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

Pasco County Disaster Risk

Pasco County, Florida

FEMA Risk Rating

Relatively High

National Percentile

96th

of 3,144 counties

State Rank

#16

of 67 (1 = highest risk)

Flood Risk

95th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively High

Higher than 95% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively High

Higher than 95% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively High

Higher than 98% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 45% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively High

Higher than 98% of US counties

Risk Overview

About Natural Disaster Risk in Pasco County, Florida

Pasco County faces high national risk

Pasco County's composite risk score of 95.96 ranks it among the highest-risk counties in the United States, rated Relatively High. Tornado risk of 98.41 leads the county's threats, followed by hurricane exposure at 98.12 and flood risk at 95.39.

Top-tier risk within Florida

At 95.96, Pasco County ranks among Florida's most disaster-prone communities, sitting 20.22 points above the state average of 75.74. The county trails only the most coastal counties in overall risk exposure.

Matches coastal peers in severity

Pasco's 95.96 score places it alongside Polk County (96.53) as inland Florida's riskiest communities, and closely mirrors coastal Pinellas County (98.22). The county faces measurably higher exposure than inland Putnam County (79.74) but slightly lower than hyperexposed Palm Beach and Sarasota.

Tornadoes and hurricanes reign

Pasco's tornado risk of 98.41 is among Florida's highest, reflecting its position in the state's severe weather corridor; hurricane exposure at 98.12 amplifies storm season concerns. Wildfire risk at 95.39 and flood risk at 95.39 round out a hazard profile demanding year-round vigilance.

Prepare for violent wind events

Pasco homeowners face exceptional tornado and hurricane threats, making wind damage coverage essential—verify your policy covers hail and straight-line winds. Safe rooms or storm shelters are prudent investments; additionally, flood insurance is vital given the county's drainage challenges and storm surge vulnerability.

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

Preparedness Guide

What to Prepare for in Pasco County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    98th percentile
  2. #2
    HurricanePrepare
    98th percentile
  3. #3
    FloodPrepare
    95th percentile

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

Risk Advisory: Pasco County

Risk Verdict

With a national rank of 96th percentile, Pasco County faces above-average natural disaster pressure across several hazard categories. High composite risk signals that multiple hazard types are elevated simultaneously; planning for more than one scenario is important in Pasco County.

Hazard Breakdown

Tornado risk is Pasco County's dominant natural hazard, ranked at the 98th percentile nationally under FEMA's National Risk Index. Hurricane ranks second at the 98th percentile nationally. Additional tracked hazards include flood (95th percentile), wildfire (95th percentile), earthquake (45th percentile).

Preparedness Context

Pasco County's primary hazard, tornado, ranks at the 98th percentile nationally. In Pasco County, mobile homes and manufactured housing face significantly higher tornado risk than site-built structures; residents in these homes should identify the nearest permanent community shelter in advance. Hurricane is the second hazard driver for Pasco County at the 98th percentile nationally, meaning households should maintain awareness of both severe-weather and hurricane-specific warning systems. The highest-risk window for tornado fatalities is overnight, when Pasco County residents may be asleep. A NOAA weather radio with overnight alert capability is the single most impactful low-cost preparedness step available to Pasco County households.

Regional Context

Pasco County falls 20.2 points above Florida's typical county risk level, which means the hazard environment here is notably more demanding than the state baseline.

Is your household prepared for Pasco 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 Pasco County, FL?
Pasco County has a FEMA National Risk Index rating of Relatively High, placing it in the 96th 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 Pasco County?
Pasco County is evaluated for five major natural hazard types: tornado (98th percentile), hurricane (98th percentile), flooding (95th percentile), wildfire (95th percentile), earthquake (45th percentile). The highest-risk hazard is tornado 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 Pasco County risk compare to the Florida average?
Pasco County's composite risk percentile is 96th, compared to the Florida state average of 76th percentile. The state's overall risk rating is Relatively Low. This means Pasco County faces higher natural disaster risk than the typical county in Florida.
Is Pasco County at risk for tornado?
Yes, Pasco County's tornado risk is at the 98th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Pasco County is at the 95th 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 Pasco County higher risk than average?
Pasco County's composite risk score of 96th percentile is above the Florida state average of 76th percentile. This elevated risk is driven by tornado exposure (98th percentile), along with hurricane and flooding and wildfire 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.