Updated April 2026
Flood Risk in Washington
Washington has 40 counties with flood risk data, 151 total NFIP flood insurance claims, and an average risk score of 12 out of 100.
40
Counties
151
NFIP Claims
$4,767,379
Total Payouts
12
Avg Risk Score
Grade Distribution
A
38
counties
B
2
counties
C
0
counties
D
0
counties
F
0
counties
All 40 Counties in Washington
Sorted by flood risk score, highest to lowest.
| # | County | Grade | Score | Claims | Payouts | Disasters |
|---|---|---|---|---|---|---|
| 1 | Whatcom | B | 23 | 37 | $2,426,421 | 14 |
| 2 | Skagit | B | 22 | 15 | $587,857 | 13 |
| 3 | King | A | 17 | 24 | $547,166 | 18 |
| 4 | Lewis | A | 16 | 8 | $141,961 | 20 |
| 5 | Thurston | A | 16 | 3 | $29,347 | 15 |
| 6 | Wahkiakum | A | 16 | 0 | $0 | 15 |
| 7 | Mason | A | 15 | 4 | $38,936 | 13 |
| 8 | Cowlitz | A | 14 | 1 | $0 | 12 |
| 9 | Jefferson | A | 14 | 1 | $0 | 12 |
| 10 | Pacific | A | 14 | 4 | $58,725 | 12 |
| 11 | Clallam | A | 13 | 0 | $0 | 11 |
| 12 | Skamania | A | 13 | 0 | $0 | 10 |
| 13 | Benton | A | 13 | 1 | $19,769 | 10 |
| 14 | Yakima | A | 13 | 1 | $8,533 | 11 |
| 15 | Chehalis Indian Reservation | A | 12 | 0 | $0 | 8 |
| 16 | Grays Harbor | A | 12 | 17 | $277,770 | 17 |
| 17 | Klickitat | A | 12 | 0 | $0 | 8 |
| 18 | Columbia | A | 12 | 0 | $0 | 8 |
| 19 | Garfield | A | 12 | 0 | $0 | 8 |
| 20 | Snohomish | A | 12 | 9 | $102,843 | 14 |
| 21 | Kittitas | A | 12 | 2 | $35,161 | 9 |
| 22 | Chelan | A | 11 | 2 | $63,333 | 7 |
| 23 | Island | A | 11 | 5 | $169,130 | 6 |
| 24 | Pend Oreille | A | 11 | 0 | $0 | 6 |
| 25 | Spokane | A | 11 | 0 | $0 | 7 |
| 26 | Clark | A | 11 | 3 | $19,928 | 6 |
| 27 | Pierce | A | 11 | 8 | $42,291 | 12 |
| 28 | Asotin | A | 11 | 0 | $0 | 6 |
| 29 | Kitsap | A | 11 | 4 | $188,155 | 7 |
| 30 | Whitman | A | 11 | 0 | $0 | 7 |
| 31 | Franklin | A | 10 | 0 | $0 | 4 |
| 32 | Okanogan | A | 10 | 0 | $0 | 4 |
| 33 | San Juan | A | 10 | 0 | $0 | 5 |
| 34 | Walla Walla | A | 10 | 1 | $10,053 | 5 |
| 35 | Lincoln | A | 10 | 0 | $0 | 5 |
| 36 | Stevens | A | 10 | 0 | $0 | 4 |
| 37 | Adams | A | 9 | 1 | $0 | 3 |
| 38 | Ferry | A | 9 | 0 | $0 | 3 |
| 39 | Grant | A | 9 | 0 | $0 | 2 |
| 40 | Douglas | A | 9 | 0 | $0 | 3 |