riskbycounty
FEMA National Risk Index

Delta County Disaster Risk

Delta County, Texas

FEMA Risk Rating

Very Low

National Percentile

9th

of 3,144 counties

State Rank

#219

of 254 (1 = highest risk)

Flood Risk

6th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 6% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 40% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 49% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 24% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 41% of US counties

Risk Advisory: Delta County

Risk Verdict

Delta County has a very low overall disaster risk profile, scoring in the 9th 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

Tornado risk is the dominant hazard for Delta County, scoring in the 49th percentile nationally. It is followed by hurricane risk at the 41th percentile. Additional hazards include wildfire (40th), earthquake (24th), flood (6th).

Preparedness Context

With tornado risk as the top concern, Delta County residents should identify a safe room or interior space on the lowest floor, have a NOAA weather radio, and practice tornado drills with your household. Secondary risks such as hurricane 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

Delta County is notably safer than the average county in Texas. Its composite risk score is 40.1 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 Delta County, TX?
Delta County has a FEMA National Risk Index rating of Very Low, placing it in the 9th 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 Delta County?
Delta County is evaluated for five major natural hazard types: tornado (49th percentile), hurricane (41th percentile), wildfire (40th percentile), earthquake (24th percentile), flooding (6th percentile). The highest-risk hazard is tornado at the 49th 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 Delta County risk compare to the Texas average?
Delta County's composite risk percentile is 9th, compared to the Texas state average of 49th percentile. The state's overall risk rating is Relatively Low. This means Delta County faces lower natural disaster risk than the typical county in Texas.
Is Delta County at risk for tornado?
Yes, Delta County's tornado risk is at the 49th percentile nationally. This is below the national median, indicating relatively lower exposure. For flooding specifically, Delta County is at the 6th 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 Delta County a safe place to live?
Delta County's composite risk score of 9th 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 tornado at the 49th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.

Counties with Similar Risk

Andrews County

Texas

+0.1

Very Low

9th percentile

Briscoe County

Texas

-0.2

Very Low

9th percentile

Hardeman County

Texas

-0.3

Very Low

9th 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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