Johnston vs Charleston, SC

Charleston currently scores 20 points higher overall than Johnston, with the largest gap in storm surge.

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

Johnston

40/100

Charleston

60/100

Hazard breakdown

Overall

Johnston: 40/100 · Charleston: 60/100

Charleston is 20 points higher.

Flood

Johnston: 25/100 · Charleston: 78/100

Charleston is 53 points higher.

Wind

Johnston: 20/100 · Charleston: 51/100

Charleston is 31 points higher.

Lightning

Johnston: 62/100 · Charleston: 49/100

Johnston is 13 points higher.

Tornado

Johnston: 46/100 · Charleston: 12/100

Johnston is 34 points higher.

Hail

Johnston: 35/100 · Charleston: 100/100

Charleston is 65 points higher.

Storm surge

Johnston: 0/100 · Charleston: 99/100

Charleston is 99 points higher.

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