Starr County Disaster Risk

Starr County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 85th 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.

Starr County is evaluated for five major natural hazard types: wildfire (85th percentile), hurricane (79th percentile), flooding (72th percentile), tornado (38th percentile), earthquake (30th percentile). The highest-risk hazard is wildfire at the 85th 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.

Starr County's composite risk percentile is 85th, compared to the Texas state average of 49th percentile. The state's overall risk rating is Relatively Low. This means Starr County faces higher natural disaster risk than the typical county in Texas.

Yes, Starr County's wildfire risk is at the 85th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Starr County is at the 72th percentile.

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.

Starr County's composite risk score of 85th percentile is above the Texas state average of 49th percentile. This elevated risk is driven by wildfire exposure (85th percentile), along with hurricane and flooding risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.