County Hazards

States › Louisiana › St. Tammany Parish › ZIP 70420

ZIP code 70420, St. Tammany 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 70420, in St. Tammany Parish, Louisiana, has 256 National Flood Insurance Program claims in the OpenFEMA record since 1978, 134 of them paid for a total of $2.4M.

That is 0.7% of the 38,420 claims recorded across St. Tammany Parish. The average paid claim in the ZIP is $18K, lower than the county average of $60K and the Louisiana average of $54K.

FEMA counts 11 repetitive-loss properties and 2 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 37,387 residential flood policies in force, covering 40.5% of residential structures.

256NFIP claims since 1978
134paid claims
$2.4Mtotal paid
$18Kaverage paid claim

Compared with the county and state

MeasureZIP 70420St. TammanyLouisianaUS
Claims since 197825638,420485,7432,680,429
Share of claims paid52%77%80%78%
Average paid claim$18K$60K$54K$43K
Share of county claims0.7%100%——
Repetitive-loss properties113,05830,692—

Claims by year of loss

197820022026
NFIP claims in ZIP 70420 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s1$8,445
1980s6$25,532
1990s40$695,862
2000s162$1,330,258
2010s14$180,761
2020s33$179,918
Year of lossClaimsPaid claimsAmount paidAverage paid
202610$0—
2024139$126,102$14,011
202220$0—
2021167$26,642$3,806
202011$27,174$27,174
201810$0—
201720$0—
2012109$180,761$20,085
201010$0—
200864$130,092$32,523
200711$6,251$6,251
200621$18,150$18,150
200511532$591,744$18,492
200376$107,014$17,836
200231$11,613$11,613
20012823$465,396$20,235
199887$126,820$18,117
199621$37,567$37,567
19952523$478,012$20,783
199342$52,964$26,482
199211$500$500
198811$3,582$3,582
198332$11,692$5,846
198022$10,257$5,129
197811$8,445$8,445

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. Tammany Parish

St. Tammany Parish has 802 weather events in the NCEI record since 1950 (38 in the last 12 months), 50 federal disaster declarations, and an overall National Risk Index rating of "Relatively High". Flood-type events recorded in the county: 162; hurricane-strength tracks within 50 miles: 9.

Hail: 98 · Tornado: 74 · Flood: 162 · Wind: 374 · Winter: 8 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 70420?

256 claims since 1978 in the OpenFEMA NFIP claims file, 134 of them with a payment.

How much has the NFIP paid out in ZIP 70420?

$2.4M across 134 paid claims (building, contents and increased-cost-of-compliance payments combined), about $18K per paid claim.

Which year had the most flood claims in 70420?

2005, with 115 claims and $592K paid.

What county is ZIP 70420 in?

Most claims in this ZIP carry the county code for St. Tammany 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 1 Oct 2026. See the guide to redacted NFIP claims and the methodology.