Flood Risk by County in Oregon

Oregon: 36 counties covered

Across 36 Oregon counties with a FEMA flood score, the average national percentile is 64.2, but that average hides real spread between counties, which is why each one gets its own page rather than a single statewide number.

• Multnomah County, 95.5th percentile, Relatively High
• Washington County, 93.9th percentile, Relatively High
• Clackamas County, 93.7th percentile, Relatively High
• Lane County, 97.2th percentile, Relatively High
• Marion County, 90.5th percentile, Relatively Moderate
• Jackson County, 93.1th percentile, Relatively Moderate
• Deschutes County, 88.9th percentile, Relatively Moderate
• Linn County, 86.3th percentile, Relatively Moderate
• Douglas County, 95.2th percentile, Relatively High
• Yamhill County, 74.1th percentile, Relatively Moderate
• Benton County, 74.8th percentile, Relatively Moderate
• Polk County, 68.2th percentile, Relatively Low
• Josephine County, 90.2th percentile, Relatively Moderate
• Umatilla County, 81.5th percentile, Relatively Moderate
• Klamath County, 78.5th percentile, Relatively Moderate
• Coos County, 87.4th percentile, Relatively High
• Columbia County, 68.2th percentile, Relatively Low
• Lincoln County, 86.6th percentile, Relatively Moderate
• Clatsop County, 96.4th percentile, Very High
• Malheur County, 52th percentile, Relatively Low
• Crook County, 40.5th percentile, Relatively Low
• Tillamook County, 76.3th percentile, Relatively Moderate
• Wasco County, 59.2th percentile, Relatively Low
• Union County, 37.5th percentile, Relatively Low
• Jefferson County, 36.6th percentile, Relatively Low
• Hood River County, 30.4th percentile, Very Low
• Curry County, 62.2th percentile, Relatively Low
• Baker County, 47.8th percentile, Relatively Low
• Morrow County, 40.1th percentile, Relatively Low
• Lake County, 37.6th percentile, Relatively Low
• Wallowa County, 48.9th percentile, Relatively Low
• Harney County, 28.5th percentile, Very Low
• Grant County, 50.2th percentile, Relatively Low
• Sherman County, 4.6th percentile, Very Low
• Gilliam County, 7th percentile, Very Low
• Wheeler County, 12.3th percentile, Very Low