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

Marion County Disaster Risk

Marion County, Florida

FEMA Risk Rating

Relatively High

National Percentile

95th

of 3,144 counties

State Rank

#20

of 67 (1 = highest risk)

Flood Risk

93th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 93% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively High

Higher than 97% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively High

Higher than 97% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 63% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively High

Higher than 98% of US counties

Risk Overview

About Natural Disaster Risk in Marion County, Florida

Marion's risk is well above average

Marion County scores 94.72 on composite disaster risk, placing it in the relatively high category and well above the national norm. This score reflects significant exposure to multiple hazard types, from hurricanes to wildfires. The county faces substantially greater risk than the typical American county.

Ranked high among Florida counties

At 94.72, Marion scores 19 points above Florida's state average of 75.74, putting it in the upper tier of risk statewide. The county is among Florida's more hazard-exposed regions. Only the most vulnerable counties in the state face comparable overall risk levels.

More exposed than surrounding areas

Marion County's 94.72 risk score exceeds nearby Alachua and Citrus counties, reflecting its particular vulnerability to hurricanes (97.83) and tornadoes (97.26). While neighboring Sumter County faces similar wildfire exposure, Marion's multi-hazard profile creates greater overall risk. Residents here face measurably higher combined disaster threats than most central Florida neighbors.

Hurricanes and tornadoes dominate

Marion County's two greatest threats are hurricane risk at 97.83 and tornado risk at 97.26—among the highest in the state. Wildfire risk scores 96.76, creating a triple threat to homes and infrastructure across the county. Combined, these three hazards account for the bulk of Marion's elevated overall risk profile.

Insurance is essential here

With hurricane and tornado risks above 97, comprehensive homeowners and flood insurance are not optional in Marion County. Review your policy annually to ensure coverage matches your home's replacement value and includes windstorm protection. Consider a safe room or storm shelter given tornado exposure, and maintain property-hardening measures like impact-resistant windows.

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

Preparedness Guide

What to Prepare for in Marion County

Top Hazards by Exposure

  1. #1
    HurricanePrepare
    98th percentile
  2. #2
    TornadoPrepare
    97th percentile
  3. #3
    WildfirePrepare
    97th percentile

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

Risk Advisory: Marion County

Risk Verdict

At the 95th percentile nationally, Marion 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; Marion County residents should plan accordingly.

Hazard Breakdown

Hurricane risk is Marion County's dominant natural hazard, ranked at the 98th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 97th percentile nationally. Additional tracked hazards include wildfire (97th percentile), flood (93th percentile), earthquake (63th percentile).

Preparedness Context

At the 98th percentile nationally for hurricane exposure, Marion 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. Tornado at the 97th percentile nationally is Marion County's secondary hazard, often intensified by the same weather systems that produce hurricane conditions. Hurricane-force winds cause direct property damage, but storm surge causes the majority of hurricane-related deaths. Marion County households near tidal water or low-elevation areas should verify whether they are in a storm surge risk zone.

Regional Context

At 19.0 points above the Florida state average, Marion County carries meaningfully higher natural disaster exposure than a typical Florida county.

Is your household prepared for Marion 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 Marion County, FL?
Marion County has a FEMA National Risk Index rating of Relatively High, placing it in the 95th 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 Marion County?
Marion County is evaluated for five major natural hazard types: hurricane (98th percentile), tornado (97th percentile), wildfire (97th percentile), flooding (93th percentile), earthquake (63th percentile). The highest-risk hazard is hurricane at the 98th 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 Marion County risk compare to the Florida average?
Marion County's composite risk percentile is 95th, compared to the Florida state average of 76th percentile. The state's overall risk rating is Relatively Low. This means Marion County faces higher natural disaster risk than the typical county in Florida.
Is Marion County at risk for hurricane?
Yes, Marion County's hurricane risk is at the 98th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Marion County is at the 93th 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 Marion County higher risk than average?
Marion County's composite risk score of 95th percentile is above the Florida state average of 76th percentile. This elevated risk is driven by hurricane exposure (98th percentile), along with tornado and wildfire and flooding 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.