riskbycounty
FEMA National Risk Index

Dimmit County Disaster Risk

Dimmit County, Texas

FEMA Risk Rating

Very Low

National Percentile

36th

of 3,144 counties

State Rank

#156

of 254 (1 = highest risk)

Flood Risk

19th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 19% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 55% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 28% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 9% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 62% of US counties

Risk Advisory: Dimmit County

Risk Verdict

Dimmit County has a very low overall disaster risk profile, scoring in the 36th percentile nationally. This county is among the safer counties in the United States from a natural disaster perspective, though no area is entirely risk-free.

Hazard Breakdown

Hurricane risk is the dominant hazard for Dimmit County, scoring in the 62th percentile nationally. It is followed by wildfire risk at the 55th percentile. Additional hazards include tornado (28th), flood (19th), earthquake (9th).

Preparedness Context

With hurricane risk as the top concern, Dimmit 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

Dimmit County is notably safer than the average county in Texas. Its composite risk score is 13.1 points lower than the state average, indicating below-average exposure to natural hazards relative to other counties in the state.

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Frequently Asked Questions

What is the natural disaster risk in Dimmit County, TX?
Dimmit County has a FEMA National Risk Index rating of Very Low, placing it in the 36th 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 Dimmit County?
Dimmit County is evaluated for five major natural hazard types: hurricane (62th percentile), wildfire (55th percentile), tornado (28th percentile), flooding (19th percentile), earthquake (9th percentile). The highest-risk hazard is hurricane at the 62th 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 Dimmit County risk compare to the Texas average?
Dimmit County's composite risk percentile is 36th, compared to the Texas state average of 49th percentile. The state's overall risk rating is Relatively Low. This means Dimmit County faces lower natural disaster risk than the typical county in Texas.
Is Dimmit County at risk for hurricane?
Yes, Dimmit County's hurricane risk is at the 62th percentile nationally. This is above the national median. For flooding specifically, Dimmit County is at the 19th 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.
Is Dimmit County a safe place to live?
Dimmit County's composite risk score of 36th percentile is below the Texas state average of 49th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is hurricane at the 62th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.

Counties with Similar Risk

Young County

Texas

+0.5

Very Low

36th percentile

Madison County

Texas

-1.0

Very Low

35th percentile

Ochiltree County

Texas

-1.0

Very Low

35th 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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