Coastal Flood Risk in Georgia
All Georgia counties ranked by FEMA National Risk Index coastal flood score
Coastal Flood risk — seawater inundation from storm surge, high tides, and rising sea levels — is rated for 11 of 159 Georgia counties in FEMA's National Risk Index. Chatham County carries the state's highest coastal flood score at 96.0, with $13M in expected annual coastal flood losses.
2 Georgia counties are rated High or Very High for coastal flood, and expected annual losses from coastal flood total roughly $21M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Coastal Flood
| # | County | Coastal Flood Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Chatham County | Very High | 3.67 / yr | $13M | |
| 2 | Glynn County | High | 3.65 / yr | $4M | |
| 3 | Camden County | Medium | 3.57 / yr | $1M | |
| 4 | McIntosh County | Medium | 3.65 / yr | $722K | |
| 5 | Bryan County | Medium | 3.65 / yr | $897K | |
| 6 | Liberty County | Low | 3.65 / yr | $204K | |
| 7 | Effingham County | Very Low | 0.20 / yr | $2K | |
| 8 | Brantley County | Very Low | 0.01 / yr | $316 | |
| 9 | Long County | Very Low | 0.01 / yr | $368 | |
| 10 | Wayne County | Very Low | 0.01 / yr | $145 | |
| 11 | Charlton County | Very Low | 0.01 / yr | $73 |
11 Georgia counties with measurable coastal flood risk. See the national coastal flood ranking or all Georgia counties by overall risk.
Frequently Asked Questions
Which Georgia county has the highest coastal flood risk?
Chatham County has the highest FEMA coastal flood risk score in Georgia at 96.0 (Very High), with $13M in expected annual losses and about 3.67 events per year.
How many Georgia counties face significant coastal flood risk?
11 Georgia counties record measurable coastal flood risk in FEMA's National Risk Index; 2 of them are rated High or Very High.