County Hazards

States › South Carolina › Charleston County › ZIP 29451

ZIP code 29451, Charleston County, South Carolina

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 29451, in Charleston County, South Carolina, has 2,691 National Flood Insurance Program claims in the OpenFEMA record since 1978, 2,098 of them paid for a total of $66M.

That is 14% of the 19,289 claims recorded across Charleston County. The average paid claim in the ZIP is $31K, higher than the county average of $24K and the South Carolina average of $30K.

FEMA counts 48 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 46,856 residential flood policies in force, covering 31.7% of residential structures.

2,691NFIP claims since 1978
2,098paid claims
$66Mtotal paid
$31Kaverage paid claim

Compared with the county and state

MeasureZIP 29451CharlestonSouth CarolinaUS
Claims since 19782,69119,28949,6222,680,429
Share of claims paid78%69%70%78%
Average paid claim$31K$24K$30K$43K
Share of county claims14.0%100%——
Repetitive-loss properties481,2453,817—

Claims by year of loss

197820022026
NFIP claims in ZIP 29451 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s8$11,628
1980s2,058$62,805,649
1990s330$265,708
2000s32$99,072
2010s208$1,721,872
2020s55$860,037
Year of lossClaimsPaid claimsAmount paidAverage paid
202511$47,338$47,338
202421$32,056$32,056
20234429$677,687$23,369
202210$0—
202074$102,956$25,739
201943$14,890$4,963
201842$9,714$4,857
20173628$584,288$20,867
2016178$66,564$8,321
201514592$1,023,970$11,130
201411$22,446$22,446
201210$0—
200842$42,747$21,374
200610$0—
200574$19,617$4,904
200483$12,375$4,125
200241$15,910$15,910
200083$8,423$2,808
19991971$2,668$2,668
199895$21,702$4,340
199730$0—
199663$12,434$4,145
199521$32,021$32,021
19948250$144,339$2,887
199310$0—
199263$6,358$2,119
199183$7,378$2,459
1990168$38,808$4,851
19892,0211,822$62,768,278$34,450
198810$0—
19871811$35,507$3,228
198610$0—
198550$0—
198330$0—
198295$1,864$373
197984$11,628$2,907

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: Charleston County

Charleston County has 1,921 weather events in the NCEI record since 1950 (118 in the last 12 months), 27 federal disaster declarations, and an overall National Risk Index rating of "Relatively High". Flood-type events recorded in the county: 595; hurricane-strength tracks within 50 miles: 17.

Hail: 300 · Tornado: 61 · Flood: 595 · Wind: 712 · Winter: 35 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 29451?

2,691 claims since 1978 in the OpenFEMA NFIP claims file, 2,098 of them with a payment.

How much has the NFIP paid out in ZIP 29451?

$66M across 2,098 paid claims (building, contents and increased-cost-of-compliance payments combined), about $31K per paid claim.

Which year had the most flood claims in 29451?

1989, with 2,021 claims and $63M paid.

What county is ZIP 29451 in?

Most claims in this ZIP carry the county code for Charleston County, South Carolina; 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.