County Hazards

States › North Dakota › Walsh County › ZIP 58237

ZIP code 58237, Walsh County, North Dakota

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.

ZIP code 58237, in Walsh County, North Dakota, has 387 National Flood Insurance Program claims in the OpenFEMA record since 1978, 322 of them paid for a total of $1.2M.

That is 49.5% of the 782 claims recorded across Walsh County. The average paid claim in the ZIP is $4K, lower than the county average of $5K and the North Dakota average of $24K.

FEMA counts 7 repetitive-loss properties and 2 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 46 residential flood policies in force, covering 1% of residential structures.

387NFIP claims since 1978
322paid claims
$1.2Mtotal paid
$4Kaverage paid claim

Compared with the county and state

MeasureZIP 58237WalshNorth DakotaUS
Claims since 197838778213,3072,680,429
Share of claims paid83%83%81%78%
Average paid claim$4K$5K$24K$43K
Share of county claims49.5%100%——
Repetitive-loss properties717240—

Claims by year of loss

197820022026
NFIP claims in ZIP 58237 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s234$628,208
1980s13$20,636
1990s78$302,484
2000s34$119,225
2010s27$100,286
2020s1$0
Year of lossClaimsPaid claimsAmount paidAverage paid
202210$0—
201733$18,610$6,203
201441$371$371
20131913$80,842$6,219
201011$464$464
20091414$65,176$4,655
200521$4,069$4,069
20041110$49,979$4,998
200130$0—
200040$0—
199910$0—
19975646$224,351$4,877
19962118$78,133$4,341
198922$6,739$3,370
198787$13,728$1,961
198310$0—
198211$169$169
198010$0—
1979217190$596,816$3,141
19781715$31,392$2,093

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: Walsh County

Walsh County has 535 weather events in the NCEI record since 1950 (16 in the last 12 months), 41 federal disaster declarations, and an overall National Risk Index rating of "Very Low". Flood-type events recorded in the county: 43; hurricane-strength tracks within 50 miles: 0.

Hail: 235 · Tornado: 54 · Flood: 43 · Wind: 170 · Winter: 15 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 58237?

387 claims since 1978 in the OpenFEMA NFIP claims file, 322 of them with a payment.

How much has the NFIP paid out in ZIP 58237?

$1.2M across 322 paid claims (building, contents and increased-cost-of-compliance payments combined), about $4K per paid claim.

Which year had the most flood claims in 58237?

1979, with 217 claims and $597K paid.

What county is ZIP 58237 in?

Most claims in this ZIP carry the county code for Walsh County, North Dakota; 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.