County Hazards

States › Texas › Galveston County › ZIP 77591

ZIP code 77591, Galveston County, Texas

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 77591, in Galveston County, Texas, has 1,010 National Flood Insurance Program claims in the OpenFEMA record since 1978, 782 of them paid for a total of $23M.

That is 1.7% of the 60,620 claims recorded across Galveston County. The average paid claim in the ZIP is $30K, lower than the county average of $50K and the Texas average of $55K.

FEMA counts 75 repetitive-loss properties and 22 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 52,889 residential flood policies in force, covering 42.2% of residential structures.

1,010NFIP claims since 1978
782paid claims
$23Mtotal paid
$30Kaverage paid claim

Compared with the county and state

MeasureZIP 77591GalvestonTexasUS
Claims since 19781,01060,620394,2042,680,429
Share of claims paid77%82%80%78%
Average paid claim$30K$50K$55K$43K
Share of county claims1.7%100%——
Repetitive-loss properties752,85534,444—

Claims by year of loss

197820022026
NFIP claims in ZIP 77591 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s63$248,721
1980s328$1,161,492
1990s75$689,557
2000s179$1,925,131
2010s342$19,070,401
2020s23$296,202
Year of lossClaimsPaid claimsAmount paidAverage paid
202510$0—
2024129$208,490$23,166
202310$0—
202211$30,995$30,995
202142$29,781$14,891
202042$26,936$13,468
201921$11,420$11,420
20181814$407,051$29,075
2017307268$18,465,663$68,902
201684$40,883$10,221
201511$73,090$73,090
201421$61,123$61,123
201321$308$308
201222$10,865$5,432
20091212$146,167$12,181
20087018$488,626$27,146
200722$33,647$16,823
200644$12,355$3,089
200421$3,821$3,821
200321$2,798$2,798
200233$9,904$3,301
20018366$1,227,813$18,603
200010$0—
19981311$109,052$9,914
199743$14,241$4,747
199610$0—
19953632$489,670$15,302
199211$2,562$2,562
19912015$74,031$4,935
19892215$81,149$5,410
198810$0—
198621$2,391$2,391
19844336$219,222$6,089
198310764$283,396$4,428
1981153135$575,334$4,262
19796356$248,721$4,441

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: Galveston County

Galveston County has 718 weather events in the NCEI record since 1950 (4 in the last 12 months), 31 federal disaster declarations, and an overall National Risk Index rating of "Relatively High". Flood-type events recorded in the county: 118; hurricane-strength tracks within 50 miles: 22.

Hail: 121 · Tornado: 126 · Flood: 118 · Wind: 235 · Winter: 4 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 77591?

1,010 claims since 1978 in the OpenFEMA NFIP claims file, 782 of them with a payment.

How much has the NFIP paid out in ZIP 77591?

$23M across 782 paid claims (building, contents and increased-cost-of-compliance payments combined), about $30K per paid claim.

Which year had the most flood claims in 77591?

2017, with 307 claims and $18M paid.

What county is ZIP 77591 in?

Most claims in this ZIP carry the county code for Galveston County, Texas; 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.