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

Hernando County Disaster Risk

Hernando County, Florida

FEMA Risk Rating

Relatively Moderate

National Percentile

88th

of 3,144 counties

State Rank

#34

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 88% of US counties

Tornado

Tornado and severe thunderstorm risk

Moderate

Higher than 92% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 30% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively High

Higher than 96% of US counties

Risk Overview

About Natural Disaster Risk in Hernando County, Florida

Hernando faces well-above-average risk

Hernando County's composite risk score of 87.98 ranks it firmly in the Relatively Moderate category, placing it in the riskier half of all U.S. counties. This score reflects a community exposed to multiple significant natural hazards across its 14-county footprint.

Upper third of Florida risk rankings

Hernando County's 87.98 score sits well above Florida's state average of 75.74, putting it among the state's higher-risk counties. This reflects the county's coastal position and vulnerability to the full spectrum of Florida's environmental threats.

Riskier than Pasco, comparable to Citrus

Hernando's 87.98 positions it as one of the more exposed counties in the Tampa Bay region, with notably higher risk than inland Pasco County. Its score aligns closely with other Gulf Coast counties facing similar hurricane and storm surge vulnerabilities.

Hurricanes and tornadoes rank as top threats

Hurricane risk (96.08) and tornado risk (91.83) dominate Hernando's hazard profile, both exceeding the 85th percentile. Flood risk (85.59) and wildfire risk (88.01) round out a multi-dimensional threat environment that demands comprehensive preparation.

Bundle wind, flood, and tornado coverage

With all major hazard risks between 85 and 96, you need comprehensive coverage: wind insurance for hurricanes, a separate flood policy (standard homeowner policies exclude it), and documentation for tornado damage. Consider wind-resistant upgrades like impact-resistant windows and reinforced roof attachments, especially critical given your 91.83 tornado risk score.

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

Preparedness Guide

What to Prepare for in Hernando County

Top Hazards by Exposure

  1. #1
    HurricanePrepare
    96th percentile
  2. #2
    TornadoPrepare
    92th percentile
  3. #3
    WildfirePrepare
    88th percentile

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

Risk Advisory: Hernando County

Risk Verdict

Natural hazard risk in Hernando County is higher than the majority of U.S. counties, with a national composite rank of 88th. Hernando County's elevated composite score reflects cumulative multi-hazard exposure; households should prepare for the county's two or three primary hazard types.

Hazard Breakdown

Hurricane risk is Hernando County's dominant natural hazard, ranked at the 96th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 92th percentile nationally. Additional tracked hazards include wildfire (88th percentile), flood (86th percentile), earthquake (30th percentile).

Preparedness Context

At the 96th percentile nationally for hurricane risk, Hernando County is in a zone where flood insurance matters beyond the primary wind risk: NFIP flood insurance requires a 30-day waiting period before taking effect, making off-season enrollment the correct timing. Tornado at the 92th percentile nationally is Hernando County's secondary hazard, often intensified by the same weather systems that produce hurricane conditions. For Hernando County households, the hurricane preparedness calendar matters: flood insurance has a 30-day waiting period, wind-hardening retrofits take weeks to schedule, and evacuation route scouting is best done before a storm watch is issued.

Regional Context

A composite score 12.2 points above the Florida state average puts Hernando County in a higher-risk category than most counties in the state.

Is your household prepared for Hernando 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 Hernando County, FL?
Hernando County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 88th 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 Hernando County?
Hernando County is evaluated for five major natural hazard types: hurricane (96th percentile), tornado (92th percentile), wildfire (88th percentile), flooding (86th percentile), earthquake (30th percentile). The highest-risk hazard is hurricane at the 96th 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 Hernando County risk compare to the Florida average?
Hernando County's composite risk percentile is 88th, compared to the Florida state average of 76th percentile. The state's overall risk rating is Relatively Low. This means Hernando County faces higher natural disaster risk than the typical county in Florida.
Is Hernando County at risk for hurricane?
Yes, Hernando County's hurricane risk is at the 96th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Hernando 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 Hernando County higher risk than average?
Hernando County's composite risk score of 88th percentile is above the Florida state average of 76th percentile. This elevated risk is driven by hurricane exposure (96th percentile), along with tornado and wildfire and flooding 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.