County Hazards

States › Iowa › Polk County › ZIP 50312

ZIP code 50312, Polk 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.

ZIP code 50312, in Polk County, Iowa, has 377 National Flood Insurance Program claims in the OpenFEMA record since 1978, 330 of them paid for a total of $5.9M.

That is 24.3% of the 1,550 claims recorded across Polk County. The average paid claim in the ZIP is $18K, lower than the county average of $31K and the Iowa average of $30K.

FEMA counts 11 repetitive-loss properties and 4 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 670 residential flood policies in force, covering 0.4% of residential structures.

377NFIP claims since 1978
330paid claims
$5.9Mtotal paid
$18Kaverage paid claim

Compared with the county and state

MeasureZIP 50312PolkIowaUS
Claims since 19783771,55014,7882,680,429
Share of claims paid88%80%81%78%
Average paid claim$18K$31K$30K$43K
Share of county claims24.3%100%——
Repetitive-loss properties11611,104—

Claims by year of loss

197820022026
NFIP claims in ZIP 50312 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s1$276
1980s54$171,717
1990s263$3,364,211
2000s25$623,025
2010s33$1,739,002
2020s1$308
Year of lossClaimsPaid claimsAmount paidAverage paid
202111$308$308
201977$409,235$58,462
201822$159,622$79,811
20151010$531,359$53,136
201332$100,717$50,359
20101111$538,070$48,915
200910$0—
20081514$308,158$22,011
200755$177,477$35,495
200444$137,390$34,348
19982820$194,093$9,705
1993157136$2,363,768$17,381
19907872$806,351$11,199
19863329$125,523$4,328
198495$7,787$1,557
1983109$37,364$4,152
198222$1,043$521
197911$276$276

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: Polk County

Polk County has 2,373 weather events in the NCEI record since 1950 (13 in the last 12 months), 21 federal disaster declarations, and an overall National Risk Index rating of "Relatively Moderate". Flood-type events recorded in the county: 295; hurricane-strength tracks within 50 miles: 0.

Hail: 670 · Tornado: 68 · Flood: 295 · Wind: 769 · Winter: 87 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 50312?

377 claims since 1978 in the OpenFEMA NFIP claims file, 330 of them with a payment.

How much has the NFIP paid out in ZIP 50312?

$5.9M across 330 paid claims (building, contents and increased-cost-of-compliance payments combined), about $18K per paid claim.

Which year had the most flood claims in 50312?

1993, with 157 claims and $2.4M paid.

What county is ZIP 50312 in?

Most claims in this ZIP carry the county code for Polk 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.