County Hazards

States › Texas › Cameron County › ZIP 78521

ZIP code 78521, Cameron 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 78521, in Cameron County, Texas, has 526 National Flood Insurance Program claims in the OpenFEMA record since 1978, 356 of them paid for a total of $6.7M.

That is 7.4% of the 7,061 claims recorded across Cameron County. The average paid claim in the ZIP is $19K, lower than the county average of $36K and the Texas average of $55K.

FEMA counts 38 repetitive-loss properties and 6 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 12,201 residential flood policies in force, covering 9.7% of residential structures.

526NFIP claims since 1978
356paid claims
$6.7Mtotal paid
$19Kaverage paid claim

Compared with the county and state

MeasureZIP 78521CameronTexasUS
Claims since 19785267,061394,2042,680,429
Share of claims paid68%74%80%78%
Average paid claim$19K$36K$55K$43K
Share of county claims7.4%100%——
Repetitive-loss properties3857834,444—

Claims by year of loss

197820022026
NFIP claims in ZIP 78521 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s5$6,412
1980s147$447,921
1990s108$646,281
2000s136$2,111,500
2010s83$1,634,365
2020s47$1,815,834
Year of lossClaimsPaid claimsAmount paidAverage paid
202543$13,647$4,549
202421$24,870$24,870
202210$0—
20213930$1,777,318$59,244
202010$0—
20182523$981,120$42,657
20152214$462,580$33,041
201462$21,484$10,742
201310$0—
201211$14,584$14,584
201110$0—
20102718$154,596$8,589
200921$23,101$23,101
20084929$263,029$9,070
200775$19,148$3,830
20042820$656,569$32,828
20034843$1,117,653$25,992
200211$31,998$31,998
200010$0—
199920$0—
199810$0—
19972823$342,766$14,903
19964941$263,582$6,429
199510$0—
199421$1,184$1,184
199322$7,768$3,884
199287$15,405$2,201
1991156$15,576$2,596
198842$5,626$2,813
198785$16,355$3,271
198642$5,108$2,554
198510$0—
19845939$270,349$6,932
198375$16,813$3,363
198293$16,501$5,500
198132$4,434$2,217
19805223$112,734$4,901
197954$6,412$1,603

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: Cameron County

Cameron County has 874 weather events in the NCEI record since 1950 (33 in the last 12 months), 34 federal disaster declarations, and an overall National Risk Index rating of "Relatively High". Flood-type events recorded in the county: 144; hurricane-strength tracks within 50 miles: 15.

Hail: 103 · Tornado: 68 · Flood: 144 · Wind: 236 · Winter: 9 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 78521?

526 claims since 1978 in the OpenFEMA NFIP claims file, 356 of them with a payment.

How much has the NFIP paid out in ZIP 78521?

$6.7M across 356 paid claims (building, contents and increased-cost-of-compliance payments combined), about $19K per paid claim.

Which year had the most flood claims in 78521?

1984, with 59 claims and $270K paid.

What county is ZIP 78521 in?

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