Irwin County
Georgia — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 14th
Irwin County faces very low composite natural disaster risk (NRI Risk Index score 13.6, 14th national percentile), driven primarily by hurricane and lightning exposure. Expected annual loss across all 18 hazard types is $6M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Hurricane | Low | 0.23 / yr | $1M |
| Lightning | Medium | 67.92 / yr | $495K |
| Drought | Low | 25.12 / yr | $324K |
| Strong Wind | Medium | 1.39 / yr | $598K |
| Cold Wave | Low | 1.79 / yr | $696K |
| Earthquake | Very Low | 0.00 / yr | $118K |
| Tornado | Low | 0.21 / yr | $672K |
| Heat Wave | Very Low | 4.16 / yr | $97K |
| Wildfire | Very Low | 0.00 / yr | $10K |
| Hail | Very Low | 1.80 / yr | $68K |
| Riverine Flood | Very Low | 0.32 / yr | $1M |
| Winter Weather | Very Low | 0.58 / yr | $3K |
| Ice Storm | Very Low | 0.09 / yr | $730 |
| Landslide | Very Low | 0.05 / yr | $1 |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Tsunami | Very Low | 0.00 / yr | $0 |
| Volcanic Activity | Very Low | 0.00 / yr | $0 |
Frequently Asked Questions
What is the overall natural disaster risk for Irwin County?
Irwin County has a composite FEMA National Risk Index score of 13.6 out of 100, placing it in the Very Low category and the 14th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Irwin County?
The three highest-rated hazards are Hurricane (Low, $1M EAL), Lightning (Medium, $495K EAL), Drought (Low, $324K EAL). These account for most of the county's expected annual losses.
How does Irwin County compare to other Georgia counties?
Irwin County ranks #123 of 159 Georgia counties for overall natural disaster risk, with a very low rating.
What does Expected Annual Loss (EAL) mean?
EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. Irwin County's $6M EAL is a statistical average, not a guarantee for any specific year or address.