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ZIP code 63143, St. Louis County, Missouri

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 63143, in St. Louis County, Missouri, has 163 National Flood Insurance Program claims in the OpenFEMA record since 1978, 118 of them paid for a total of $1.4M.

That is 1.4% of the 12,031 claims recorded across St. Louis County. The average paid claim in the ZIP is $12K, lower than the county average of $27K and the Missouri average of $23K.

FEMA counts 10 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 2,070 residential flood policies in force, covering 0.6% of residential structures.

163NFIP claims since 1978
118paid claims
$1.4Mtotal paid
$12Kaverage paid claim

Compared with the county and state

MeasureZIP 63143St. LouisMissouriUS
Claims since 197816312,03151,3042,680,429
Share of claims paid72%83%85%78%
Average paid claim$12K$27K$23K$43K
Share of county claims1.4%100%——
Repetitive-loss properties107053,886—

Claims by year of loss

197820022026
NFIP claims in ZIP 63143 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s41$259,782
1980s52$70,563
1990s20$61,240
2000s13$96,612
2010s16$30,121
2020s21$877,009
Year of lossClaimsPaid claimsAmount paidAverage paid
202422$201,029$100,515
20221918$675,980$37,554
201911$3,916$3,916
201811$1,285$1,285
2015144$24,920$6,230
200865$55,047$11,009
200432$36,353$18,176
200322$5,213$2,606
200020$0—
199911$2,503$2,503
199674$15,993$3,998
199521$2,766$2,766
199422$19,315$9,657
199384$20,663$5,166
198810$0—
198751$1,087$1,087
198531$168$168
198420$0—
198352$6,412$3,206
19822014$43,241$3,089
198154$8,368$2,092
1980119$11,289$1,254
19793433$248,925$7,543
197877$10,857$1,551

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. Louis County

St. Louis County has 1,459 weather events in the NCEI record since 1950 (24 in the last 12 months), 34 federal disaster declarations, and an overall National Risk Index rating of "Relatively High". Flood-type events recorded in the county: 82; hurricane-strength tracks within 50 miles: 0.

Hail: 660 · Tornado: 58 · Flood: 82 · Wind: 635 · Winter: 0 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 63143?

163 claims since 1978 in the OpenFEMA NFIP claims file, 118 of them with a payment.

How much has the NFIP paid out in ZIP 63143?

$1.4M across 118 paid claims (building, contents and increased-cost-of-compliance payments combined), about $12K per paid claim.

Which year had the most flood claims in 63143?

1979, with 34 claims and $249K paid.

What county is ZIP 63143 in?

Most claims in this ZIP carry the county code for St. Louis County, Missouri; 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.