Natural Disaster Risk in St. Martin County
Louisiana
Risk Summary for St. Martin County
St. Martin County scores 6.6/10 (High risk), above the U.S. average of 4.5. The leading hazard is Coastal Flooding.
Top Hazards
All 18 Hazard Scores
How it compares
Live Conditions
🏠 What this means for insurance
Above-average risk — check your policy limits
Standard homeowners insurance may not fully cover all hazards rated highly in this area. Verify that your policy includes adequate coverage for the top local hazards, and ask your insurer about specific endorsements or separate policies (e.g., flood, earthquake).
This is general information only. Consult a licensed insurance professional for advice specific to your property.
Natural Hazard Profile: St. Martin County, Louisiana
Situated in the United States, St. Martin County in Louisiana experiences a humid subtropical climate marked by very hot summers, mild winters, and exceptionally high humidity. A lengthy hurricane and tropical storm season is a defining feature of the regional hazard profile that affects residents and property owners countywide.
St. Martin County's overall natural disaster risk is rated 6.6/10 (High) by FEMA's National Risk Index. Coastal flood risk defines the local natural hazard environment, with sea-level rise trends gradually increasing the frequency of tidal flooding events alongside storm surge threats. Secondary hazards include hurricane and drought.
Relative to other U.S. communities, St. Martin County's natural disaster risk is well above the U.S. national average of 4.5/10, slightly above the 6.1/10 state average. The hazard distribution here is led by coastal flood and hurricane, as measured by FEMA across St. Martin County. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.
With a high natural disaster risk rating, St. Martin County residents benefit from taking preparedness seriously. Reviewing insurance coverage for coastal flood and secondary hazards, registering for emergency alerts, and maintaining a household emergency kit are practical steps that can significantly reduce impact during a major event.
What this means for St. Martin County: Coastal Flooding preparedness
- Know your evacuation zone and monitor tidal and surge forecasts during coastal storms.
- Elevate utilities and consider flood-resistant construction in low-lying shoreline areas.
- Coastal flood and storm-surge damage requires separate flood insurance, not standard homeowners coverage.
Cities in St. Martin County
ZIP codes in St. Martin County
Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. For informational purposes only.