Back to Johnston snapshotCity comparison page

City vs city

Johnston vs Charleston, SC

Charleston currently scores 19 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

Open city page →

Charleston

59/100

Open city page →

Hazard breakdown

Overall

Johnston: 40/100 · Charleston: 59/100

Charleston is 19 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: 48/100 · Charleston: 12/100

Johnston is 36 points higher.

Hail

Johnston: 34/100 · Charleston: 100/100

Charleston is 66 points higher.

Storm surge

Johnston: 0/100 · Charleston: 99/100

Charleston is 99 points higher.