Chester, SC
Chester County in South Carolina has 12 FEMA disaster declarations on record covering 1989–2024, most recently Hurricane Helene on Sep 29, 2024 (DR-4829). Its flood risk grade is A (Low risk), ranking #656 of 3,277 U.S. counties, with 0 NFIP flood insurance claims totaling $0 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Chester County
The 12 most recent federally declared disasters affecting Chester County, SC (1989–2024). Total declarations on record: 12.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Sep 29, 2024 | Hurricane | Hurricane Helene | DR-4829 |
| 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 1, 2019 | Hurricane | Hurricane Dorian | DR-3421 |
| 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 6, 2016 | Hurricane | Hurricane Matthew | DR-3378 |
| Sep 10, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3233 |
| Oct 7, 2004 | Hurricane | Tropical Storm Frances | DR-1566 |
| Sep 22, 1989 | Hurricane | Hurricane Hugo | DR-843 |
Score Breakdown
The composite score of 14 is calculated from four weighted factors. See our methodology for details.
Other Counties in South Carolina
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Aiken | A | 14 | 4 | 12 |
| Cherokee | A | 14 | 0 | 12 |
| Newberry | A | 14 | 2 | 12 |
| York | A | 14 | 5 | 12 |
| Charleston | A | 14 | 933 | 17 |
| Barnwell | A | 15 | 0 | 13 |
More Counties in South Carolina
Frequently Asked Questions
How many FEMA disaster declarations does Chester County, SC have?
Chester County, SC has 12 federal disaster declarations on FEMA record (1989–2024). The 5 most recent are: Hurricane Helene (declared Sep 29, 2024, DR-4829); 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 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 Chester County, SC?
Chester County is graded A (composite score 14/100, low risk). It ranks #656 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 Chester County?
0 NFIP flood insurance claims have been filed in Chester County, SC, totaling $0 in payouts. The average claim is $0. Source: FEMA FimaNfipClaims v2 dataset.
Has Chester County, SC had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Chester County was Hurricane Helene on Sep 29, 2024 (DR-4829). The county has 12 declared disasters in the OpenFEMA record covering 1989–2024.
this entity is one of the data points covered by this site’s U.S. flood risk, NFIP claims, and disaster declarations dataset. The detail above comes directly from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims; the context that follows situates the headline numbers against the broader distribution across U.S. ZIPs, counties, and states.
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.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. ZIPs, counties, and states with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: FEMA OpenFEMA datasets, 2026.