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

McMullen County Disaster Risk

McMullen County, Texas

FEMA Risk Rating

Very Low

National Percentile

1th

of 3,144 counties

State Rank

#251

of 254 (1 = highest risk)

Flood Risk

2th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 2% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 28% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 8% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 1% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 55% of US counties

Risk Overview

About Natural Disaster Risk in McMullen County, Texas

McMullen enjoys the lowest risk profile

McMullen County's composite risk score of just 0.57 places it in the Very Low category, far below the national baseline of roughly 50. This South Texas county represents one of the safest natural disaster risk zones in the United States.

Texas's safest county for disasters

McMullen's score of 0.57 is dramatically lower than Texas's state average of 49.00, making it by far the lowest-risk county in the state. Residents enjoy substantial protection from most major natural hazard types.

Significantly safer than nearby counties

McMullen's score of 0.57 is orders of magnitude lower than neighboring Medina County (68.70) and Midland County (81.20). The county's isolation and geography create a uniquely protective natural disaster environment in South Texas.

Hurricane risk stands out locally

While McMullen's overall risk is very low, hurricane exposure at 54.57 is its highest single hazard, reflecting its coastal proximity. All other hazard categories—flood, wildfire, tornado—remain well below regional and national norms.

Standard homeowners coverage typically sufficient

McMullen's exceptionally low risk profile means most residents can rely on basic homeowners insurance without specialized add-ons. Consider only hurricane coverage if you're within coastal storm surge zones, but most county residents face minimal year-round exposure.

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

Preparedness Guide

What to Prepare for in McMullen County

Top Hazards by Exposure

  1. #1
    HurricanePrepare
    55th percentile
  2. #2
    WildfirePrepare
    28th percentile
  3. #3
    TornadoPrepare
    8th percentile

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

Risk Advisory: McMullen County

Risk Verdict

Compared to the nation's 3,144 counties, McMullen County ranks at the 1th percentile for natural disaster risk — toward the safer end of the spectrum. The 1th percentile national ranking is one lens; McMullen County residents also benefit from reviewing which specific hazard types drive the county's composite score and preparing accordingly.

Hazard Breakdown

Hurricane risk is McMullen County's dominant natural hazard, ranked at the 55th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 28th percentile nationally. Additional tracked hazards include tornado (8th percentile), flood (2th percentile), earthquake (1th percentile).

Preparedness Context

With hurricane ranked at the 55th percentile nationally, McMullen County sits in a zone where multi-day supply readiness matters: grid outages after landfalling storms can last one to three weeks in heavily affected areas. Wildfire at the 28th percentile nationally is McMullen County's secondary hazard, often intensified by the same weather systems that produce hurricane conditions. Insurance gaps are the most common post-hurricane financial shock: standard homeowners policies typically exclude flood damage and may have a separate wind deductible. McMullen County households benefit from a pre-season insurance review confirming both wind and flood coverage.

Regional Context

At 48.4 points below the Texas state average, McMullen County is among the lower-risk counties in the state for natural disaster exposure.

Is your household prepared for McMullen 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 McMullen County, TX?
McMullen County has a FEMA National Risk Index rating of Very Low, placing it in the 1th 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 McMullen County?
McMullen County is evaluated for five major natural hazard types: hurricane (55th percentile), wildfire (28th percentile), tornado (8th percentile), flooding (2th percentile), earthquake (1th percentile). The highest-risk hazard is hurricane at the 55th 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 McMullen County risk compare to the Texas average?
McMullen County's composite risk percentile is 1th, compared to the Texas state average of 49th percentile. The state's overall risk rating is Relatively Low. This means McMullen County faces lower natural disaster risk than the typical county in Texas.
Is McMullen County at risk for hurricane?
Yes, McMullen County's hurricane risk is at the 55th percentile nationally. This is above the national median. For flooding specifically, McMullen County is at the 2th 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 McMullen County a safe place to live?
McMullen County's composite risk score of 1th 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 55th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.
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.