County Hazards

States › Washington › Lewis County › ZIP 98531

ZIP code 98531, Lewis County, Washington

National Flood Insurance Program claims and payouts recorded for this ZIP code, with county context.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. NFIP claims as of 8 Sep 2026.

OpenFEMA lists 991 NFIP claims for ZIP 98531 (Lewis County, Washington), with $36M paid on 922 claims since 1978.

That is 47.1% of the 2,102 claims recorded across Lewis County. The average paid claim in the ZIP is $39K, close to the county average of $44K and the Washington average of $29K.

FEMA counts 56 repetitive-loss properties and 13 severe repetitive-loss properties in the ZIP (properties with two or more paid flood claims); their locations are not published.

At county level FEMA counts 1,035 residential flood policies in force, covering 2.9% of residential structures.

991NFIP claims since 1978
922paid claims
$36Mtotal paid
$39Kaverage paid claim

Compared with the county and state

MeasureZIP 98531LewisWashingtonUS
Claims since 19789912,10216,0742,680,429
Share of claims paid93%89%80%78%
Average paid claim$39K$44K$29K$43K
Share of county claims47.1%100%——
Repetitive-loss properties561351,444—

Claims by year of loss

197820022026
NFIP claims in ZIP 98531 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s0$0
1980s12$62,391
1990s473$10,377,328
2000s440$23,340,366
2010s19$593,843
2020s47$1,252,948
Year of lossClaimsPaid claimsAmount paidAverage paid
202520$0—
202311$39,186$39,186
20224240$1,179,713$29,493
202121$34,048$34,048
20151713$558,690$42,976
201322$35,153$17,577
20097975$2,502,584$33,368
200822$3,880$1,940
2007355341$20,756,545$60,870
200611$14,218$14,218
200422$63,140$31,570
200210$0—
199910$0—
199865$29,448$5,890
199711$356$356
1996344325$8,469,490$26,060
199186$148,117$24,686
199011399$1,729,917$17,474
198911$1,339$1,339
198696$41,755$6,959
198021$19,298$19,298

Claims are counted by year of loss as recorded in OpenFEMA's redacted NFIP claims file; amounts combine building, contents and increased-cost-of-compliance payments. ZIP codes in the file are the policyholder's reported ZIP.

County context: Lewis County

Lewis County has 19 weather events in the NCEI record since 1950 (0 in the last 12 months), 37 federal disaster declarations, and an overall National Risk Index rating of "Relatively Moderate". Flood-type events recorded in the county: 8; hurricane-strength tracks within 50 miles: 0.

Hail: 0 · Tornado: 3 · Flood: 8 · Wind: 0 · Winter: 0 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 98531?

991 claims since 1978 in the OpenFEMA NFIP claims file, 922 of them with a payment.

How much has the NFIP paid out in ZIP 98531?

$36M across 922 paid claims (building, contents and increased-cost-of-compliance payments combined), about $39K per paid claim.

Which year had the most flood claims in 98531?

2007, with 355 claims and $21M paid.

What county is ZIP 98531 in?

Most claims in this ZIP carry the county code for Lewis County, Washington; ZIP codes can cross county lines. The county page carries the storm record, declarations and risk index for the area.

Provenance

OpenFEMA NfipClaims v3 (as of 8 Sep 2026) and NfipMultipleLossProperties v1 (2 Aug 2026), aggregated by ZIP code and year of loss on this site; no property-level record is shown. County storm figures from NOAA NCEI through 30 Jun 2026. Built 1 Oct 2026. See the guide to redacted NFIP claims and the methodology.