St. Louis County, Missouri
Natural Hazard Risk Assessment — Population: 301,414
98.7NRI
Relatively High
Overall Risk Rating
👥
Population
301,414
🏠
Building Value
$74.3B
💰
Annual Hazard Loss
$359.2M
⚠️
Hazards Tracked
14
Natural Hazard Risk Profile
🌡️
Very HighHeat Wave
Annual Loss$172.4M
Risk Score99.8
🌪️
Very HighTornado
Annual Loss$28.3M
Risk Score98.9
🏔️
Relatively HighEarthquake
Annual Loss$58.3M
Risk Score98.5
🌊
Relatively HighRiverine Flooding
Annual Loss$90.9M
Risk Score97.0
💨
Relatively HighStrong Wind
Annual Loss$2.3M
Risk Score94.5
⚡
Relatively HighLightning
Annual Loss$874K
Risk Score88.9
🥶
Relatively ModerateCold Wave
Annual Loss$4.5M
Risk Score87.2
🧊
Relatively ModerateHail
Annual Loss$1.1M
Risk Score87.1
Show all 14 hazards
❄️
Relatively HighIce Storm
Annual Loss$434K
Risk Score83.7
⛄
Relatively ModerateWinter Weather
Annual Loss$162K
Risk Score79.7
⛰️
Very LowLandslide
Annual Loss$827
Risk Score46.0
🌀
Very LowHurricane
Annual Loss$13K
Risk Score32.1
🔥
Very LowWildfire
Annual Loss$831
Risk Score3.0
☀️
No RatingDrought
Annual Loss$0
Risk Score0.0
St. Louis County vs. National Average
🎯 Overall Risk
98.7+50.0 vs avg
National avg: 48.7
🔥 Wildfire Risk
3.0-45.7 vs avg
National avg: 48.7
👥 Social Vulnerability
71.9+22.7 vs avg
National avg: 49.2
🛡️ Community Resilience
61.0+12.3 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
71.9
Relatively HighHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
61.0
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.