County Hazards

States › New York › Nassau County › ZIP 11561

ZIP code 11561, 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 9,653 NFIP claims for ZIP 11561 (Nassau County, New York), with $498M paid on 8,666 claims since 1978.

That is 18.7% of the 51,523 claims recorded across Nassau County. The average paid claim in the ZIP is $57K, close to the county average of $51K and the New York average of $40K.

FEMA counts 929 repetitive-loss properties and 53 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.

9,653NFIP claims since 1978
8,666paid claims
$498Mtotal paid
$57Kaverage paid claim

Compared with the county and state

MeasureZIP 11561NassauNew YorkUS
Claims since 19789,65351,523175,4302,680,429
Share of claims paid90%87%82%78%
Average paid claim$57K$51K$40K$43K
Share of county claims18.7%100%——
Repetitive-loss properties9296,49119,079—

Claims by year of loss

197820022026
NFIP claims in ZIP 11561 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s64$110,243
1980s398$851,702
1990s699$5,351,353
2000s532$2,769,458
2010s7,835$487,025,440
2020s125$1,675,131
Year of lossClaimsPaid claimsAmount paidAverage paid
202431$678$678
20238468$1,231,274$18,107
20221611$186,838$16,985
202194$37,128$9,282
2020138$219,213$27,402
201950$0—
2018105$48,247$9,649
201731$448$448
201640$0—
201520$0—
2014218$32,404$4,051
20132310$120,927$12,093
20126,5396,287$470,755,548$74,878
20111,123952$15,430,909$16,209
201010569$636,955$9,231
200982$14,913$7,457
200831$11,191$11,191
2007129$42,427$4,714
200622$13,098$6,549
2005430339$2,587,095$7,632
2004104$19,716$4,929
20034223$58,074$2,525
2002136$17,654$2,942
200162$1,691$845
200063$3,600$1,200
199961$1,267$1,267
19981310$22,356$2,236
199741$2,984$2,984
19961710$79,958$7,996
1995117$44,146$6,307
199441$2,541$2,541
19932818$92,532$5,141
1992533435$4,366,964$10,039
19918364$738,604$11,541
1989103$6,381$2,127
198811$595$595
19873121$90,353$4,303
1985240174$640,816$3,683
19845826$68,072$2,618
1983186$2,651$442
198282$2,038$1,019
198131$256$256
19802921$40,541$1,931
19792922$64,537$2,934
19783527$45,706$1,693

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 11561?

9,653 claims since 1978 in the OpenFEMA NFIP claims file, 8,666 of them with a payment.

How much has the NFIP paid out in ZIP 11561?

$498M across 8,666 paid claims (building, contents and increased-cost-of-compliance payments combined), about $57K per paid claim.

Which year had the most flood claims in 11561?

2012, with 6,539 claims and $471M paid.

What county is ZIP 11561 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.