County Hazards

States › Missouri › St. Louis County › ZIP 63021

ZIP code 63021, 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.

OpenFEMA lists 130 NFIP claims for ZIP 63021 (St. Louis County, Missouri), with $1.6M paid on 97 claims since 1978.

That is 1.1% of the 12,031 claims recorded across St. Louis County. The average paid claim in the ZIP is $17K, lower than the county average of $27K and the Missouri average of $23K.

FEMA counts 13 repetitive-loss properties and 3 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.

130NFIP claims since 1978
97paid claims
$1.6Mtotal paid
$17Kaverage paid claim

Compared with the county and state

MeasureZIP 63021St. LouisMissouriUS
Claims since 197813012,03151,3042,680,429
Share of claims paid75%83%85%78%
Average paid claim$17K$27K$23K$43K
Share of county claims1.1%100%——
Repetitive-loss properties137053,886—

Claims by year of loss

197820022026
NFIP claims in ZIP 63021 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s13$75,894
1980s44$221,806
1990s43$436,583
2000s9$42,505
2010s12$312,506
2020s9$544,984
Year of lossClaimsPaid claimsAmount paidAverage paid
202421$118,000$118,000
202075$426,984$85,397
201910$0—
201732$111,117$55,558
201584$201,389$50,347
200910$0—
200833$41,981$13,994
200051$524$524
199830$0—
199587$26,868$3,838
199466$129,169$21,528
19932019$264,499$13,921
199143$7,229$2,410
199021$8,818$8,818
198621$991$991
198583$3,792$1,264
198433$2,148$716
198375$39,561$7,912
19821413$147,354$11,335
198154$10,070$2,517
198055$17,890$3,578
19791311$75,894$6,899

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 63021?

130 claims since 1978 in the OpenFEMA NFIP claims file, 97 of them with a payment.

How much has the NFIP paid out in ZIP 63021?

$1.6M across 97 paid claims (building, contents and increased-cost-of-compliance payments combined), about $17K per paid claim.

Which year had the most flood claims in 63021?

1993, with 20 claims and $264K paid.

What county is ZIP 63021 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.