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

Pinellas County Disaster Risk

Pinellas County, Florida

FEMA Risk Rating

Relatively High

National Percentile

98th

of 3,144 counties

State Rank

#9

of 67 (1 = highest risk)

Flood Risk

99th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively High

Higher than 99% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Moderate

Higher than 81% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively High

Higher than 99% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 67% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively High

Higher than 99% of US counties

Risk Overview

About Natural Disaster Risk in Pinellas County, Florida

Pinellas ranks among nation's highest risk

Pinellas County's composite risk score of 98.22 places it in the highest tier of U.S. counties for disaster exposure, rated Relatively High. Tornado risk at 99.05 and flood risk at 99.20 reflect the county's unique vulnerability, amplified by hurricane exposure at 98.87.

Top-three risk county in Florida

Pinellas ranks among Florida's riskiest communities with a 98.22 score, standing 22.48 points above the state average of 75.74. Only the most exposed coastal counties match Pinellas's overall hazard burden.

Coastal concentration of extreme risk

Pinellas's 98.22 score aligns with Sarasota County (98.16) and Palm Beach County (99.20) as part of Florida's most hazardous coastal region. Inland Polk County (96.53) and Pasco County (95.96) show measurably lower exposure, underscoring coastal Florida's disproportionate risk.

Flooding and tornadoes top threats

Pinellas faces exceptional flood risk at 99.20 and tornado risk at 99.05, making storm surge and violent winds the county's most pressing hazards. Hurricane exposure at 98.87 means Atlantic storms will routinely threaten the county with compounded surge, wind, and rainfall impacts.

Flood and wind coverage essential

Pinellas homeowners must secure separate flood insurance—storm surge and rainfall overwhelm drainage systems regularly in this low-lying county. Comprehensive wind coverage, roof reinforcement, and storm shutters are mandatory investments for properties facing the region's frequent hurricane and tornado threats.

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

Preparedness Guide

What to Prepare for in Pinellas County

Top Hazards by Exposure

  1. #1
    FloodPrepare
    99th percentile
  2. #2
    TornadoPrepare
    99th percentile
  3. #3
    HurricanePrepare
    99th percentile

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

Risk Advisory: Pinellas County

Risk Verdict

Pinellas County carries an elevated natural disaster risk burden, scoring at the 98th percentile nationally under FEMA's 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

Flood risk is Pinellas County's dominant natural hazard, ranked at the 99th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 99th percentile nationally. Additional tracked hazards include hurricane (99th percentile), wildfire (81th percentile), earthquake (67th percentile).

Preparedness Context

Pinellas County's top natural hazard is flood risk, ranked at the 99th percentile nationally. Homeowners here should confirm whether they are in a FEMA-designated flood zone and check if standard homeowners insurance covers flood damage — it typically does not. The county's second-ranked hazard, tornado at the 99th percentile nationally, means Pinellas County residents face compounding risks from multiple natural hazard types during peak seasons. For most Pinellas County households, the highest-return preparedness step is storing critical documents in digital cloud backup combined with a pre-designated family meeting point if communication is disrupted.

Regional Context

Pinellas County's composite risk score sits 22.5 points above the Florida county average, placing it among the more hazard-exposed counties in the state.

Is your household prepared for Pinellas 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 Pinellas County, FL?
Pinellas County has a FEMA National Risk Index rating of Relatively High, placing it in the 98th 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 Pinellas County?
Pinellas County is evaluated for five major natural hazard types: flooding (99th percentile), tornado (99th percentile), hurricane (99th percentile), wildfire (81th percentile), earthquake (67th percentile). The highest-risk hazard is flooding at the 99th 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 Pinellas County risk compare to the Florida average?
Pinellas County's composite risk percentile is 98th, compared to the Florida state average of 76th percentile. The state's overall risk rating is Relatively Low. This means Pinellas County faces higher natural disaster risk than the typical county in Florida.
Is Pinellas County at risk for flooding?
Yes, Pinellas County's flooding risk is at the 99th percentile nationally. This places it in the top quartile for this hazard type.
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 Pinellas County higher risk than average?
Pinellas County's composite risk score of 98th percentile is above the Florida state average of 76th percentile. This elevated risk is driven by flooding exposure (99th percentile), along with tornado and hurricane 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.