Sullivan's Island vs Rock Hill, SC

Sullivan's Island currently scores 14 points higher overall than Rock Hill, with the largest gap in storm surge.

Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.

Sullivan's Island

56/100

Rock Hill

42/100

Hazard breakdown

Overall

Sullivan's Island: 56/100 · Rock Hill: 42/100

Sullivan's Island is 14 points higher.

Flood

Sullivan's Island: 69/100 · Rock Hill: 33/100

Sullivan's Island is 36 points higher.

Wind

Sullivan's Island: 53/100 · Rock Hill: 19/100

Sullivan's Island is 34 points higher.

Lightning

Sullivan's Island: 43/100 · Rock Hill: 46/100

Rock Hill is 3 points higher.

Tornado

Sullivan's Island: 77/100 · Rock Hill: 19/100

Sullivan's Island is 58 points higher.

Hail

Sullivan's Island: 74/100 · Rock Hill: 100/100

Rock Hill is 26 points higher.

Storm surge

Sullivan's Island: 98/100 · Rock Hill: 0/100

Sullivan's Island is 98 points higher.

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