County Hazards

States › Pennsylvania › Columbia County › ZIP 18603

ZIP code 18603, Columbia County, Pennsylvania

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 119 NFIP claims for ZIP 18603 (Columbia County, Pennsylvania), with $1.7M paid on 95 claims since 1978.

That is 5.4% of the 2,200 claims recorded across Columbia County. The average paid claim in the ZIP is $18K, lower than the county average of $33K and the Pennsylvania average of $23K.

FEMA counts 15 repetitive-loss properties and 1 severe repetitive-loss property in the ZIP (properties with two or more paid flood claims); their locations are not published.

At county level FEMA counts 490 residential flood policies in force, covering 1.9% of residential structures.

119NFIP claims since 1978
95paid claims
$1.7Mtotal paid
$18Kaverage paid claim

Compared with the county and state

MeasureZIP 18603ColumbiaPennsylvaniaUS
Claims since 19781192,20077,0602,680,429
Share of claims paid80%88%82%78%
Average paid claim$18K$33K$23K$43K
Share of county claims5.4%100%——
Repetitive-loss properties153538,553—

Claims by year of loss

197820022026
NFIP claims in ZIP 18603 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s19$36,921
1980s14$27,370
1990s18$123,629
2000s33$491,322
2010s32$933,572
2020s3$82,009
Year of lossClaimsPaid claimsAmount paidAverage paid
202533$82,009$27,336
201844$112,942$28,235
20112824$820,630$34,193
20062117$193,099$11,359
200533$52,781$17,594
200486$245,443$40,907
200310$0—
19961411$119,653$10,878
199342$3,976$1,988
198611$1,898$1,898
198422$4,595$2,298
198343$4,448$1,483
198175$16,429$3,286
19791513$34,074$2,621
197841$2,848$2,848

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: Columbia County

Columbia County has 435 weather events in the NCEI record since 1950 (9 in the last 12 months), 20 federal disaster declarations, and an overall National Risk Index rating of "Relatively Low". Flood-type events recorded in the county: 46; hurricane-strength tracks within 50 miles: 0.

Hail: 49 · Tornado: 9 · Flood: 46 · Wind: 237 · Winter: 73 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 18603?

119 claims since 1978 in the OpenFEMA NFIP claims file, 95 of them with a payment.

How much has the NFIP paid out in ZIP 18603?

$1.7M across 95 paid claims (building, contents and increased-cost-of-compliance payments combined), about $18K per paid claim.

Which year had the most flood claims in 18603?

2011, with 28 claims and $821K paid.

What county is ZIP 18603 in?

Most claims in this ZIP carry the county code for Columbia County, Pennsylvania; 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.