Coastal Flood Risk in Indiana
All Indiana 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 3 of 92 Indiana counties in FEMA's National Risk Index. Lake County carries the state's highest coastal flood score at 41.2, with $20K in expected annual coastal flood losses.
No Indiana county reaches the High band for coastal flood, and expected annual losses from coastal flood total roughly $28K 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 | Lake County | Very Low | 0.01 / yr | $20K | |
| 2 | LaPorte County | Very Low | 0.01 / yr | $4K | |
| 3 | Porter County | Very Low | 0.01 / yr | $4K |
3 Indiana counties with measurable coastal flood risk. See the national coastal flood ranking or all Indiana counties by overall risk.
Frequently Asked Questions
Which Indiana county has the highest coastal flood risk?
Lake County has the highest FEMA coastal flood risk score in Indiana at 41.2 (Very Low), with $20K in expected annual losses and about 0.01 events per year.
How many Indiana counties face significant coastal flood risk?
3 Indiana counties record measurable coastal flood risk in FEMA's National Risk Index; 0 of them are rated High or Very High.