High Risk Louisiana  ·  Hurricane / Storm Surge

St. Mary Parish LA

EMERGENCY PREPAREDNESS & DISASTER RISK PROFILE  ·  LAST UPDATED: Mar 2026

9/ 10
Threat Score
Population
53
Area
1,118
sq miles
Primary Hazard
Hurricane / Storm Surge
FEMA Disasters
10
federally declared

St. Mary Parish LA in Louisiana faces hurricane / storm surge risk across its 1,118 square mile area. Franklin on the Gulf Coast serves this south Louisiana parish facing hurricane risk. St. Mary serves as the county seat and regional emergency coordination hub.

// 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.

// Risk Intelligence

Threat Score 9 / 10    High Risk
Primary Hazard Hurricane / Storm Surge
Secondary Hazard Land Subsidence
FEMA Flood Zone Moderate
Federally Declared Disasters 10
Last Major Event Ida 2021
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (337) 828-4100
Emergency Shelters 4 designated facilities
Evacuation Routes State and US highways

// County Profile

County St. Mary Parish LA
State Louisiana (LA)
Population 53
Area 1,118 sq miles
FEMA Region Moderate

// Other Louisiana Counties