Natural Disaster Risk in St. Tammany County
Louisiana
Risk Summary for St. Tammany County
St. Tammany County scores 7.9/10 (High risk), above the U.S. average of 4.5. The leading hazard is Hurricane.
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. Tammany County, Louisiana
St. Tammany County, in the United States in Louisiana, is characterized by its humid subtropical climate — very hot summers, mild winters, and exceptionally high humidity. The county faces a lengthy hurricane and tropical storm season, and its FEMA risk assessment establishes the hazard baseline shared by all the towns and cities it contains.
St. Tammany County's overall natural disaster risk is rated 7.9/10 (High) by FEMA's National Risk Index. Tropical cyclones are the dominant hazard, with the area facing threats from both direct landfalling hurricanes and the outer rain bands and storm surge of systems making landfall nearby. Secondary hazards include coastal flood and heat.
Within Louisiana, St. Tammany County's risk is, considerably above the 6.1/10 state average. Nationally, it ranks well above the U.S. national average of 4.5/10. FEMA's analysis of St. Tammany County identifies hurricane as the foremost hazard, followed by coastal flood and heat. These rankings reflect the relative frequency and severity of each hazard type in the local environment.
With a high natural disaster risk rating, St. Tammany County residents benefit from taking preparedness seriously. Reviewing insurance coverage for hurricane 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. Tammany County: Hurricane preparedness
- Keep at least a week of supplies on hand; power and water service can be disrupted for days after landfall.
- Wind damage is usually covered by homeowners insurance, but storm-surge flooding requires separate flood coverage.
- Know your evacuation zone and route before hurricane season begins each June.
Cities in St. Tammany County
ZIP codes in St. Tammany County
Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. For informational purposes only.