County Hazards

States › New York › Nassau County › ZIP 11783

ZIP code 11783, 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 2,243 NFIP claims for ZIP 11783 (Nassau County, New York), with $88M paid on 1,989 claims since 1978.

That is 4.4% of the 51,523 claims recorded across Nassau County. The average paid claim in the ZIP is $44K, close to the county average of $51K and the New York average of $40K.

FEMA counts 320 repetitive-loss properties and 64 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.

2,243NFIP claims since 1978
1,989paid claims
$88Mtotal paid
$44Kaverage paid claim

Compared with the county and state

MeasureZIP 11783NassauNew YorkUS
Claims since 19782,24351,523175,4302,680,429
Share of claims paid89%87%82%78%
Average paid claim$44K$51K$40K$43K
Share of county claims4.4%100%——
Repetitive-loss properties3206,49119,079—

Claims by year of loss

197820022026
NFIP claims in ZIP 11783 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s23$22,362
1980s144$390,947
1990s443$4,379,418
2000s117$905,139
2010s1,493$82,416,016
2020s23$256,082
Year of lossClaimsPaid claimsAmount paidAverage paid
202610$0—
202522$68,910$34,455
202442$105,902$52,951
202342$9,664$4,832
202243$65,874$21,958
202151$1,476$1,476
202031$4,257$4,257
201920$0—
201862$3,746$1,873
201764$90,000$22,500
201695$79,302$15,860
201522$92,004$46,002
20141410$193,469$19,347
201364$74,749$18,687
20121,0501,017$68,645,893$67,498
2011364331$12,672,389$38,285
20103428$564,464$20,159
200955$78,397$15,679
200854$56,757$14,189
20071410$80,456$8,046
200610$0—
20057964$661,299$10,333
200210$0—
200111$2,169$2,169
2000115$26,061$5,212
199973$11,338$3,779
1998126$26,477$4,413
19964636$272,606$7,572
199510$0—
199454$13,747$3,437
19931410$46,553$4,655
1992236206$2,915,954$14,155
1991120100$1,092,742$10,927
199020$0—
198932$10,822$5,411
1987109$23,534$2,615
198621$548$548
19857157$275,520$4,834
19843321$44,190$2,104
198342$3,512$1,756
198211$1,077$1,077
198110$0—
19801916$31,745$1,984
19791910$21,282$2,128
197842$1,080$540

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 11783?

2,243 claims since 1978 in the OpenFEMA NFIP claims file, 1,989 of them with a payment.

How much has the NFIP paid out in ZIP 11783?

$88M across 1,989 paid claims (building, contents and increased-cost-of-compliance payments combined), about $44K per paid claim.

Which year had the most flood claims in 11783?

2012, with 1,050 claims and $69M paid.

What county is ZIP 11783 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.