St. Lucie County Disaster Risk
St. Lucie County, Florida
FEMA Risk Rating
Relatively High
National Percentile
96th
of 3,144 counties
State Rank
#15
of 67 (1 = highest risk)
Flood Risk
89th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Moderate
Higher than 89% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Moderate
Higher than 87% of US counties
Tornado
Tornado and severe thunderstorm risk
Moderate
Higher than 83% of US counties
Earthquake
Seismic activity and ground shaking risk
Very Low
Higher than 40% of US counties
Hurricane
Tropical cyclone and hurricane risk
Relatively High
Higher than 99% of US counties
Risk Overview
About Natural Disaster Risk in St. Lucie County, Florida
St. Lucie is among America's riskiest
St. Lucie County's composite risk score of 96.06 places it in the "Relatively High" category, significantly outpacing the national average for natural disaster risk. This near-96 score reflects acute, multi-dimensional exposure that demands proactive resident preparedness.
Highest hurricane risk in Florida
St. Lucie's 96.06 score far exceeds Florida's 75.74 state average, and its hurricane risk of 99.21 is the highest in the entire state. This exceptional Atlantic exposure makes St. Lucie a national hotspot for coastal storm hazard.
Distinctly riskier than regional peers
St. Lucie's 96.06 risk score substantially exceeds nearby Seminole County (91.44), St. Johns County (87.53), and Taylor County (65.43). Its near-99 hurricane risk is unmatched among neighboring counties, reflecting its prime Atlantic coast position.
Hurricanes dominate St. Lucie exposure
With a hurricane risk score of 99.21—the state's highest—St. Lucie residents face extraordinary exposure to Atlantic tropical cyclones, storm surge, and wind damage. Flooding is also critical at 89.31, affecting coastal and inland low-lying areas during heavy precipitation events.
Hurricane preparedness is non-negotiable
St. Lucie homeowners must obtain comprehensive flood insurance and ensure hurricane coverage is included in or separate from their homeowners policy. Install hurricane shutters, reinforce roof-to-wall connections, trim trees to reduce wind damage risk, and maintain an updated emergency kit and evacuation plan given the county's extraordinary coastal risk.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in St. Lucie County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: St. Lucie County
Risk Verdict
At the 96th percentile nationally, St. Lucie County is among the more hazard-exposed counties in the United States. Proactive preparedness — not reactive response — is key to managing life in one of the country's higher-risk counties; St. Lucie County residents should plan accordingly.
Hazard Breakdown
Hurricane risk is St. Lucie County's dominant natural hazard, ranked at the 99th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 89th percentile nationally. Additional tracked hazards include wildfire (87th percentile), tornado (83th percentile), earthquake (40th percentile).
Preparedness Context
At the 99th percentile nationally for hurricane exposure, St. Lucie County households benefit from reviewing both homeowners and flood insurance coverage before storm season begins — standard policies often exclude storm surge, which is the leading cause of hurricane fatalities. Flood, the county's second-ranked hazard at the 89th percentile nationally, represents an additional preparedness consideration for St. Lucie County independent of hurricane season. Hurricane-force winds cause direct property damage, but storm surge causes the majority of hurricane-related deaths. St. Lucie County households near tidal water or low-elevation areas should verify whether they are in a storm surge risk zone.
Regional Context
At 20.3 points above the Florida state average, St. Lucie County carries meaningfully higher natural disaster exposure than a typical Florida county.
Is your household prepared for St. Lucie County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in St. Lucie County, FL?
What types of natural hazards affect St. Lucie County?
How does St. Lucie County risk compare to the Florida average?
Is St. Lucie County at risk for hurricane?
How is natural disaster risk measured?
Why is St. Lucie County higher risk than average?
Data Source
Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.
Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.