County Hazards

States › Pennsylvania › Chester County › ZIP 19311

ZIP code 19311, Chester 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.

ZIP code 19311, in Chester County, Pennsylvania, has 57 National Flood Insurance Program claims in the OpenFEMA record since 1978, 45 of them paid for a total of $3.6M.

That is 3% of the 1,914 claims recorded across Chester County. The average paid claim in the ZIP is $79K, higher than the county average of $24K and the Pennsylvania average of $23K.

FEMA counts 12 repetitive-loss properties and 2 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 1,015 residential flood policies in force, covering 0.6% of residential structures.

57NFIP claims since 1978
45paid claims
$3.6Mtotal paid
$79Kaverage paid claim

Compared with the county and state

MeasureZIP 19311ChesterPennsylvaniaUS
Claims since 1978571,91477,0602,680,429
Share of claims paid79%80%82%78%
Average paid claim$79K$24K$23K$43K
Share of county claims3.0%100%——
Repetitive-loss properties122158,553—

Claims by year of loss

197820022026
NFIP claims in ZIP 19311 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s0$0
1980s4$16,721
1990s9$390,600
2000s16$881,713
2010s9$626,703
2020s19$1,638,339
Year of lossClaimsPaid claimsAmount paidAverage paid
202433$361,344$120,448
202155$635,780$127,156
2020117$641,215$91,602
201810$0—
201421$171,430$171,430
201164$455,273$113,818
200710$0—
200466$282,853$47,142
200387$531,459$75,923
200011$67,400$67,400
199955$241,980$48,396
199622$96,616$48,308
199421$52,003$52,003
198922$16,486$8,243
198521$235$235

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: Chester County

Chester County has 1,752 weather events in the NCEI record since 1950 (62 in the last 12 months), 26 federal disaster declarations, and an overall National Risk Index rating of "Relatively Moderate". Flood-type events recorded in the county: 316; hurricane-strength tracks within 50 miles: 0.

Hail: 102 · Tornado: 29 · Flood: 316 · Wind: 891 · Winter: 146 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 19311?

57 claims since 1978 in the OpenFEMA NFIP claims file, 45 of them with a payment.

How much has the NFIP paid out in ZIP 19311?

$3.6M across 45 paid claims (building, contents and increased-cost-of-compliance payments combined), about $79K per paid claim.

Which year had the most flood claims in 19311?

2020, with 11 claims and $641K paid.

What county is ZIP 19311 in?

Most claims in this ZIP carry the county code for Chester 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 1 Oct 2026. See the guide to redacted NFIP claims and the methodology.