riskbycounty
FEMA NRI 1.19.0Updated Nov 2023 · Coverage 2014–2023Methodology

Clay County Disaster Risk

Clay County, Florida

FEMA Risk Rating

Relatively Moderate

National Percentile

81th

of 3,144 counties

State Rank

#39

of 67 (1 = highest risk)

Flood Risk

86th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 86% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Moderate

Higher than 83% of US counties

Tornado

Tornado and severe thunderstorm risk

Moderate

Higher than 83% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 65% of US counties

Hurricane

Tropical cyclone and hurricane risk

Moderate

Higher than 90% of US counties

Risk Overview

About Natural Disaster Risk in Clay County, Florida

Clay's risk exceeds most U.S. counties

Clay County's composite risk score of 81.08 places it in the "Relatively Moderate" category, above the typical American county's exposure to natural hazards. The score reflects balanced threats from hurricanes (89.78), flooding (85.91), and tornado activity (83.17) across the Jacksonville metropolitan area.

Mid-range risk within Florida

At 81.08, Clay County scores above Florida's state average of 75.74, ranking it among the moderate-to-high risk counties statewide. The county's position in Northeast Florida, where Atlantic hurricane exposure combines with regional tornado and flood patterns, drives this elevated profile.

Riskier than inland, safer than coastal

Clay County (81.08) sits between lower-risk Columbia County (69.72) to the south and much higher-risk Duval County (97.20) immediately to the east. As a suburban Jacksonville county, Clay absorbs hurricane and flood threats without the extreme coastal vulnerability that defines Duval's risk profile.

Hurricanes, floods, and tornado corridors

Hurricane risk at 89.78 and flood risk at 85.91 reflect Atlantic exposure and regional drainage patterns, while tornado risk of 83.17 is notably high for Florida. This three-threat combination means residents face compounded seasonal risks during Atlantic hurricane season (June–November) and severe weather season.

Multi-hazard insurance strategy recommended

Homeowners should maintain comprehensive coverage for wind, hail, and tornado damage, plus separate flood insurance given the 85.91 flood score. Reinforcing garage doors and installing a safe room provides additional protection against the tornado risk that sets Clay County apart from pure coastal Florida counties.

Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor

Preparedness Guide

What to Prepare for in Clay County

Top Hazards by Exposure

  1. #1
    HurricanePrepare
    90th percentile
  2. #2
    FloodPrepare
    86th percentile
  3. #3
    TornadoPrepare
    83th percentile

Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)

Risk Advisory: Clay County

Risk Verdict

Clay County faces a moderate natural disaster risk profile, ranking at the 81th percentile nationally under FEMA's composite risk model. This risk level calls for more than general awareness: insurance coverage review, a family communication plan, and a prepared go-bag are practical priorities.

Hazard Breakdown

Hurricane risk is Clay County's dominant natural hazard, ranked at the 90th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 86th percentile nationally. Additional tracked hazards include tornado (83th percentile), wildfire (83th percentile), earthquake (65th percentile).

Preparedness Context

Hurricane risk is Clay County's top-ranked natural hazard at the 90th percentile nationally. The most time-sensitive preparedness step is knowing the county's evacuation zone for your address — zone maps are published by the county emergency management office. Clay County's flood exposure at the 86th percentile nationally adds a hazard layer that can persist or intensify after hurricane-force winds have passed, particularly in low-lying inland areas. Clay County's county emergency management office publishes official evacuation zone maps with zone-specific shelter locations; downloading this map and identifying your zone assignment is the single highest-value pre-season step.

Regional Context

Clay County's composite risk score sits 5.3 points above the Florida county average, placing it among the more hazard-exposed counties in the state.

Is your household prepared for Clay County's hazards?

Review FEMA's county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

Frequently Asked Questions

What is the natural disaster risk in Clay County, FL?
Clay County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 81th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.
What types of natural hazards affect Clay County?
Clay County is evaluated for five major natural hazard types: hurricane (90th percentile), flooding (86th percentile), tornado (83th percentile), wildfire (83th percentile), earthquake (65th percentile). The highest-risk hazard is hurricane at the 90th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.
How does Clay County risk compare to the Florida average?
Clay County's composite risk percentile is 81th, compared to the Florida state average of 76th percentile. The state's overall risk rating is Relatively Low. This means Clay County faces higher natural disaster risk than the typical county in Florida.
Is Clay County at risk for hurricane?
Yes, Clay County's hurricane risk is at the 90th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Clay County is at the 86th percentile.
How is natural disaster risk measured?
FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.
Why is Clay County higher risk than average?
Clay County's composite risk score of 81th percentile is above the Florida state average of 76th percentile. This elevated risk is driven by hurricane exposure (90th percentile), along with flooding and tornado and wildfire and earthquake risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.
By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

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.