County Hazards

States › Louisiana › St. Martin Parish › ZIP 70521

ZIP code 70521, St. Martin Parish, Louisiana

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 70521, in St. Martin Parish, Louisiana, has 5 National Flood Insurance Program claims in the OpenFEMA record since 1978, 5 of them paid for a total of $51K.

That is 0.3% of the 1,466 claims recorded across St. Martin Parish. The average paid claim in the ZIP is $10K, lower than the county average of $23K and the Louisiana average of $54K.

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 2,157 residential flood policies in force, covering 9.9% of residential structures.

5NFIP claims since 1978
5paid claims
$51Ktotal paid
$10Kaverage paid claim

Compared with the county and state

MeasureZIP 70521St. MartinLouisianaUS
Claims since 197851,466485,7432,680,429
Share of claims paid100%83%80%78%
Average paid claim$10K$23K$54K$43K
Share of county claims0.3%100%——
Repetitive-loss properties110330,692—

Claims by year of loss

197820022026
NFIP claims in ZIP 70521 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s2$888
1980s0$0
1990s1$8,258
2000s0$0
2010s1$16,852
2020s1$24,726
Year of lossClaimsPaid claimsAmount paidAverage paid
202411$24,726$24,726
201611$16,852$16,852
199311$8,258$8,258
197911$600$600
197811$288$288

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. Martin Parish

St. Martin Parish has 191 weather events in the NCEI record since 1950 (3 in the last 12 months), 54 federal disaster declarations, and an overall National Risk Index rating of "Relatively Moderate". Flood-type events recorded in the county: 38; hurricane-strength tracks within 50 miles: 14.

Hail: 39 · Tornado: 25 · Flood: 38 · Wind: 85 · Winter: 0 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 70521?

5 claims since 1978 in the OpenFEMA NFIP claims file, 5 of them with a payment.

How much has the NFIP paid out in ZIP 70521?

$51K across 5 paid claims (building, contents and increased-cost-of-compliance payments combined), about $10K per paid claim.

Which year had the most flood claims in 70521?

1978, with 1 claim and $288 paid.

What county is ZIP 70521 in?

Most claims in this ZIP carry the county code for St. Martin Parish, Louisiana; 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.