Rockdale County, GA
FEMA National Risk Index scores, disaster declarations & hazard data
Rockdale County has experienced 16 federally declared disasters since 1973, most recently Severe Winter Storm in 2026. Its overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Rockdale County's highest-rated hazards are ice storm, tornado, and hail, with its top risk rated "Relatively Moderate" by FEMA's National Risk Index. Community vulnerability is elevated (78th 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. Rockdale County has been designated in 16 declarations since 1973, covering 9 disaster types including hurricane (4), severe storm (3), biological (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 |
| 2009 | Severe Storm | Severe Storms And Flooding |
| 2005 | Hurricane | Hurricane Katrina Evacuation |
| 2000 | Severe Storm | Severe Winter Storm |
Showing the 10 most recent of 16 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 | 35.9 | 0 | 0 | — |
| Inland Flooding | Relatively Low | 63.4 | 2 | 0 | — |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Relatively Low | 73.6 | — | — | — |
| Heat Wave | Relatively Low | 56.6 | 0 | 0 | — |
| Tornado | Relatively Moderate | 77.1 | 1 | 0 | — |
| Hurricane | Very Low | 53.9 | 0 | 0 | — |
| Hail | Relatively Moderate | 74.3 | 0 | 0 | — |
| Strong Wind | Relatively Moderate | 70.2 | 0 | 0 | — |
| Winter Weather | Very Low | 15 | 0 | 0 | — |
| Ice Storm | Relatively Moderate | 78.6 | — | — | — |
| Cold Wave | Relatively Low | 54 | — | — | — |
| Lightning | Relatively Moderate | 72.8 | 0 | 0 | — |
| Drought | No Rating | 0 | 0 | 0 | — |
| Landslide | Very Low | 24.8 | 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
Rockdale County ranks in the 78th 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 | 78th | High |
| Socioeconomic status | 85th | High |
| Household characteristics | 78th | High |
| Racial & ethnic minority status | 97th | High |
| Housing type & transportation | 30th | Low |
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 | 45th | Relatively Moderate |
| Risk to homes | 41st | Relatively Moderate |
| Buildings in direct exposure zone | 68.8% | — |
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 Rockdale County?
According to the FEMA National Risk Index, the highest-risk hazards in Rockdale County, Georgia are ice storm, tornado, and hail. The county's overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Has Rockdale County received federal disaster declarations?
Yes. Rockdale County has received 16 federal disaster declarations since 1973, including declarations in 2026. The most common disaster type on record is hurricane (4 declarations).
Has Rockdale County had any FEMA disaster declarations in 2024, 2025, or 2026?
Yes. Recent federal disaster declarations for Rockdale County include Severe Winter Storm (2026), Hurricane Helene (2024). See the declarations table above for the full history since 1973.
How does Rockdale County's natural hazard risk compare to nearby counties?
Among neighboring counties, Gwinnett County, GA has the highest overall natural hazard risk (Relatively High) and Newton County, GA has the lowest (Relatively Low). Rockdale County is rated Relatively Low overall.
How is Rockdale County's composite disaster risk index calculated?
Rockdale 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. Rockdale County's composite score of 56 means its overall natural hazard risk is higher than 56% of US counties.