Coastal Flood Risk in Oregon
All Oregon 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 10 of 36 Oregon counties in FEMA's National Risk Index. Clatsop County carries the state's highest coastal flood score at 96.4, with $12M in expected annual coastal flood losses.
2 Oregon counties are rated High or Very High for coastal flood, and expected annual losses from coastal flood total roughly $19M 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 | Clatsop County | Very High | 4.44 / yr | $12M | |
| 2 | Coos County | High | 4.75 / yr | $4M | |
| 3 | Lincoln County | Medium | 3.81 / yr | $901K | |
| 4 | Tillamook County | Medium | 3.83 / yr | $766K | |
| 5 | Douglas County | Medium | 5.96 / yr | $490K | |
| 6 | Lane County | Low | 3.65 / yr | $288K | |
| 7 | Columbia County | Low | 2.51 / yr | $159K | |
| 8 | Curry County | Low | 3.63 / yr | $52K | |
| 9 | Multnomah County | Low | 0.29 / yr | $43K | |
| 10 | Clackamas County | Very Low | 0.31 / yr | $200 |
10 Oregon counties with measurable coastal flood risk. See the national coastal flood ranking or all Oregon counties by overall risk.
Frequently Asked Questions
Which Oregon county has the highest coastal flood risk?
Clatsop County has the highest FEMA coastal flood risk score in Oregon at 96.4 (Very High), with $12M in expected annual losses and about 4.44 events per year.
How many Oregon counties face significant coastal flood risk?
10 Oregon counties record measurable coastal flood risk in FEMA's National Risk Index; 2 of them are rated High or Very High.