County Hazards

States › Maryland › Caroline County › ZIP 21639

ZIP code 21639, Caroline 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.

ZIP code 21639, in Caroline County, Maryland, has 32 National Flood Insurance Program claims in the OpenFEMA record since 1978, 24 of them paid for a total of $750K.

That is 41.6% of the 77 claims recorded across Caroline County. The average paid claim in the ZIP is $31K, close to the county average of $26K and the Maryland average of $23K.

FEMA counts 1 repetitive-loss property and 0 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 158 residential flood policies in force, covering 1.1% of residential structures.

32NFIP claims since 1978
24paid claims
$750Ktotal paid
$31Kaverage paid claim

Compared with the county and state

MeasureZIP 21639CarolineMarylandUS
Claims since 1978327725,3762,680,429
Share of claims paid75%69%59%78%
Average paid claim$31K$26K$23K$43K
Share of county claims41.6%100%——
Repetitive-loss properties121,305—

Claims by year of loss

197820022026
NFIP claims in ZIP 21639 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s1$4,198
1980s0$0
1990s5$29,487
2000s1$31,464
2010s24$684,650
2020s1$586
Year of lossClaimsPaid claimsAmount paidAverage paid
202411$586$586
201210$0—
20112219$684,650$36,034
201010$0—
200911$31,464$31,464
199952$29,487$14,744
197911$4,198$4,198

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: Caroline County

Caroline County has 745 weather events in the NCEI record since 1950 (19 in the last 12 months), 21 federal disaster declarations, and an overall National Risk Index rating of "Relatively Low". Flood-type events recorded in the county: 34; hurricane-strength tracks within 50 miles: 1.

Hail: 16 · Tornado: 8 · Flood: 34 · Wind: 275 · Winter: 141 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 21639?

32 claims since 1978 in the OpenFEMA NFIP claims file, 24 of them with a payment.

How much has the NFIP paid out in ZIP 21639?

$750K across 24 paid claims (building, contents and increased-cost-of-compliance payments combined), about $31K per paid claim.

Which year had the most flood claims in 21639?

2011, with 22 claims and $685K paid.

What county is ZIP 21639 in?

Most claims in this ZIP carry the county code for Caroline 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 30 Sep 2026. See the guide to redacted NFIP claims and the methodology.