County Hazards

States › Iowa › Woodbury County › ZIP 51103

ZIP code 51103, Woodbury County, Iowa

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 149 NFIP claims for ZIP 51103 (Woodbury County, Iowa), with $689K paid on 110 claims since 1978.

That is 50.7% of the 294 claims recorded across Woodbury County. The average paid claim in the ZIP is $6K, lower than the county average of $10K and the Iowa average of $30K.

At county level FEMA counts 173 residential flood policies in force, covering 0.5% of residential structures.

149NFIP claims since 1978
110paid claims
$689Ktotal paid
$6Kaverage paid claim

Compared with the county and state

MeasureZIP 51103WoodburyIowaUS
Claims since 197814929414,7882,680,429
Share of claims paid74%69%81%78%
Average paid claim$6K$10K$30K$43K
Share of county claims50.7%100%——
Repetitive-loss properties011,104—

Claims by year of loss

197820022026
NFIP claims in ZIP 51103 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s4$5,014
1980s11$5,621
1990s123$663,092
2000s8$14,002
2010s3$1,701
2020s0$0
Year of lossClaimsPaid claimsAmount paidAverage paid
201121$1,701$1,701
201010$0—
200410$0—
200173$14,002$4,667
199820$0—
199611$738$738
199410$0—
199310$0—
199110$0—
1990117100$662,355$6,624
198922$4,053$2,027
198630$0—
198410$0—
198310$0—
198221$1,568$1,568
198110$0—
198010$0—
197910$0—
197832$5,014$2,507

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: Woodbury County

Woodbury County has 1,213 weather events in the NCEI record since 1950 (71 in the last 12 months), 18 federal disaster declarations, and an overall National Risk Index rating of "Relatively Moderate". Flood-type events recorded in the county: 83; hurricane-strength tracks within 50 miles: 0.

Hail: 385 · Tornado: 60 · Flood: 83 · Wind: 412 · Winter: 157 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 51103?

149 claims since 1978 in the OpenFEMA NFIP claims file, 110 of them with a payment.

How much has the NFIP paid out in ZIP 51103?

$689K across 110 paid claims (building, contents and increased-cost-of-compliance payments combined), about $6K per paid claim.

Which year had the most flood claims in 51103?

1990, with 117 claims and $662K paid.

What county is ZIP 51103 in?

Most claims in this ZIP carry the county code for Woodbury County, Iowa; 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.