County Hazards

States › Maryland › Carroll County › ZIP 21757

ZIP code 21757, Carroll 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 46 NFIP claims for ZIP 21757 (Carroll County, Maryland), with $368K paid on 37 claims since 1978.

That is 33.3% of the 138 claims recorded across Carroll County. The average paid claim in the ZIP is $10K, lower than the county average of $13K and the Maryland average of $23K.

FEMA counts 7 repetitive-loss properties and 1 severe repetitive-loss property in the ZIP (properties with two or more paid flood claims); their locations are not published.

At county level FEMA counts 177 residential flood policies in force, covering 0.3% of residential structures.

46NFIP claims since 1978
37paid claims
$368Ktotal paid
$10Kaverage paid claim

Compared with the county and state

MeasureZIP 21757CarrollMarylandUS
Claims since 19784613825,3762,680,429
Share of claims paid80%65%59%78%
Average paid claim$10K$13K$23K$43K
Share of county claims33.3%100%——
Repetitive-loss properties7101,305—

Claims by year of loss

197820022026
NFIP claims in ZIP 21757 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s11$9,013
1980s6$51,045
1990s20$164,506
2000s1$8,757
2010s3$49,565
2020s5$85,307
Year of lossClaimsPaid claimsAmount paidAverage paid
202154$85,307$21,327
201211$9,457$9,457
201122$40,108$20,054
200311$8,757$8,757
19962020$164,506$8,225
198932$27,838$13,919
198532$23,207$11,604
197962$7,386$3,693
197853$1,627$542

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: Carroll County

Carroll County has 1,149 weather events in the NCEI record since 1950 (40 in the last 12 months), 19 federal disaster declarations, and an overall National Risk Index rating of "Relatively Low". Flood-type events recorded in the county: 149; hurricane-strength tracks within 50 miles: 2.

Hail: 71 · Tornado: 27 · Flood: 149 · Wind: 462 · Winter: 232 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 21757?

46 claims since 1978 in the OpenFEMA NFIP claims file, 37 of them with a payment.

How much has the NFIP paid out in ZIP 21757?

$368K across 37 paid claims (building, contents and increased-cost-of-compliance payments combined), about $10K per paid claim.

Which year had the most flood claims in 21757?

1996, with 20 claims and $165K paid.

What county is ZIP 21757 in?

Most claims in this ZIP carry the county code for Carroll 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.