Critical Risk Florida  ·  Hurricane / Storm Surge

Monroe County FL

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

10/ 10
Threat Score
Population
82874
Area
997
sq miles
Primary Hazard
Hurricane / Storm Surge
FEMA Disasters
72
federally declared

Monroe County encompasses the Florida Keys — a 125-mile chain of islands with only one road in and out. This makes it the most difficult county to evacuate in the United States. Hurricane Irma made landfall in the Keys as a Category 4 in 2017, devastating Cudjoe Key and the lower Keys. Sea level rise threatens to make portions of the Keys uninhabitable within decades.

// Risk Intelligence

Threat Score 10 / 10    Critical Risk
Primary Hazard Hurricane / Storm Surge
Secondary Hazard Sea Level Rise
FEMA Flood Zone Zone VE (Critical Risk)
Federally Declared Disasters 72
Last Major Event Hurricane Irma (2017)
Event Frequency Major event every 3–4 years

// Emergency Operations

Emergency Mgmt Phone (305) 289-6325
Emergency Shelters 8 designated facilities
Evacuation Routes US-1 North (only evacuation route)

// Recommended Preparedness Gear

Based on Monroe County FL's primary hazard profile (Hurricane / Storm Surge), the following gear is recommended for a Critical risk area.

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// County Profile

County Monroe County FL
State Florida (FL)
Population 82874
Area 997 sq miles
FEMA Region Zone VE (Critical Risk)

// Other Florida Counties