Hurricane Risk in South Carolina

All South Carolina counties ranked by FEMA National Risk Index hurricane score

Hurricane risk — tropical cyclones bringing extreme wind, rain, and storm surge — is rated for 46 of 46 South Carolina counties in FEMA's National Risk Index. Charleston County carries the state's highest hurricane score at 99.6, with $281M in expected annual hurricane losses.

15 South Carolina counties are rated High or Very High for hurricane, and expected annual losses from hurricane total roughly $1.19B statewide. The full ranking below links to each county's complete 18-hazard risk profile.

County Rankings — Hurricane

#CountyHurricane ScoreRatingAnn. Freq.Ann. Loss
1 Charleston County
99.6
Very High 0.34 / yr $281M
2 Horry County
99.6
Very High 0.30 / yr $200M
3 Beaufort County
99.5
Very High 0.34 / yr $201M
4 Berkeley County
98.3
Very High 0.32 / yr $116M
5 Georgetown County
98.3
Very High 0.33 / yr $64M
6 Dorchester County
97.9
High 0.31 / yr $84M
7 Colleton County
96.4
High 0.30 / yr $20M
8 Dillon County
96.3
High 0.25 / yr $20M
9 Jasper County
96.2
High 0.33 / yr $22M
10 Florence County
96.0
High 0.26 / yr $23M
11 Orangeburg County
95.3
High 0.25 / yr $15M
12 Williamsburg County
95.2
High 0.30 / yr $15M
13 Marion County
94.8
High 0.27 / yr $13M
14 Richland County
94.4
High 0.19 / yr $19M
15 Clarendon County
94.2
High 0.29 / yr $11M
16 Hampton County
93.0
Medium 0.26 / yr $8M
17 Lexington County
92.1
Medium 0.17 / yr $13M
18 Sumter County
91.9
Medium 0.24 / yr $10M
19 Chesterfield County
91.0
Medium 0.19 / yr $6M
20 Aiken County
90.1
Medium 0.14 / yr $7M
21 Bamberg County
89.1
Medium 0.23 / yr $4M
22 Marlboro County
88.2
Medium 0.23 / yr $3M
23 Darlington County
87.9
Medium 0.22 / yr $4M
24 Allendale County
87.5
Medium 0.22 / yr $3M
25 Kershaw County
86.1
Medium 0.19 / yr $4M
26 Barnwell County
85.3
Medium 0.18 / yr $2M
27 Lee County
85.2
Medium 0.25 / yr $3M
28 Greenville County
83.0
Medium 0.04 / yr $3M
29 Spartanburg County
81.2
Low 0.05 / yr $2M
30 Calhoun County
81.0
Low 0.22 / yr $2M
31 Newberry County
80.2
Low 0.11 / yr $2M
32 Anderson County
78.0
Low 0.06 / yr $1M
33 Laurens County
76.8
Low 0.07 / yr $954K
34 Saluda County
75.7
Low 0.08 / yr $726K
35 Greenwood County
75.6
Low 0.07 / yr $924K
36 York County
75.5
Low 0.08 / yr $1M
37 Fairfield County
75.3
Low 0.14 / yr $684K
38 Lancaster County
75.0
Low 0.16 / yr $948K
39 Oconee County
72.8
Low 0.04 / yr $601K
40 Union County
71.1
Low 0.07 / yr $415K
41 Cherokee County
71.0
Low 0.06 / yr $537K
42 Pickens County
70.7
Low 0.04 / yr $615K
43 Edgefield County
69.8
Low 0.08 / yr $504K
44 Abbeville County
64.3
Low 0.06 / yr $233K
45 Chester County
63.9
Low 0.10 / yr $249K
46 McCormick County
62.3
Low 0.06 / yr $158K

46 South Carolina counties with measurable hurricane risk. See the national hurricane ranking or all South Carolina counties by overall risk.

Frequently Asked Questions

Which South Carolina county has the highest hurricane risk?

Charleston County has the highest FEMA hurricane risk score in South Carolina at 99.6 (Very High), with $281M in expected annual losses and about 0.34 events per year.

How many South Carolina counties face significant hurricane risk?

46 South Carolina counties record measurable hurricane risk in FEMA's National Risk Index; 15 of them are rated High or Very High.

Other Hazards in South Carolina