Drought Risk in Oregon
All Oregon counties ranked by FEMA National Risk Index drought score
Drought risk — extended dry periods that stress water supplies and agriculture — is rated for 35 of 36 Oregon counties in FEMA's National Risk Index. Umatilla County carries the state's highest drought score at 82.8, with $913K in expected annual drought losses.
No Oregon county reaches the High band for drought, and expected annual losses from drought total roughly $965K statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Drought
| # | County | Drought Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Umatilla County | Medium | 24.39 / yr | $913K | |
| 2 | Klamath County | Very Low | 91.93 / yr | $10K | |
| 3 | Malheur County | Very Low | 93.24 / yr | $9K | |
| 4 | Morrow County | Very Low | 42.08 / yr | $6K | |
| 5 | Lake County | Very Low | 124.03 / yr | $4K | |
| 6 | Harney County | Very Low | 128.69 / yr | $3K | |
| 7 | Jefferson County | Very Low | 60.53 / yr | $3K | |
| 8 | Wasco County | Very Low | 55.47 / yr | $2K | |
| 9 | Jackson County | Very Low | 51.60 / yr | $2K | |
| 10 | Linn County | Very Low | 17.00 / yr | $2K | |
| 11 | Baker County | Very Low | 55.93 / yr | $1K | |
| 12 | Lane County | Very Low | 17.89 / yr | $1K | |
| 13 | Marion County | Very Low | 5.77 / yr | $1K | |
| 14 | Douglas County | Very Low | 36.46 / yr | $906 | |
| 15 | Sherman County | Very Low | 51.54 / yr | $1K | |
| 16 | Union County | Very Low | 22.43 / yr | $909 | |
| 17 | Gilliam County | Very Low | 47.94 / yr | $711 | |
| 18 | Crook County | Very Low | 88.26 / yr | $776 | |
| 19 | Deschutes County | Very Low | 68.75 / yr | $820 | |
| 20 | Hood River County | Very Low | 11.89 / yr | $932 | |
| 21 | Wallowa County | Very Low | 28.97 / yr | $392 | |
| 22 | Curry County | Very Low | 20.06 / yr | $211 | |
| 23 | Clackamas County | Very Low | 6.80 / yr | $378 | |
| 24 | Coos County | Very Low | 24.56 / yr | $236 | |
| 25 | Josephine County | Very Low | 25.48 / yr | $206 | |
| 26 | Benton County | Very Low | 4.85 / yr | $287 | |
| 27 | Wheeler County | Very Low | 59.03 / yr | $179 | |
| 28 | Grant County | Very Low | 73.32 / yr | $146 | |
| 29 | Lincoln County | Very Low | 5.14 / yr | $5 | |
| 30 | Multnomah County | Very Low | 1.87 / yr | $4 | |
| 31 | Yamhill County | Very Low | 0.12 / yr | $3 | |
| 32 | Polk County | Very Low | 0.32 / yr | $2 | |
| 33 | Clatsop County | Very Low | 0.44 / yr | $0 | |
| 34 | Tillamook County | Very Low | 1.03 / yr | $1 | |
| 35 | Washington County | Very Low | 0.19 / yr | $0 |
35 Oregon counties with measurable drought risk. See the national drought ranking or all Oregon counties by overall risk.
Frequently Asked Questions
Which Oregon county has the highest drought risk?
Umatilla County has the highest FEMA drought risk score in Oregon at 82.8 (Medium), with $913K in expected annual losses and about 24.39 events per year.
How many Oregon counties face significant drought risk?
35 Oregon counties record measurable drought risk in FEMA's National Risk Index; 0 of them are rated High or Very High.