County Hazards

States › Maryland › St. Mary's County › ZIP 20653

ZIP code 20653, St. Mary's 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 34 NFIP claims for ZIP 20653 (St. Mary's County, Maryland), with $371K paid on 21 claims since 1978.

That is 5.5% of the 613 claims recorded across St. Mary's County. The average paid claim in the ZIP is $18K, lower than the county average of $26K and the Maryland average of $23K.

FEMA counts 2 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 990 residential flood policies in force, covering 2.4% of residential structures.

34NFIP claims since 1978
21paid claims
$371Ktotal paid
$18Kaverage paid claim

Compared with the county and state

MeasureZIP 20653St. Mary'sMarylandUS
Claims since 19783461325,3762,680,429
Share of claims paid62%72%59%78%
Average paid claim$18K$26K$23K$43K
Share of county claims5.5%100%——
Repetitive-loss properties2651,305—

Claims by year of loss

197820022026
NFIP claims in ZIP 20653 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s3$647
1980s0$0
1990s3$0
2000s10$98,926
2010s14$217,104
2020s4$54,624
Year of lossClaimsPaid claimsAmount paidAverage paid
202211$34,621$34,621
202122$20,003$10,002
202010$0—
201910$0—
201822$111,563$55,782
201610$0—
201233$55,974$18,658
201142$7,083$3,541
201032$42,484$21,242
200911$8,293$8,293
200811$4,221$4,221
200622$28,235$14,117
200364$58,177$14,544
199910$0—
199810$0—
199610$0—
197931$647$647

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: St. Mary's County

St. Mary's County has 1,060 weather events in the NCEI record since 1950 (27 in the last 12 months), 18 federal disaster declarations, and an overall National Risk Index rating of "Very Low". Flood-type events recorded in the county: 240; hurricane-strength tracks within 50 miles: 0.

Hail: 80 · Tornado: 34 · Flood: 240 · Wind: 377 · Winter: 104 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 20653?

34 claims since 1978 in the OpenFEMA NFIP claims file, 21 of them with a payment.

How much has the NFIP paid out in ZIP 20653?

$371K across 21 paid claims (building, contents and increased-cost-of-compliance payments combined), about $18K per paid claim.

Which year had the most flood claims in 20653?

2003, with 6 claims and $58K paid.

What county is ZIP 20653 in?

Most claims in this ZIP carry the county code for St. Mary's 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.