McMullen County
Texas — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 1th
McMullen County faces very low composite natural disaster risk (NRI Risk Index score 0.6, 1th national percentile), driven primarily by hurricane and drought exposure. Expected annual loss across all 18 hazard types is $875K.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Hurricane | Very Low | 0.07 / yr | $116K |
| Drought | Low | 79.81 / yr | $56K |
| Wildfire | Very Low | 0.00 / yr | $12K |
| Cold Wave | Very Low | 1.89 / yr | $168K |
| Ice Storm | Very Low | 0.16 / yr | $6K |
| Hail | Very Low | 1.38 / yr | $36K |
| Heat Wave | Very Low | 8.63 / yr | $17K |
| Tornado | Very Low | 0.32 / yr | $49K |
| Landslide | Very Low | 0.10 / yr | $4 |
| Strong Wind | Very Low | 0.64 / yr | $12K |
| Riverine Flood | Very Low | 0.89 / yr | $396K |
| Winter Weather | Very Low | 0.84 / yr | $424 |
| Earthquake | Very Low | 0.00 / yr | $1K |
| Lightning | Very Low | 41.24 / yr | $4K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Tsunami | Very Low | 0.00 / yr | $0 |
| Volcanic Activity | Very Low | 0.00 / yr | $0 |
Frequently Asked Questions
What is the overall natural disaster risk for McMullen County?
McMullen County has a composite FEMA National Risk Index score of 0.6 out of 100, placing it in the Very Low category and the 1th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in McMullen County?
The three highest-rated hazards are Hurricane (Very Low, $116K EAL), Drought (Low, $56K EAL), Wildfire (Very Low, $12K EAL). These account for most of the county's expected annual losses.
How does McMullen County compare to other Texas counties?
McMullen County ranks #251 of 254 Texas counties for overall natural disaster risk, with a very low rating.
What does Expected Annual Loss (EAL) mean?
EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. McMullen County's $875K EAL is a statistical average, not a guarantee for any specific year or address.