Natural Disaster Risk in Berkeley County

Natural Hazard Profile: Berkeley County, South Carolina

Berkeley County is located in the United States in South Carolina, home to roughly 229,449 residents. The county experiences hot, humid summers and mild winters, with an active hurricane season with direct storm threat to the coastline 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 Berkeley County's composite natural disaster risk at 7.5 out of 10 — high risk. Tropical cyclones are the dominant hazard, with the area facing threats from both direct landfalling hurricanes and the outer rain bands and storm surge of systems making landfall nearby. Residents should also account for earthquake and coastal flood risk in their preparedness planning.

Berkeley County's risk score, slightly above the 6.6/10 state average and well above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Berkeley County, the highest-scoring are hurricane, earthquake, and coastal flood. 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, Berkeley County residents benefit from taking preparedness seriously. Reviewing insurance coverage for hurricane 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.