Darlington County

South Carolina — Natural Disaster Risk Assessment

Low

Composite Risk Score

72.3

National percentile: 72th

Darlington County faces low composite natural disaster risk (NRI Risk Index score 72.3, 72th national percentile), driven primarily by hurricane and earthquake exposure. Expected annual loss across all 18 hazard types is $22M.

Source: FEMA National Risk Index v1.20 · Updated December 2025

Expected Annual Loss $22M Annualized county-level EAL
Social Vulnerability Very High Population sensitivity
Community Resilience High Capacity to recover
Population 63K Latest estimate

Top Hazards

Hurricane
Medium $4M/yr
Earthquake
Low $2M/yr
Tornado
Medium $4M/yr

All 18 Hazard Risks

Hurricane Medium 0.22 / yr $4M
Earthquake Low 0.00 / yr $2M
Tornado Medium 0.32 / yr $4M
Strong Wind Medium 4.54 / yr $998K
Heat Wave Medium 8.05 / yr $1M
Ice Storm Medium 0.58 / yr $203K
Wildfire Low 0.00 / yr $170K
Hail Low 3.57 / yr $419K
Cold Wave Medium 0.47 / yr $2M
Lightning Medium 57.55 / yr $351K
Winter Weather Medium 2.21 / yr $88K
Riverine Flood Low 0.61 / yr $8M
Drought Low 17.74 / yr $141K
Landslide Very Low 0.13 / yr $230
Avalanche Very Low 0.00 / yr $0
Coastal Flood Very Low 0.00 / yr $0
Tsunami Very Low 0.00 / yr $0
Volcanic Activity Very Low 0.00 / yr $0

Frequently Asked Questions

What is the overall natural disaster risk for Darlington County?

Darlington County has a composite FEMA National Risk Index score of 72.3 out of 100, placing it in the Low category and the 72th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.

What are the top natural hazards in Darlington County?

The three highest-rated hazards are Hurricane (Medium, $4M EAL), Earthquake (Low, $2M EAL), Tornado (Medium, $4M EAL). These account for most of the county's expected annual losses.

How does Darlington County compare to other South Carolina counties?

Darlington County ranks #29 of 46 South Carolina counties for overall natural disaster risk, with a low rating.

What does Expected Annual Loss (EAL) mean?

EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. Darlington County's $22M EAL is a statistical average, not a guarantee for any specific year or address.