Johnson, GA
Johnson County in Georgia has 9 FEMA disaster declarations on record covering 1990–2024, most recently Hurricane Helene on Sep 30, 2024 (DR-4830). Its flood risk grade is A (Low risk), ranking #1148 of 3,277 U.S. counties, with 1 NFIP flood insurance claims totaling $36,634 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Johnson County
The 9 most recent federally declared disasters affecting Johnson County, GA (1990–2024). Total declarations on record: 9.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Sep 30, 2024 | Hurricane | Hurricane Helene | DR-4830 |
| Oct 14, 2018 | Hurricane | Hurricane Michael | DR-4400 |
| Oct 10, 2018 | Hurricane | Hurricane Michael | DR-3406 |
| Sep 15, 2017 | Hurricane | Hurricane Irma | DR-4338 |
| Sep 8, 2017 | Hurricane | Hurricane Irma | DR-3387 |
| Sep 5, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3218 |
| Sep 24, 2004 | Hurricane | Tropical Storm Frances | DR-1560 |
| Mar 15, 1991 | Flood | Severe Storms & Flooding | DR-897 |
| Oct 19, 1990 | Flood | Severe Storms & Flooding | DR-880 |
Score Breakdown
The composite score of 12 is calculated from four weighted factors. See our methodology for details.
Other Counties in Georgia
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Banks | A | 12 | 0 | 8 |
| Habersham | A | 12 | 3 | 8 |
| Lumpkin | A | 12 | 1 | 8 |
| Rabun | A | 12 | 1 | 9 |
| Stephens | A | 12 | 1 | 8 |
| Berrien | A | 12 | 1 | 9 |
More Counties in Georgia
Frequently Asked Questions
How many FEMA disaster declarations does Johnson County, GA have?
Johnson County, GA has 9 federal disaster declarations on FEMA record (1990–2024). The 5 most recent are: Hurricane Helene (declared Sep 30, 2024, DR-4830); Hurricane Michael (declared Oct 14, 2018, DR-4400); 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 Johnson County, GA?
Johnson County is graded A (composite score 12/100, low risk). It ranks #1148 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 Johnson County?
1 NFIP flood insurance claims have been filed in Johnson County, GA, totaling $36,634 in payouts. The average claim is $36,634. Source: FEMA FimaNfipClaims v2 dataset.
Has Johnson County, GA had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Johnson County was Hurricane Helene on Sep 30, 2024 (DR-4830). The county has 9 declared disasters in the OpenFEMA record covering 1990–2024.
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.
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.