County Hazards

States › Missouri › St. Charles County › ZIP 63304

ZIP code 63304, St. Charles 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 134 NFIP claims for ZIP 63304 (St. Charles County, Missouri), with $1.9M paid on 118 claims since 1978.

That is 1.3% of the 9,999 claims recorded across St. Charles County. The average paid claim in the ZIP is $16K, close to the county average of $18K and the Missouri average of $23K.

FEMA counts 11 repetitive-loss properties and 4 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 1,076 residential flood policies in force, covering 0.8% of residential structures.

134NFIP claims since 1978
118paid claims
$1.9Mtotal paid
$16Kaverage paid claim

Compared with the county and state

MeasureZIP 63304St. CharlesMissouriUS
Claims since 19781349,99951,3042,680,429
Share of claims paid88%88%85%78%
Average paid claim$16K$18K$23K$43K
Share of county claims1.3%100%——
Repetitive-loss properties115963,886—

Claims by year of loss

197820022026
NFIP claims in ZIP 63304 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s8$20,052
1980s22$85,556
1990s47$625,385
2000s14$146,495
2010s20$212,666
2020s23$835,700
Year of lossClaimsPaid claimsAmount paidAverage paid
202522$69,872$34,936
202454$164,057$41,014
202244$306,574$76,643
20201212$295,196$24,600
201911$5,561$5,561
201732$15,612$7,806
201610$0—
201597$153,567$21,938
201333$29,510$9,837
201132$8,416$4,208
200843$84,356$28,119
200321$3,014$3,014
200211$25,120$25,120
200111$8,962$8,962
200064$25,043$6,261
199911$12,764$12,764
199811$23,892$23,892
199744$15,187$3,797
199644$22,658$5,664
199577$106,500$15,214
199432$50,597$25,298
19932218$351,040$19,502
199111$1,050$1,050
199044$41,697$10,424
198699$58,979$6,553
198533$11,394$3,798
198322$2,293$1,146
198266$7,620$1,270
198122$5,270$2,635
197965$19,660$3,932
197822$392$196

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. Charles County

St. Charles County has 995 weather events in the NCEI record since 1950 (30 in the last 12 months), 28 federal disaster declarations, and an overall National Risk Index rating of "Relatively Moderate". Flood-type events recorded in the county: 62; hurricane-strength tracks within 50 miles: 0.

Hail: 345 · Tornado: 43 · Flood: 62 · Wind: 383 · Winter: 59 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 63304?

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

How much has the NFIP paid out in ZIP 63304?

$1.9M across 118 paid claims (building, contents and increased-cost-of-compliance payments combined), about $16K per paid claim.

Which year had the most flood claims in 63304?

1993, with 22 claims and $351K paid.

What county is ZIP 63304 in?

Most claims in this ZIP carry the county code for St. Charles 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.