County Hazards

States › New York › Nassau County › ZIP 11566

ZIP code 11566, 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.

ZIP code 11566, in Nassau County, New York, has 2,053 National Flood Insurance Program claims in the OpenFEMA record since 1978, 1,709 of them paid for a total of $83M.

That is 4% of the 51,523 claims recorded across Nassau County. The average paid claim in the ZIP is $49K, close to the county average of $51K and the New York average of $40K.

FEMA counts 190 repetitive-loss properties and 3 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.

2,053NFIP claims since 1978
1,709paid claims
$83Mtotal paid
$49Kaverage paid claim

Compared with the county and state

MeasureZIP 11566NassauNew YorkUS
Claims since 19782,05351,523175,4302,680,429
Share of claims paid83%87%82%78%
Average paid claim$49K$51K$40K$43K
Share of county claims4.0%100%——
Repetitive-loss properties1906,49119,079—

Claims by year of loss

197820022026
NFIP claims in ZIP 11566 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s54$81,566
1980s92$95,229
1990s73$177,568
2000s111$495,437
2010s1,677$81,812,734
2020s46$566,480
Year of lossClaimsPaid claimsAmount paidAverage paid
202610$0—
202422$101,531$50,765
20233629$451,038$15,553
202220$0—
202142$10,823$5,411
202011$3,089$3,089
201910$0—
201841$2,807$2,807
201510$0—
20141714$158,258$11,304
201362$5,918$2,959
20121,2731,212$79,163,568$65,316
2011341231$2,381,849$10,311
20103422$100,334$4,561
200810$0—
200510081$489,659$6,045
200320$0—
200241$975$975
200042$4,803$2,401
199952$5,909$2,955
199810$0—
199710$0—
199621$2,873$2,873
199374$6,586$1,646
19924619$88,354$4,650
1991116$73,846$12,308
198940$0—
198711$3,241$3,241
1985307$18,507$2,644
1984114$6,524$1,631
1983105$5,999$1,200
198264$7,754$1,939
198132$642$321
19802716$52,562$3,285
19794633$78,327$2,374
197885$3,238$648

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 11566?

2,053 claims since 1978 in the OpenFEMA NFIP claims file, 1,709 of them with a payment.

How much has the NFIP paid out in ZIP 11566?

$83M across 1,709 paid claims (building, contents and increased-cost-of-compliance payments combined), about $49K per paid claim.

Which year had the most flood claims in 11566?

2012, with 1,273 claims and $79M paid.

What county is ZIP 11566 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 1 Oct 2026. See the guide to redacted NFIP claims and the methodology.