Natural Disaster Risk in Johnson County

Natural Hazard Profile: Johnson County, Texas

Johnson County is located in the United States in Texas, home to roughly 179,719 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 Johnson County's composite natural disaster risk at 6.8 out of 10 — high risk. The area faces significant tornado risk, positioned where atmospheric conditions regularly generate severe rotating thunderstorms capable of producing violent tornadoes. Residents should also account for wildfire and heat risk in their preparedness planning.

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

With a high natural disaster risk rating, Johnson County residents benefit from taking preparedness seriously. Reviewing insurance coverage for tornado and secondary hazards, registering for emergency alerts, and maintaining a household emergency kit are practical steps that can significantly reduce impact during a major event.