooding
Annual Loss$2.8M
Risk Score85.4
⛰️
Relatively LowLandslide
Annual Loss$7K
Risk Score76.3
🔥
Very LowWildfire
Annual Loss$9K
Risk Score28.7
☀️
Very LowDrought
Annual Loss$4K
Risk Score21.7
🌊
Insufficient DataTsunami
Annual Loss$0
Risk Score0.0
Philadelphia County vs. National Average
🎯 Overall Risk
99.6+50.9 vs avg
National avg: 48.7
🔥 Wildfire Risk
28.7-20.0 vs avg
National avg: 48.7
👥 Social Vulnerability
88.1+38.9 vs avg
National avg: 49.2
🛡️ Community Resilience
48.5-0.2 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
88.1
Very HighHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
48.5
Relatively ModerateHigher 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.