2026 Rankings

ZIP Codes with Highest Flood Risk in Washington — 2026

Last updated: August 31, 2026

458 ZIP codes ranked by Historical NFIP Claims #1: ZIP 98065 (Snoqualmie, WA) - 1,194 claims
Lead Violations Lowest Score Safest Flood Risk Energy Cost Radon PFAS Reliability EJ Index Homebuyer Risk CO & Gas Safest Gas Remediation Burden Unresolved Violations (by Utility) Water Equity (by Utility)

Out of 458 ZIP codes with data in Washington, these are the highest-ranked areas for historical nfip claims. See also: National ZIP Codes with the Most Historical NFIP Claims | All Washington Rankings

Statistic Value
ZIP codes ranked 458
Highest value 1,194 claims
Median value 8 claims
State Washington

Top 100 Worst ZIP Codes

Rank ZIP Code City State Historical NFIP Claims Safety Score
1 98065 Snoqualmie WA 1,194 claims 98/100
2 98531 Centralia WA 991 claims 80/100
3 98532 Chehalis WA 808 claims 96/100
4 98284 Sedro Woolley WA 416 claims 99/100
5 98520 Aberdeen WA 358 claims 97/100
6 98295 Sumas WA 348 claims —
7 98294 Sultan WA 317 claims 98/100
8 98223 Arlington WA 298 claims 92/100
9 98290 Snohomish WA 298 claims 96/100
10 98247 Everson WA 294 claims 92/100
11 98550 Hoquiam WA 270 claims 99/100
12 98273 Mount Vernon WA 247 claims 98/100
13 98045 North Bend WA 244 claims 99/100
14 98027 Issaquah WA 240 claims 98/100
15 98255 Hamilton WA 224 claims —
16 98390 Sumner WA 217 claims 99/100
17 98272 Monroe WA 215 claims 95/100
18 98038 Maple Valley WA 210 claims 82/100
19 98626 Kelso WA 186 claims 98/100
20 98443 Tacoma WA 181 claims 100/100
21 98014 Carnation WA 178 claims 99/100
22 98611 Castle Rock WA 170 claims 98/100
23 98248 Ferndale WA 166 claims 86/100
24 98584 Shelton WA 162 claims 98/100
25 98377 Randle WA 149 claims —
26 98292 Stanwood WA 146 claims —
27 98252 Granite Falls WA 133 claims 99/100
28 98922 Cle Elum WA 131 claims —
29 98233 Burlington WA 130 claims 98/100
30 98237 Concrete WA 122 claims —
31 98256 Index WA 122 claims —
32 98632 Longview WA 122 claims 99/100
33 98674 Woodland WA 120 claims 98/100
34 98371 Puyallup WA 104 claims 80/100
35 98282 Camano Island WA 98 claims —
36 98296 Snohomish WA 92 claims 99/100
37 98625 Kalama WA 92 claims 99/100
38 98826 Leavenworth WA 83 claims 98/100
39 98903 Yakima WA 83 claims 76/100
40 98579 Rochester WA 79 claims —
41 98360 Orting WA 77 claims 94/100
42 98541 Elma WA 77 claims 99/100
43 98926 Ellensburg WA 74 claims 83/100
44 98019 Duvall WA 72 claims 85/100
45 98226 Bellingham WA 72 claims 98/100
46 98563 Montesano WA 71 claims 98/100
47 98908 Yakima WA 71 claims 74/100
48 98276 Nooksack WA 70 claims —
49 98110 Bainbridge Island WA 69 claims 97/100
50 98568 Oakville WA 68 claims —
51 98047 Pacific WA 65 claims 99/100
52 98513 Olympia WA 64 claims 97/100
53 99361 Waitsburg WA 62 claims —
54 98288 Skykomish WA 61 claims —
55 98597 Yelm WA 61 claims 98/100
56 98166 Seattle WA 60 claims 100/100
57 98024 Fall City WA 58 claims —
58 98232 Bow WA 57 claims —
59 98251 Gold Bar WA 57 claims 99/100
60 98577 Raymond WA 57 claims 100/100
61 98590 Tokeland WA 56 claims —
62 99328 Dayton WA 55 claims —
63 98058 Renton WA 54 claims 99/100
64 98937 Naches WA 54 claims 82/100
65 99156 Newport WA 54 claims —
66 98236 Clinton WA 53 claims —
67 98361 Packwood WA 52 claims —
68 98466 Tacoma WA 50 claims 100/100
69 98530 Bucoda WA 50 claims —
70 98942 Selah WA 50 claims 82/100
71 98264 Lynden WA 49 claims 92/100
72 98070 Vashon WA 48 claims 93/100
73 98671 Washougal WA 48 claims —
74 98372 Puyallup WA 46 claims 79/100
75 98230 Blaine WA 45 claims 89/100
76 98382 Sequim WA 45 claims 83/100
77 98512 Olympia WA 44 claims 98/100
78 98528 Belfair WA 44 claims —
79 98036 Lynnwood WA 43 claims 100/100
80 98801 Wenatchee WA 43 claims 99/100
81 98249 Freeland WA 42 claims —
82 98588 Tahuya WA 42 claims —
83 98022 Enumclaw WA 41 claims 100/100
84 98155 Seattle WA 41 claims 100/100
85 98028 Kenmore WA 40 claims 100/100
86 98499 Lakewood WA 40 claims 83/100
87 98224 Baring WA 39 claims —
88 98586 South Bend WA 39 claims 100/100
89 98277 Oak Harbor WA 38 claims —
90 98125 Seattle WA 35 claims 100/100
91 98445 Tacoma WA 35 claims 82/100
92 98116 Seattle WA 34 claims 100/100
93 98621 Grays River WA 33 claims —
94 99362 Walla Walla WA 33 claims 67/100
95 98312 Bremerton WA 32 claims 97/100
96 98604 Battle Ground WA 32 claims 48/100
97 98201 Everett WA 31 claims 99/100
98 98335 Gig Harbor WA 31 claims 98/100
99 99163 Pullman WA 30 claims 82/100
100 98244 Deming WA 29 claims —

Methodology

This ranking uses historical FEMA National Flood Insurance Program claim records. The entity is not a complete inventory of properties, flood events, uninsured losses, or current FEMA map designations. ZIPs without claim evidence are unknown and are not ranked as zero or low risk.

Data sources: EPA Safe Drinking Water Information System (SDWIS), FEMA National Flood Insurance Program, EPA radon zone maps, EIA electricity rates, and Consumer Confidence Reports. Last updated: 2026-08-31.

Frequently Asked Questions

What does this ranking show?

It shows historical NFIP claim counts for ZIP records where FEMA claim evidence is available. It does not determine the current flood zone or risk of a specific property.

Where does the claim data come from?

The records come from FEMA National Flood Insurance Program claims. They do not include a complete inventory of uninsured losses or current property-map designations.

Explore More Rankings

How this ranking is calculated, data sources, and limitations: Rankings Methodology →

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Disclaimer: Rankings are based on EPA, FEMA, and federal agency data. They reflect historical patterns and risk indicators, not necessarily current conditions. For the most current information, contact your local water utility or request a Consumer Confidence Report.

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