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

Faible26

Modéré16

Assez élevé4

Élevé0

Dominant hazards

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

Tempête de verglas — 29 counties
Foudre — 20 counties
Ouragan — 15 counties
Vents forts — 14 counties

Highest-risk counties

County	FEMA composite	Score
Charleston County	Relativement élevé	99
Horry County	Relativement élevé	98
Beaufort County	Relativement élevé	97
Berkeley County	Relativement élevé	95
Dorchester County	Relativement modéré	94
Greenville County	Relativement modéré	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.

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