County Hazards

States › Maryland › Allegany County › ZIP 21555

ZIP code 21555, Allegany County, Maryland

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 17 NFIP claims for ZIP 21555 (Allegany County, Maryland), with $290K paid on 15 claims since 1978.

That is 4.5% of the 377 claims recorded across Allegany County. The average paid claim in the ZIP is $19K, close to the county average of $20K and the Maryland average of $23K.

At county level FEMA counts 135 residential flood policies in force, covering 0.5% of residential structures.

17NFIP claims since 1978
15paid claims
$290Ktotal paid
$19Kaverage paid claim

Compared with the county and state

MeasureZIP 21555AlleganyMarylandUS
Claims since 19781737725,3762,680,429
Share of claims paid88%71%59%78%
Average paid claim$19K$20K$23K$43K
Share of county claims4.5%100%——
Repetitive-loss properties0231,305—

Claims by year of loss

197820022026
NFIP claims in ZIP 21555 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s1$4,222
1980s0$0
1990s14$234,195
2000s0$0
2010s0$0
2020s2$51,646
Year of lossClaimsPaid claimsAmount paidAverage paid
202121$51,646$51,646
19961312$231,617$19,301
199311$2,578$2,578
197911$4,222$4,222

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: Allegany County

Allegany County has 643 weather events in the NCEI record since 1950 (11 in the last 12 months), 17 federal disaster declarations, and an overall National Risk Index rating of "Relatively Low". Flood-type events recorded in the county: 117; hurricane-strength tracks within 50 miles: 0.

Hail: 86 · Tornado: 10 · Flood: 117 · Wind: 286 · Winter: 76 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 21555?

17 claims since 1978 in the OpenFEMA NFIP claims file, 15 of them with a payment.

How much has the NFIP paid out in ZIP 21555?

$290K across 15 paid claims (building, contents and increased-cost-of-compliance payments combined), about $19K per paid claim.

Which year had the most flood claims in 21555?

1996, with 13 claims and $232K paid.

What county is ZIP 21555 in?

Most claims in this ZIP carry the county code for Allegany County, Maryland; 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.