McMullen County, TX

FEMA National Risk Index scores, disaster declarations & hazard data

Population: 600

Very Low Riskier than 1% of US counties
Very Low Relatively Low Relatively Moderate Relatively High Very High

McMullen County has experienced 16 federally declared disasters since 1967, most recently Severe Winter Storm in 2021. Its overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.

McMullen County's highest-rated hazards are hurricane, drought, and wildfire, with its top risk rated "Very Low" by FEMA's National Risk Index. NOAA records 25 storm events in the county over the past decade. Community vulnerability is elevated (81st percentile nationally), suggesting residents may face greater difficulty recovering from major disasters.

Past disasters & FEMA designations

A federal disaster declaration officially designates a county for FEMA disaster assistance. McMullen County has been designated in 16 declarations since 1967, covering 7 disaster types including hurricane (7), severe ice storm (2), biological (2).

2002–2026
Year Type Event name
2021 Severe Ice Storm Severe Winter Storms
2021 Severe Ice Storm Severe Winter Storm
2020 Hurricane Hurricane Hanna
2020 Biological Covid-19 Pandemic
2020 Biological Covid-19
2010 Hurricane Tropical Storm Alex
2008 Fire Wildfires
2006 Fire Extreme Wildfire Threat
2005 Hurricane Hurricane Rita
2005 Hurricane Hurricane Rita

Showing the 10 most recent of 16 total declarations since 1967.

Source: FEMA OpenFEMA Disaster Declarations Summaries. A single disaster can produce more than one record per county. Data current through September 2026.

Risk by hazard type

Hazard Risk rating Risk score Recorded events Deaths Prop. damage
Wildfire Very Low 27.8 0 0
Inland Flooding Very Low 2.2 8 0 $50K
Coastal Flooding Not Applicable 0 0
Earthquake Very Low 1.1 3
Heat Wave Very Low 9.8 10 0
Tornado Very Low 8.5 0 0
Hurricane Very Low 54.6 0 0
Hail Very Low 11.4 8 0 $10K
Strong Wind Very Low 2.5 0 0
Winter Weather Very Low 1.5 0 0
Ice Storm Very Low 12
Cold Wave Very Low 16.3
Lightning Very Low 0.9 0 0
Drought Relatively Low 38.2 0 0
Landslide Very Low 3.4 0 0
Avalanche Not Applicable
Tsunami Not Applicable
Volcanic Activity Not Applicable

Scores are 0–100 percentiles relative to all US counties — higher means more exposed, not that a disaster is likely this year. Event counts: NOAA Storm Events 2016–2026; earthquake counts from USGS ComCat (M3.0+, 1996–2026). See the methodology page for details.

Community vulnerability

McMullen County ranks in the 81st percentile (High) for community vulnerability — a measure of how hard disaster impacts tend to hit residents. Higher vulnerability means more displacement, worse health outcomes, and slower recovery after a disaster.

SVI theme Percentile Vulnerability level
Overall 81st High
Socioeconomic status 69th Moderate
Household characteristics 100th High
Racial & ethnic minority status 92nd High
Housing type & transportation 27th Low

Source: CDC/ATSDR Social Vulnerability Index 2022. Percentiles compare counties nationally — higher means more vulnerable relative to other counties. See CDC SVI for full methodology.

Future risk outlook

Wildfire metric National percentile Level
Burn probability 75th Relatively High
Risk to homes 77th Relatively High
Buildings in direct exposure zone 88.1%

NOAA tracked 25 weather events in this county over 2016–2025: 12 in 2016–20 vs 13 in 2021–25 (+8% — relatively stable).

Wildfire: USDA Forest Service Wildfire Risk to Communities (RDS-2020-0016-2) — modeled values, not annual forecasts. See wildfirerisk.org. Inland flood and heat projections pending data availability; coastal sea-level projections are available for select coastal counties below — see the data page.

Nearby counties

Compare McMullen County with other counties → All Texas counties →

Frequently asked questions

What natural hazards pose the greatest risk in McMullen County?

According to the FEMA National Risk Index, the highest-risk hazards in McMullen County, Texas are hurricane, drought, and wildfire. The county's overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.

Has McMullen County received federal disaster declarations?

Yes. McMullen County has received 16 federal disaster declarations since 1967, including declarations in 2021. The most common disaster type on record is hurricane (7 declarations).

Has McMullen County had any FEMA disaster declarations in 2024, 2025, or 2026?

No federal disaster declarations have been recorded for McMullen County since the start of 2024. Its most recent declaration on record is Severe Winter Storm in 2021.

How does McMullen County's natural hazard risk compare to nearby counties?

Among neighboring counties, Bee County, TX has the highest overall natural hazard risk (Relatively Low) and La Salle County, TX has the lowest (Very Low). McMullen County is rated Very Low overall.

How is McMullen County's composite disaster risk index calculated?

McMullen County's composite disaster risk index — officially FEMA's National Risk Index (NRI) — scores every US county on a 0–100 percentile scale across 18 natural hazard types, factoring in expected annual loss, social vulnerability, and community resilience. McMullen County's composite score of 1 means its overall natural hazard risk is higher than 1% of US counties.

Embed this county

Copy the code below to embed a live risk summary for McMullen County in an article, report, or dashboard.

FIPS: 48311 · JSON API · See national hazard leaderboards to compare McMullen County against top counties nationwide.