Washington: 39 counties covered

Across 39 Washington counties with a FEMA flood score, the average national percentile is 73.3 — but that average hides real spread between counties, which is why each one gets its own page rather than a single statewide number.

• King County — 99.5th percentile, Very High
• Pierce County — 96.2th percentile, Relatively High
• Snohomish County — 95.7th percentile, Relatively High
• Spokane County — 91.6th percentile, Relatively Moderate
• Clark County — 92.6th percentile, Relatively Moderate
• Thurston County — 90.8th percentile, Relatively Moderate
• Kitsap County — 79.4th percentile, Relatively Moderate
• Yakima County — 92.9th percentile, Relatively Moderate
• Whatcom County — 88.9th percentile, Relatively Moderate
• Benton County — 89.7th percentile, Relatively Moderate
• Skagit County — 91.4th percentile, Relatively High
• Cowlitz County — 88.3th percentile, Relatively Moderate
• Grant County — 77.2th percentile, Relatively Moderate
• Franklin County — 83.5th percentile, Relatively Moderate
• Lewis County — 90.9th percentile, Relatively Moderate
• Island County — 73.4th percentile, Relatively Moderate
• Chelan County — 91.3th percentile, Relatively Moderate
• Clallam County — 75th percentile, Relatively Moderate
• Grays Harbor County — 99th percentile, Very High
• Mason County — 79.3th percentile, Relatively Moderate
• Walla Walla County — 64.8th percentile, Relatively Low
• Stevens County — 68.6th percentile, Relatively Low
• Whitman County — 58.8th percentile, Relatively Low
• Kittitas County — 74.8th percentile, Relatively Moderate
• Douglas County — 82.1th percentile, Relatively Moderate
• Okanogan County — 89.1th percentile, Relatively Moderate
• Jefferson County — 64.4th percentile, Relatively Moderate
• Pacific County — 75th percentile, Relatively Moderate
• Klickitat County — 66.6th percentile, Relatively Low
• Asotin County — 38.5th percentile, Relatively Low
• Adams County — 34.3th percentile, Very Low
• San Juan County — 58.4th percentile, Relatively Low
• Pend Oreille County — 54.3th percentile, Relatively Low
• Skamania County — 49.8th percentile, Relatively Low
• Lincoln County — 50th percentile, Relatively Low
• Ferry County — 52.3th percentile, Relatively Low
• Wahkiakum County — 70.4th percentile, Relatively Moderate
• Columbia County — 30.7th percentile, Very Low
• Garfield County — 10.3th percentile, Very Low