Jefferson Parish surrounds New Orleans on three sides and shares its extreme hurricane vulnerability. Much of the parish sits at or below sea level. Hurricane Ida made direct landfall in nearby Lafourche Parish in 2021 and caused catastrophic wind damage and storm surge flooding across Jefferson. The parish has experienced more federally declared disasters per square mile than almost any other county in the United States.
// Preparedness Recommendations
- Evacuation routes inland should be identified in advance.
- Store at least 72 hours of food and water.
- Elevate critical belongings above flood level.
- Have backup power ready in case of grid failure.
// Recommended Supplies
Essential gear for power outages, severe weather, and emergency situations in your area.
- Emergency Food Supplies
- Water Filtration & Storage
- Backup Generator
- Solar Backup Power
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// Risk Intelligence
| Threat Score | 9 / 10 Critical Risk |
| Primary Hazard | Hurricane / Storm Surge |
| Secondary Hazard | Flooding |
| FEMA Flood Zone | Zone VE (Critical Risk) |
| Federally Declared Disasters | 70 |
| Last Major Event | Hurricane Ida (2021) |
| Event Frequency | Major event every 2–3 years |
// Emergency Operations
| Emergency Mgmt Phone | (504) 349-5360 |
| Emergency Shelters | 38 designated facilities |
| Evacuation Routes | I-10 West, I-10 East, US-90 West, LA-3127 (Westbank Expressway) |
// County Profile
| County | Jefferson Parish LA |
| State | Louisiana (LA) |
| Population | 432,493 |
| Area | 664 sq miles |
| FEMA Region | Zone VE (Critical Risk) |
// Major Cities
// Cities in This County
// Other Louisiana Counties
// Nearby Infrastructure Risks
Critical infrastructure facilities within or near this area that could affect civilian safety during emergencies, conflict, or infrastructure failures.
Infrastructure risk data is for emergency preparedness awareness. Facility locations are publicly known. Always follow official emergency guidance.