County Hazards

States › Maryland › Carroll County › ZIP 21784

ZIP code 21784, 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 17 NFIP claims for ZIP 21784 (Carroll County, Maryland), with $218K paid on 7 claims since 1978.

That is 12.3% of the 138 claims recorded across Carroll County. The average paid claim in the ZIP is $31K, higher than the county average of $13K and the Maryland average of $23K.

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

17NFIP claims since 1978
7paid claims
$218Ktotal paid
$31Kaverage paid claim

Compared with the county and state

MeasureZIP 21784CarrollMarylandUS
Claims since 19781713825,3762,680,429
Share of claims paid41%65%59%78%
Average paid claim$31K$13K$23K$43K
Share of county claims12.3%100%——
Repetitive-loss properties0101,305—

Claims by year of loss

197820022026
NFIP claims in ZIP 21784 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s2$200,150
1980s2$0
1990s3$0
2000s0$0
2010s4$6,883
2020s6$10,842
Year of lossClaimsPaid claimsAmount paidAverage paid
202420$0—
202043$10,842$3,614
201911$5,608$5,608
201811$1,275$1,275
201510$0—
201310$0—
199610$0—
199310$0—
199110$0—
198420$0—
197911$200,000$200,000
197811$150$150

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 21784?

17 claims since 1978 in the OpenFEMA NFIP claims file, 7 of them with a payment.

How much has the NFIP paid out in ZIP 21784?

$218K across 7 paid claims (building, contents and increased-cost-of-compliance payments combined), about $31K per paid claim.

Which year had the most flood claims in 21784?

2020, with 4 claims and $11K paid.

What county is ZIP 21784 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.