County Hazards

States › Missouri › Jefferson County › ZIP 63023

ZIP code 63023, Jefferson 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 156 NFIP claims for ZIP 63023 (Jefferson County, Missouri), with $2.6M paid on 139 claims since 1978.

That is 3.4% of the 4,592 claims recorded across Jefferson County. The average paid claim in the ZIP is $19K, close to the county average of $18K and the Missouri average of $23K.

FEMA counts 22 repetitive-loss properties and 9 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 591 residential flood policies in force, covering 0.7% of residential structures.

156NFIP claims since 1978
139paid claims
$2.6Mtotal paid
$19Kaverage paid claim

Compared with the county and state

MeasureZIP 63023JeffersonMissouriUS
Claims since 19781564,59251,3042,680,429
Share of claims paid89%85%85%78%
Average paid claim$19K$18K$23K$43K
Share of county claims3.4%100%——
Repetitive-loss properties223793,886—

Claims by year of loss

197820022026
NFIP claims in ZIP 63023 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s1$10,786
1980s24$132,432
1990s48$573,051
2000s47$865,807
2010s30$870,843
2020s6$181,676
Year of lossClaimsPaid claimsAmount paidAverage paid
202511$53,072$53,072
202453$128,604$42,868
20171818$639,734$35,541
201622$19,458$9,729
201544$164,134$41,034
201344$33,593$8,398
201122$13,923$6,962
200999$64,136$7,126
20082826$740,752$28,490
200611$5,341$5,341
200098$55,578$6,947
19942014$141,510$10,108
19932221$385,074$18,337
199064$46,467$11,617
198587$60,753$8,679
1983108$46,411$5,801
198266$25,268$4,211
197911$10,786$10,786

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: Jefferson County

Jefferson County has 805 weather events in the NCEI record since 1950 (8 in the last 12 months), 30 federal disaster declarations, and an overall National Risk Index rating of "Relatively Moderate". Flood-type events recorded in the county: 56; hurricane-strength tracks within 50 miles: 0.

Hail: 312 · Tornado: 44 · Flood: 56 · Wind: 245 · Winter: 57 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 63023?

156 claims since 1978 in the OpenFEMA NFIP claims file, 139 of them with a payment.

How much has the NFIP paid out in ZIP 63023?

$2.6M across 139 paid claims (building, contents and increased-cost-of-compliance payments combined), about $19K per paid claim.

Which year had the most flood claims in 63023?

2008, with 28 claims and $741K paid.

What county is ZIP 63023 in?

Most claims in this ZIP carry the county code for Jefferson 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.