County Hazards

States › Missouri › St. Charles County › ZIP 63373

ZIP code 63373, 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 1,113 NFIP claims for ZIP 63373 (St. Charles County, Missouri), with $22M paid on 965 claims since 1978.

That is 11.1% of the 9,999 claims recorded across St. Charles County. The average paid claim in the ZIP is $23K, higher than the county average of $18K and the Missouri average of $23K.

FEMA counts 50 repetitive-loss properties and 23 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.

1,113NFIP claims since 1978
965paid claims
$22Mtotal paid
$23Kaverage paid claim

Compared with the county and state

MeasureZIP 63373St. CharlesMissouriUS
Claims since 19781,1139,99951,3042,680,429
Share of claims paid87%88%85%78%
Average paid claim$23K$18K$23K$43K
Share of county claims11.1%100%——
Repetitive-loss properties505963,886—

Claims by year of loss

197820022026
NFIP claims in ZIP 63373 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s68$397,751
1980s294$1,361,991
1990s404$9,345,446
2000s109$2,761,050
2010s203$8,069,670
2020s35$506,685
Year of lossClaimsPaid claimsAmount paidAverage paid
202644$196,922$49,230
202422$87,860$43,930
202233$8,880$2,960
2021109$95,424$10,603
20201614$117,599$8,400
20199687$4,170,505$47,937
201877$77,248$11,035
20171110$229,051$22,905
201621$21,119$21,119
20152722$530,396$24,109
201488$501,168$62,646
20132020$1,060,365$53,018
20111413$1,021,364$78,566
20101817$458,454$26,968
20091614$306,725$21,909
20085042$1,814,913$43,212
200411$1,892$1,892
20023225$441,840$17,674
2001109$195,680$21,742
199998$166,837$20,855
19981512$177,556$14,796
199795$152,892$30,578
19961210$153,470$15,347
19954740$681,651$17,041
199454$37,907$9,477
1993272249$7,830,150$31,446
199121$1,209$1,209
19903328$143,773$5,135
198810$0—
19868471$659,086$9,283
19853125$106,285$4,251
19841210$26,394$2,639
19836453$255,663$4,824
19828870$303,676$4,338
1981149$10,887$1,210
19796358$394,126$6,795
197854$3,624$906

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 63373?

1,113 claims since 1978 in the OpenFEMA NFIP claims file, 965 of them with a payment.

How much has the NFIP paid out in ZIP 63373?

$22M across 965 paid claims (building, contents and increased-cost-of-compliance payments combined), about $23K per paid claim.

Which year had the most flood claims in 63373?

1993, with 272 claims and $7.8M paid.

What county is ZIP 63373 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 1 Oct 2026. See the guide to redacted NFIP claims and the methodology.