Chatham, GA
Chatham County in Georgia has 9 FEMA disaster declarations on record covering 1999–2024, most recently Hurricane Helene on Sep 30, 2024 (DR-4830). Its flood risk grade is A (Low risk), ranking #2975 of 3,277 U.S. counties, with 362 NFIP flood insurance claims totaling $8,265,137 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Chatham County
The 9 most recent federally declared disasters affecting Chatham County, GA (1999–2024). Total declarations on record: 9.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Sep 30, 2024 | Hurricane | Hurricane Helene | DR-4830 |
| Sep 1, 2019 | Hurricane | Hurricane Dorian | DR-3422 |
| Oct 10, 2018 | Hurricane | Hurricane Michael | DR-3406 |
| Sep 15, 2017 | Hurricane | Hurricane Irma | DR-4338 |
| Sep 8, 2017 | Hurricane | Hurricane Irma | DR-3387 |
| Oct 8, 2016 | Hurricane | Hurricane Matthew | DR-4284 |
| Oct 6, 2016 | Hurricane | Hurricane Matthew | DR-3379 |
| Sep 5, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3218 |
| Sep 14, 1999 | Hurricane | Hurricane Floyd Emergency Declarations | DR-3144 |
Score Breakdown
The composite score of 8 is calculated from four weighted factors. See our methodology for details.
Other Counties in Georgia
More Counties in Georgia
Frequently Asked Questions
How many FEMA disaster declarations does Chatham County, GA have?
Chatham County, GA has 9 federal disaster declarations on FEMA record (1999–2024). The 5 most recent are: Hurricane Helene (declared Sep 30, 2024, DR-4830); Hurricane Dorian (declared Sep 1, 2019, DR-3422); Hurricane Michael (declared Oct 10, 2018, DR-3406); Hurricane Irma (declared Sep 15, 2017, DR-4338); Hurricane Irma (declared Sep 8, 2017, DR-3387). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Chatham County, GA?
Chatham County is graded A (composite score 8/100, low risk). It ranks #2975 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 Chatham County?
362 NFIP flood insurance claims have been filed in Chatham County, GA, totaling $8,265,137 in payouts. The average claim is $22,832. Source: FEMA FimaNfipClaims v2 dataset.
Has Chatham County, GA had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Chatham County was Hurricane Helene on Sep 30, 2024 (DR-4830). The county has 9 declared disasters in the OpenFEMA record covering 1999–2024.
For this entity, the underlying data on this page comes from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
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.