County Hazards

States › New York › Nassau County › ZIP 11545

ZIP code 11545, Nassau County, New York

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 34 NFIP claims for ZIP 11545 (Nassau County, New York), with $307K paid on 23 claims since 1978.

That is 0.1% of the 51,523 claims recorded across Nassau County. The average paid claim in the ZIP is $13K, lower than the county average of $51K and the New York average of $40K.

FEMA counts 4 repetitive-loss properties and 0 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 35,824 residential flood policies in force, covering 9.7% of residential structures.

34NFIP claims since 1978
23paid claims
$307Ktotal paid
$13Kaverage paid claim

Compared with the county and state

MeasureZIP 11545NassauNew YorkUS
Claims since 19783451,523175,4302,680,429
Share of claims paid68%87%82%78%
Average paid claim$13K$51K$40K$43K
Share of county claims0.1%100%——
Repetitive-loss properties46,49119,079—

Claims by year of loss

197820022026
NFIP claims in ZIP 11545 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s7$45,674
1980s19$53,293
1990s2$178,866
2000s3$18,649
2010s2$0
2020s1$10,639
Year of lossClaimsPaid claimsAmount paidAverage paid
202111$10,639$10,639
201410$0—
201210$0—
200711$18,057$18,057
200111$592$592
200010$0—
199311$178,866$178,866
199110$0—
198811$2,530$2,530
198610$0—
198522$6,655$3,327
198422$15,737$7,868
198321$9,974$9,974
198221$2,734$2,734
198131$3,362$3,362
198065$12,302$2,460
197965$44,774$8,955
197811$900$900

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: Nassau County

Nassau County has 700 weather events in the NCEI record since 1950 (7 in the last 12 months), 31 federal disaster declarations, and an overall National Risk Index rating of "Relatively High". Flood-type events recorded in the county: 227; hurricane-strength tracks within 50 miles: 6.

Hail: 81 · Tornado: 9 · Flood: 227 · Wind: 278 · Winter: 34 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 11545?

34 claims since 1978 in the OpenFEMA NFIP claims file, 23 of them with a payment.

How much has the NFIP paid out in ZIP 11545?

$307K across 23 paid claims (building, contents and increased-cost-of-compliance payments combined), about $13K per paid claim.

Which year had the most flood claims in 11545?

1979, with 6 claims and $45K paid.

What county is ZIP 11545 in?

Most claims in this ZIP carry the county code for Nassau County, New York; 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 30 Sep 2026. See the guide to redacted NFIP claims and the methodology.