Clayton County, GA
FEMA National Risk Index scores, disaster declarations & hazard data
Clayton County has experienced 15 federally declared disasters since 1973, most recently Severe Winter Storm in 2026. Its overall natural hazard risk is rated Relatively Moderate — near the middle compared to other US counties.
Clayton County's highest-rated hazards are tornado, hail, and lightning, with its top risk rated "Relatively High" by FEMA's National Risk Index. Community vulnerability is elevated (95th percentile nationally), suggesting residents may face greater difficulty recovering from major disasters.
Past disasters & FEMA designations
A federal disaster declaration officially designates a county for FEMA disaster assistance. Clayton County has been designated in 15 declarations since 1973, covering 9 disaster types including hurricane (5), biological (2), tornado (2).
| Year | Type | Event name |
|---|---|---|
| 2026 | Winter Storm | Severe Winter Storm |
| 2024 | Tropical Storm | Hurricane Helene |
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2017 | Hurricane | Hurricane Irma |
| 2017 | Hurricane | Hurricane Irma |
| 2014 | Severe Ice Storm | Severe Winter Storm |
| 2005 | Hurricane | Hurricane Katrina Evacuation |
| 2004 | Hurricane | Hurricane Ivan |
| 1998 | Severe Storm | Severe Storms And Flooding |
Showing the 10 most recent of 15 total declarations since 1973.
Source: FEMA OpenFEMA Disaster Declarations Summaries. A single disaster can produce more than one record per county. Data current through September 2026.
Risk by hazard type
| Hazard | Risk rating | Risk score | Recorded events | Deaths | Prop. damage |
|---|---|---|---|---|---|
| Wildfire | Very Low | 34.4 | 0 | 0 | — |
| Inland Flooding | Relatively Moderate | 87.8 | 8 | 0 | $140K |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Relatively Low | 84.9 | — | — | — |
| Heat Wave | Relatively Moderate | 83.8 | 0 | 0 | — |
| Tornado | Relatively High | 95.8 | 3 | 0 | $315K |
| Hurricane | Relatively Low | 64.1 | 0 | 0 | — |
| Hail | Relatively Moderate | 93.5 | 4 | 0 | — |
| Strong Wind | Relatively High | 89.4 | 0 | 0 | — |
| Winter Weather | Relatively Low | 30.9 | 0 | 0 | — |
| Ice Storm | Relatively High | 85.4 | — | — | — |
| Cold Wave | Relatively High | 89.7 | — | — | — |
| Lightning | Relatively High | 90 | 0 | 0 | — |
| Drought | No Rating | 0 | 0 | 0 | — |
| Landslide | Very Low | 26.9 | 0 | 0 | — |
| Avalanche | Not Applicable | — | — | — | — |
| Tsunami | Not Applicable | — | — | — | — |
| Volcanic Activity | Not Applicable | — | — | — | — |
Scores are 0–100 percentiles relative to all US counties — higher means more exposed, not that a disaster is likely this year. Event counts: NOAA Storm Events 2016–2026; earthquake counts from USGS ComCat (M3.0+, 1996–2026). See the methodology page for details.
Community vulnerability
Clayton County ranks in the 95th percentile (High) for community vulnerability — a measure of how hard disaster impacts tend to hit residents. Higher vulnerability means more displacement, worse health outcomes, and slower recovery after a disaster.
| SVI theme | Percentile | Vulnerability level |
|---|---|---|
| Overall | 95th | High |
| Socioeconomic status | 98th | High |
| Household characteristics | 82nd | High |
| Racial & ethnic minority status | 100th | High |
| Housing type & transportation | 73rd | Moderate |
Source: CDC/ATSDR Social Vulnerability Index 2022. Percentiles compare counties nationally — higher means more vulnerable relative to other counties. See CDC SVI for full methodology.
Future risk outlook
| Wildfire metric | National percentile | Level |
|---|---|---|
| Burn probability | 47th | Relatively Moderate |
| Risk to homes | 42nd | Relatively Moderate |
| Buildings in direct exposure zone | 41.3% | — |
Wildfire: USDA Forest Service Wildfire Risk to Communities (RDS-2020-0016-2) — modeled values, not annual forecasts. See wildfirerisk.org. Inland flood and heat projections pending data availability; coastal sea-level projections are available for select coastal counties below — see the data page.
Nearby counties
Frequently asked questions
What natural hazards pose the greatest risk in Clayton County?
According to the FEMA National Risk Index, the highest-risk hazards in Clayton County, Georgia are tornado, hail, and lightning. The county's overall natural hazard risk is rated Relatively Moderate — near the middle compared to other US counties.
Has Clayton County received federal disaster declarations?
Yes. Clayton County has received 15 federal disaster declarations since 1973, including declarations in 2026. The most common disaster type on record is hurricane (5 declarations).
Has Clayton County had any FEMA disaster declarations in 2024, 2025, or 2026?
Yes. Recent federal disaster declarations for Clayton County include Severe Winter Storm (2026), Hurricane Helene (2024). See the declarations table above for the full history since 1973.
How does Clayton County's natural hazard risk compare to nearby counties?
Among neighboring counties, Fulton County, GA has the highest overall natural hazard risk (Relatively High) and Spalding County, GA has the lowest (Very Low). Clayton County is rated Relatively Moderate overall.
How is Clayton County's composite disaster risk index calculated?
Clayton County's composite disaster risk index — officially FEMA's National Risk Index (NRI) — scores every US county on a 0–100 percentile scale across 18 natural hazard types, factoring in expected annual loss, social vulnerability, and community resilience. Clayton County's composite score of 87 means its overall natural hazard risk is higher than 87% of US counties.