riskbycounty
FEMA National Risk Index

DeWitt County Disaster Risk

DeWitt County, Texas

FEMA Risk Rating

Relatively Moderate

National Percentile

84th

of 3,144 counties

State Rank

#39

of 254 (1 = highest risk)

Flood Risk

89th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 89% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 68% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 71% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 21% of US counties

Hurricane

Tropical cyclone and hurricane risk

Moderate

Higher than 90% of US counties

Risk Advisory: DeWitt County

Risk Verdict

DeWitt County has a relatively moderate overall disaster risk profile, scoring in the 84th percentile nationally. While not in the highest tier, this county faces meaningful hazard exposure. Residents are encouraged to understand their specific risks and maintain emergency supplies.

Hazard Breakdown

Hurricane risk is the dominant hazard for DeWitt County, scoring in the 90th percentile nationally. It is followed by flood risk at the 89th percentile. Additional hazards include tornado (71th), wildfire (68th), earthquake (21th).

Preparedness Context

With hurricane risk as the top concern, DeWitt 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 flood 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

DeWitt County is significantly riskier than the average county in Texas. Its composite risk score is 34.9 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 DeWitt County, TX?
DeWitt County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 84th 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 DeWitt County?
DeWitt County is evaluated for five major natural hazard types: hurricane (90th percentile), flooding (89th percentile), tornado (71th percentile), wildfire (68th percentile), earthquake (21th percentile). The highest-risk hazard is hurricane at the 90th 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 DeWitt County risk compare to the Texas average?
DeWitt County's composite risk percentile is 84th, compared to the Texas state average of 49th percentile. The state's overall risk rating is Relatively Low. This means DeWitt County faces higher natural disaster risk than the typical county in Texas.
Is DeWitt County at risk for hurricane?
Yes, DeWitt County's hurricane risk is at the 90th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, DeWitt County is at the 89th 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 DeWitt County higher risk than average?
DeWitt County's composite risk score of 84th percentile is above the Texas state average of 49th percentile. This elevated risk is driven by hurricane exposure (90th percentile), along with flooding and tornado and wildfire 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

Taylor County

Texas

-0.1

Relatively Moderate

84th percentile

Smith County

Texas

+0.3

Relatively Moderate

84th percentile

Kleberg County

Texas

+0.5

Relatively Moderate

84th 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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