riskbycounty
FEMA National Risk Index

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 Advisory: Trinity County

Risk Verdict

Trinity County shows a relatively low overall disaster risk profile, scoring in the 61th percentile nationally. The county faces moderate hazard exposure relative to other U.S. counties. Standard emergency preparedness is recommended, with attention to the specific hazards that dominate locally.

Hazard Breakdown

Hurricane risk is the dominant hazard for Trinity County, scoring in the 84th percentile nationally. It is followed by wildfire risk at the 70th percentile. Additional hazards include tornado (63th), flood (40th), earthquake (29th).

Preparedness Context

With hurricane risk as the top concern, Trinity County residents should know your evacuation route, stockpile supplies for at least 72 hours, and review your homeowners and flood insurance policies annually. Secondary risks such as wildfire also warrant attention in household and community preparedness planning. FEMA recommends all households maintain at least 72 hours of food, water, and medication supplies regardless of specific hazard exposure.

Regional Context

Trinity County is significantly riskier than the average county in Texas. Its composite risk score is 11.6 points higher than the state average, meaning residents face above-average exposure to natural hazards compared to their neighbors.

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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.

Counties with Similar Risk

Houston County

Texas

+0.0

Relatively Low

61th percentile

Atascosa County

Texas

+0.1

Relatively Low

61th percentile

Brooks County

Texas

+0.2

Relatively Low

61th percentile

By Logan Johnson, Founder & Data EditorUpdated Reviewed by Logan Johnson, Founder & 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.

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