St. Martin County, Louisiana
Natural Hazard Risk Assessment — Population: 51,686
87.3NRI
Relatively Moderate
Overall Risk Rating
👥
Population
51,686
🏠
Building Value
$9.5B
💰
Annual Hazard Loss
$47.0M
⚠️
Hazards Tracked
15
Natural Hazard Risk Profile
🌀
Relatively HighHurricane
Annual Loss$20.6M
Risk Score96.1
☀️
Relatively HighDrought
Annual Loss$1.4M
Risk Score92.7
🥶
Relatively HighCold Wave
Annual Loss$5.4M
Risk Score90.7
🌪️
Relatively ModerateTornado
Annual Loss$4.9M
Risk Score89.5
⚡
Relatively HighLightning
Annual Loss$753K
Risk Score88.0
🏖️
Relatively HighCoastal Flooding
Annual Loss$3.2M
Risk Score87.0
🌡️
Relatively LowHeat Wave
Annual Loss$995K
Risk Score78.7
❄️
Relatively ModerateIce Storm
Annual Loss$157K
Risk Score70.2
Show all 15 hazards
🌊
Relatively LowRiverine Flooding
Annual Loss$9.0M
Risk Score69.5
⛄
Relatively LowWinter Weather
Annual Loss$37K
Risk Score44.0
🏔️
Very LowEarthquake
Annual Loss$136K
Risk Score43.8
💨
Relatively LowStrong Wind
Annual Loss$283K
Risk Score38.9
⛰️
Very LowLandslide
Annual Loss$141
Risk Score25.5
🔥
Very LowWildfire
Annual Loss$8K
Risk Score25.0
🧊
Very LowHail
Annual Loss$52K
Risk Score20.6
St. Martin County vs. National Average
🎯 Overall Risk
87.3+38.6 vs avg
National avg: 48.7
🔥 Wildfire Risk
25.0-23.7 vs avg
National avg: 48.7
👥 Social Vulnerability
88.0+38.8 vs avg
National avg: 49.2
🛡️ Community Resilience
81.4+32.7 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
88.0
Very HighHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
81.4
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.