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

Trinity County Disaster Risk

Trinity County, Texas

FEMA Risk Rating

Relatively Low

National Percentile

61th

of 3,144 counties

State Rank

#108

of 254 (1 = highest risk)

Flood Risk

40th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 40% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 70% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 63% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 29% of US counties

Hurricane

Tropical cyclone and hurricane risk

Moderate

Higher than 84% of US counties

Risk Overview

About Natural Disaster Risk in Trinity County, Texas

Trinity County's Moderate Risk Profile

Trinity County scores 60.62 on the composite risk index, placing it above the national average and indicating meaningful disaster exposure. The relatively low risk rating reflects manageable but present threats, particularly from hurricanes and wildfire, that residents should prepare for actively.

Above-Average Risk in Texas

At 60.62, Trinity County exceeds Texas's state average of 49.00, ranking in the mid-upper tier of riskiest counties statewide. This elevation is driven primarily by extreme hurricane exposure (83.69) due to the county's proximity to the Texas Gulf Coast and vulnerable topography.

Similar Risk to East Texas Peers

Trinity County's score of 60.62 aligns closely with neighboring Tyler County (61.01) and Upshur County (66.92), reflecting a shared East Texas corridor of moderate-to-elevated disaster risk. All three counties face significant hurricane exposure that distinguishes them from inland West Texas counties.

Hurricane Tops Your Threat List

Hurricane risk (83.69) dominates Trinity County's hazard profile, reflecting the county's location in Southeast Texas's storm surge and wind corridor. Wildfire (69.97) and tornado risk (63.39) add secondary threats, creating a multi-season cycle of preparation needs.

Hurricane Preparedness is Critical

Verify that your homeowners insurance includes wind and hail coverage with manageable deductibles, as hurricane damage often exceeds standard policy limits. Install storm shutters or impact-resistant windows, reinforce your roof, and maintain a hurricane emergency kit with water, medication, and critical documents; evacuation routes may be congested during major storms.

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

Preparedness Guide

What to Prepare for in Trinity County

Top Hazards by Exposure

  1. #1
    HurricanePrepare
    84th percentile
  2. #2
    WildfirePrepare
    70th percentile
  3. #3
    TornadoPrepare
    63th percentile

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

Risk Advisory: Trinity County

Risk Verdict

With a national percentile rank of 61th, Trinity County faces below-average hazard exposure relative to U.S. counties as a whole. Above-average risk does not mean imminent danger; it signals that informed, hazard-specific preparedness has high value here.

Hazard Breakdown

Hurricane risk is Trinity County's dominant natural hazard, ranked at the 84th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 70th percentile nationally. Additional tracked hazards include tornado (63th percentile), flood (40th percentile), earthquake (29th percentile).

Preparedness Context

At the 84th percentile nationally for hurricane exposure, Trinity 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. Wildfire at the 70th percentile nationally is Trinity 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. Trinity County households near tidal water or low-elevation areas should verify whether they are in a storm surge risk zone.

Regional Context

At 11.6 points above the Texas state average, Trinity County carries meaningfully higher natural disaster exposure than a typical Texas county.

Is your household prepared for Trinity 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 Trinity County, TX?
Trinity County has a FEMA National Risk Index rating of Relatively Low, placing it in the 61th 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 Trinity County?
Trinity County is evaluated for five major natural hazard types: hurricane (84th percentile), wildfire (70th percentile), tornado (63th percentile), flooding (40th percentile), earthquake (29th percentile). The highest-risk hazard is hurricane at the 84th 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 Trinity County risk compare to the Texas average?
Trinity County's composite risk percentile is 61th, compared to the Texas state average of 49th percentile. The state's overall risk rating is Relatively Low. This means Trinity County faces higher natural disaster risk than the typical county in Texas.
Is Trinity County at risk for hurricane?
Yes, Trinity County's hurricane risk is at the 84th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Trinity County is at the 40th 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 Trinity County higher risk than average?
Trinity County's composite risk score of 61th percentile is above the Texas state average of 49th percentile. This elevated risk is driven by hurricane exposure (84th percentile), along with wildfire and tornado 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.