STATE RISK ROLL-UP

South Carolina

Across 46 counties, FEMA rates 4 elevated or higher for overall natural-hazard risk. Here's what drives it — and where it concentrates.

How the counties rate

Bajo26

Moderado16

Elevado4

Alto0

Dominant hazards

The hazards most often rated elevated or higher across South Carolina's counties:

Tormenta de hielo — 29 counties
Rayo — 20 counties
Huracán — 15 counties
Vientos fuertes — 14 counties

Highest-risk counties

County	FEMA composite	Score
Charleston County	Relativamente alto	99
Horry County	Relativamente alto	98
Beaufort County	Relativamente alto	97
Berkeley County	Relativamente alto	95
Dorchester County	Relativamente moderado	94
Greenville County	Relativamente moderado	94

State figures are a roll-up of FEMA National Risk Index county data (counts and rankings), not an official FEMA state rating. Risk is an estimate from a public model, not a guarantee — verify your specific insurance needs with a licensed professional. See the methodology.

Check a county scorecard →Build a prep checklist →← All states

FEMA National Risk Index · as of 2026-07-10