Counties with the Highest Natural Hazard Risk in Washington
The top 25 of 39 Washington counties on GIS Map, ranked by FEMA National Risk Index score (0-100, national percentile).
| # | County | Risk Index score |
|---|---|---|
| 1 | King County | 99.7 |
| 2 | Pierce County | 98.5 |
| 3 | Snohomish County | 97.9 |
| 4 | Grays Harbor County | 97.0 |
| 5 | Thurston County | 94.5 |
| 6 | Yakima County | 94.0 |
| 7 | Pacific County | 92.7 |
| 8 | Kitsap County | 92.3 |
| 9 | Clark County | 92.2 |
| 10 | Whatcom County | 91.0 |
| 11 | Chelan County | 90.9 |
| 12 | Cowlitz County | 90.3 |
| 13 | Spokane County | 90.0 |
| 14 | Clallam County | 89.7 |
| 15 | Lewis County | 89.7 |
| 16 | Okanogan County | 89.2 |
| 17 | Kittitas County | 89.1 |
| 18 | Skagit County | 88.8 |
| 19 | Benton County | 87.1 |
| 20 | Mason County | 85.3 |
| 21 | Island County | 78.0 |
| 22 | Grant County | 76.9 |
| 23 | Douglas County | 74.1 |
| 24 | Klickitat County | 73.9 |
| 25 | Franklin County | 72.5 |
Source: FEMA National Risk Index (December 2025). All counties with data are ranked. Estimates carry margins of error.
Citing this page: GIS Map, “Counties with the Highest Natural Hazard Risk in Washington”, https://gismap.land/rankings/washington/highest-risk-counties. Figures from FEMA National Risk Index (December 2025).
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