St. Charles County, Missouri
Natural Hazard Risk Assessment — Population: 405,183
92.6NRI
Relatively Moderate
Overall Risk Rating
👥
Population
405,183
🏠
Building Value
$90.8B
💰
Annual Hazard Loss
$215.2M
⚠️
Hazards Tracked
14
Natural Hazard Risk Profile
💨
Very HighStrong Wind
Annual Loss$9.7M
Risk Score98.1
🧊
Relatively HighHail
Annual Loss$9.3M
Risk Score97.6
🌪️
Relatively HighTornado
Annual Loss$27.6M
Risk Score96.4
🌡️
Relatively ModerateHeat Wave
Annual Loss$11.7M
Risk Score95.6
🏔️
Relatively ModerateEarthquake
Annual Loss$22.5M
Risk Score94.6
🌊
Relatively HighRiverine Flooding
Annual Loss$115.9M
Risk Score94.2
⛰️
Relatively ModerateLandslide
Annual Loss$144K
Risk Score92.8
🥶
Relatively HighCold Wave
Annual Loss$15.2M
Risk Score92.7
Show all 14 hazards
⚡
Relatively HighLightning
Annual Loss$2.0M
Risk Score89.7
⛄
Relatively HighWinter Weather
Annual Loss$658K
Risk Score89.0
❄️
Relatively ModerateIce Storm
Annual Loss$416K
Risk Score71.6
🔥
Very LowWildfire
Annual Loss$135K
Risk Score58.8
☀️
Relatively LowDrought
Annual Loss$56K
Risk Score32.3
🌀
Very LowHurricane
Annual Loss$13K
Risk Score22.8
St. Charles County vs. National Average
🎯 Overall Risk
92.6+43.9 vs avg
National avg: 48.7
🔥 Wildfire Risk
58.8+10.1 vs avg
National avg: 48.7
👥 Social Vulnerability
10.6-38.6 vs avg
National avg: 49.2
🛡️ Community Resilience
95.1+46.4 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
10.6
Very LowHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
95.1
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.