Horry, SC
Horry County in South Carolina has 20 FEMA disaster declarations on record covering 1989–2023, most recently Hurricane Idalia on Aug 31, 2023 (DR-3597). Its flood risk grade is A (Low risk), ranking #463 of 3,277 U.S. counties, with 769 NFIP flood insurance claims totaling $32,263,498 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Horry County
The 20 most recent federally declared disasters affecting Horry County, SC (1989–2023). Total declarations on record: 20.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Aug 31, 2023 | Hurricane | Hurricane Idalia | DR-3597 |
| Nov 21, 2022 | Hurricane | Hurricane Ian | DR-4677 |
| Sep 29, 2022 | Hurricane | Hurricane Ian | DR-3585 |
| Sep 30, 2019 | Hurricane | Hurricane Dorian | DR-4464 |
| Sep 1, 2019 | Hurricane | Hurricane Dorian | DR-3421 |
| Sep 16, 2018 | Hurricane | Hurricane Florence | DR-4394 |
| Sep 10, 2018 | Hurricane | Hurricane Florence | DR-3400 |
| Oct 16, 2017 | Hurricane | Hurricane Irma | DR-4346 |
| Sep 7, 2017 | Hurricane | Hurricane Irma | DR-3386 |
| Oct 11, 2016 | Hurricane | Hurricane Matthew | DR-4286 |
| Oct 6, 2016 | Hurricane | Hurricane Matthew | DR-3378 |
| Oct 5, 2015 | Flood | Severe Storms and Flooding | DR-4241 |
| Sep 10, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3233 |
| Oct 7, 2004 | Hurricane | Tropical Storm Frances | DR-1566 |
| Sep 1, 2004 | Hurricane | Hurricane Charley | DR-1543 |
| Sep 21, 1999 | Hurricane | Hurricane Floyd Major Disaster Declarations | DR-1299 |
| Sep 15, 1999 | Hurricane | Hurricane Floyd Emergency Declarations | DR-3145 |
| Sep 4, 1998 | Hurricane | Hurricane Bonnie | DR-1243 |
| Sep 30, 1996 | Flood | Severe Winds and Flooding Assoc With Hurricane Fran | DR-1140 |
| Sep 22, 1989 | Hurricane | Hurricane Hugo | DR-843 |
Score Breakdown
The composite score of 16 is calculated from four weighted factors. See our methodology for details.
Other Counties in South Carolina
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Allendale | A | 16 | 0 | 15 |
| Bamberg | A | 16 | 2 | 15 |
| Chesterfield | A | 16 | 0 | 16 |
| Lancaster | A | 16 | 2 | 15 |
| Lee | A | 16 | 2 | 16 |
| Marlboro | A | 16 | 4 | 16 |
More Counties in South Carolina
Frequently Asked Questions
How many FEMA disaster declarations does Horry County, SC have?
Horry County, SC has 20 federal disaster declarations on FEMA record (1989–2023). The 5 most recent are: Hurricane Idalia (declared Aug 31, 2023, DR-3597); Hurricane Ian (declared Nov 21, 2022, DR-4677); Hurricane Ian (declared Sep 29, 2022, DR-3585); Hurricane Dorian (declared Sep 30, 2019, DR-4464); Hurricane Dorian (declared Sep 1, 2019, DR-3421). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Horry County, SC?
Horry County is graded A (composite score 16/100, low risk). It ranks #463 of 3,277 U.S. counties for flood risk in our scoring model. The grade combines NFIP claims density (40%), disaster frequency (25%), claim severity (20%), and year-over-year trend (15%).
How many NFIP flood insurance claims have been filed in Horry County?
769 NFIP flood insurance claims have been filed in Horry County, SC, totaling $32,263,498 in payouts. The average claim is $41,955. Source: FEMA FimaNfipClaims v2 dataset.
Has Horry County, SC had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Horry County was Hurricane Idalia on Aug 31, 2023 (DR-3597). The county has 20 declared disasters in the OpenFEMA record covering 1989–2023.
The this entity record above pulls directly from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims. What follows is the per-entity context — how this entity sits in the broader U.S. flood risk, NFIP claims, and disaster declarations distribution and which underlying factors drive the headline numbers.
Every number on this page links back to FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. ZIPs, counties, and states. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: FEMA OpenFEMA datasets, 2026.