Natural Disaster Risk in Dimmit County

Natural Hazard Profile: Dimmit County, Texas

Dimmit County is located in the United States in Texas, home to roughly 8,588 residents. The county experiences an exceptionally varied climate from humid subtropical in the east to desert in the west, with overlapping tornado, hurricane, flood, and drought seasons shaping the natural hazards faced by its communities. FEMA assesses risk at this county level, providing the baseline for every city and ZIP code within its boundaries.

FEMA rates Dimmit County's composite natural disaster risk at 4.7 out of 10 — moderate risk. The threat of extreme heat dominates the local risk profile, with the area experiencing heat waves that drive heat-related illness and place significant demand on energy infrastructure. Residents should also account for drought and hurricane risk in their preparedness planning.

Dimmit County's risk score, slightly below the 5.6/10 state average and near the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Dimmit County, the highest-scoring are heat, drought, and hurricane. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

With a moderate risk rating, Dimmit County residents are well-served by maintaining standard preparedness practices — an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for heat is recommended.