Chester County, Pennsylvania
Natural Hazard Risk Assessment — Population: 534,152
91.9NRI
Relatively Moderate
Overall Risk Rating
👥
Population
534,152
🏠
Building Value
$163.7B
💰
Annual Hazard Loss
$172.6M
⚠️
Hazards Tracked
15
Natural Hazard Risk Profile
☀️
Relatively HighDrought
Annual Loss$10.1M
Risk Score98.6
⛄
Very HighWinter Weather
Annual Loss$2.3M
Risk Score98.4
🌡️
Relatively ModerateHeat Wave
Annual Loss$10.6M
Risk Score95.6
💨
Relatively HighStrong Wind
Annual Loss$4.6M
Risk Score94.6
🌊
Relatively HighRiverine Flooding
Annual Loss$105.8M
Risk Score94.3
⚡
Relatively HighLightning
Annual Loss$2.1M
Risk Score91.4
🏔️
Relatively ModerateEarthquake
Annual Loss$8.5M
Risk Score90.2
🌀
Relatively ModerateHurricane
Annual Loss$9.6M
Risk Score88.7
Show all 15 hazards
🌪️
Relatively ModerateTornado
Annual Loss$9.8M
Risk Score88.0
❄️
Relatively HighIce Storm
Annual Loss$993K
Risk Score85.7
🥶
Relatively ModerateCold Wave
Annual Loss$7.5M
Risk Score84.2
⛰️
Relatively LowLandslide
Annual Loss$20K
Risk Score77.8
🧊
Relatively LowHail
Annual Loss$618K
Risk Score61.2
🔥
Very LowWildfire
Annual Loss$23K
Risk Score30.7
🏖️
No RatingCoastal Flooding
Annual Loss$0
Risk Score0.0
Chester County vs. National Average
🎯 Overall Risk
91.9+43.2 vs avg
National avg: 48.7
🔥 Wildfire Risk
30.7-18.0 vs avg
National avg: 48.7
👥 Social Vulnerability
10.6-38.6 vs avg
National avg: 49.2
🛡️ Community Resilience
85.2+36.5 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
10.6
Very LowHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
85.2
Very 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.