County Hazards

States › Maryland › Somerset County › ZIP 21866

ZIP code 21866, Somerset 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 21866, in Somerset County, Maryland, has 17 National Flood Insurance Program claims in the OpenFEMA record since 1978, 12 of them paid for a total of $257K.

That is 1.3% of the 1,260 claims recorded across Somerset County. The average paid claim in the ZIP is $21K, higher than the county average of $16K and the Maryland average of $23K.

FEMA counts 3 repetitive-loss properties 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 1,649 residential flood policies in force, covering 15.9% of residential structures.

17NFIP claims since 1978
12paid claims
$257Ktotal paid
$21Kaverage paid claim

Compared with the county and state

MeasureZIP 21866SomersetMarylandUS
Claims since 1978171,26025,3762,680,429
Share of claims paid71%77%59%78%
Average paid claim$21K$16K$23K$43K
Share of county claims1.3%100%——
Repetitive-loss properties3901,305—

Claims by year of loss

197820022026
NFIP claims in ZIP 21866 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s0$0
1980s2$3,646
1990s2$26,105
2000s7$62,407
2010s2$9,073
2020s4$156,165
Year of lossClaimsPaid claimsAmount paidAverage paid
202511$86,611$86,611
202320$0—
202111$69,554$69,554
201221$9,073$9,073
200622$13,563$6,782
200354$48,844$12,211
199921$26,105$26,105
198511$367$367
198411$3,279$3,279

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: Somerset County

Somerset County has 292 weather events in the NCEI record since 1950 (8 in the last 12 months), 14 federal disaster declarations, and an overall National Risk Index rating of "Relatively Low". Flood-type events recorded in the county: 39; hurricane-strength tracks within 50 miles: 2.

Hail: 22 · Tornado: 6 · Flood: 39 · Wind: 94 · Winter: 77 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 21866?

17 claims since 1978 in the OpenFEMA NFIP claims file, 12 of them with a payment.

How much has the NFIP paid out in ZIP 21866?

$257K across 12 paid claims (building, contents and increased-cost-of-compliance payments combined), about $21K per paid claim.

Which year had the most flood claims in 21866?

2003, with 5 claims and $49K paid.

What county is ZIP 21866 in?

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