County Hazards

States › Maryland › St. Mary's County › ZIP 20690

ZIP code 20690, 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.

ZIP code 20690, in St. Mary's County, Maryland, has 26 National Flood Insurance Program claims in the OpenFEMA record since 1978, 20 of them paid for a total of $286K.

That is 4.2% of the 613 claims recorded across St. Mary's County. The average paid claim in the ZIP is $14K, lower than the county average of $26K and the Maryland average of $23K.

FEMA counts 4 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 990 residential flood policies in force, covering 2.4% of residential structures.

26NFIP claims since 1978
20paid claims
$286Ktotal paid
$14Kaverage paid claim

Compared with the county and state

MeasureZIP 20690St. Mary'sMarylandUS
Claims since 19782661325,3762,680,429
Share of claims paid77%72%59%78%
Average paid claim$14K$26K$23K$43K
Share of county claims4.2%100%——
Repetitive-loss properties4651,305—

Claims by year of loss

197820022026
NFIP claims in ZIP 20690 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s0$0
1980s1$2,246
1990s2$18,952
2000s19$187,405
2010s2$802
2020s2$76,206
Year of lossClaimsPaid claimsAmount paidAverage paid
202211$72,226$72,226
202011$3,980$3,980
201910$0—
201211$802$802
200653$20,130$6,710
20031411$167,275$15,207
199911$17,443$17,443
199611$1,509$1,509
198511$2,246$2,246

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 20690?

26 claims since 1978 in the OpenFEMA NFIP claims file, 20 of them with a payment.

How much has the NFIP paid out in ZIP 20690?

$286K across 20 paid claims (building, contents and increased-cost-of-compliance payments combined), about $14K per paid claim.

Which year had the most flood claims in 20690?

2003, with 14 claims and $167K paid.

What county is ZIP 20690 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.