County Hazards

States › Tennessee › Sullivan County › ZIP 37663

ZIP code 37663, Sullivan County, Tennessee

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 37663, in Sullivan County, Tennessee, has 34 National Flood Insurance Program claims in the OpenFEMA record since 1978, 26 of them paid for a total of $166K.

That is 17.3% of the 197 claims recorded across Sullivan County. The average paid claim in the ZIP is $6K, lower than the county average of $15K and the Tennessee average of $33K.

FEMA counts 3 repetitive-loss properties and 0 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 266 residential flood policies in force, covering 0.4% of residential structures.

34NFIP claims since 1978
26paid claims
$166Ktotal paid
$6Kaverage paid claim

Compared with the county and state

MeasureZIP 37663SullivanTennesseeUS
Claims since 19783419717,7062,680,429
Share of claims paid76%69%82%78%
Average paid claim$6K$15K$33K$43K
Share of county claims17.3%100%——
Repetitive-loss properties3131,600—

Claims by year of loss

197820022026
NFIP claims in ZIP 37663 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s0$0
1980s13$21,373
1990s9$14,016
2000s2$19,927
2010s6$106,475
2020s4$4,192
Year of lossClaimsPaid claimsAmount paidAverage paid
202211$1,703$1,703
202110$0—
202022$2,489$1,244
201943$99,805$33,268
201311$6,670$6,670
201210$0—
200322$19,927$9,963
199843$7,208$2,403
199511$1,590$1,590
199422$5,217$2,609
199020$0—
198465$11,536$2,307
198176$9,837$1,640

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: Sullivan County

Sullivan County has 520 weather events in the NCEI record since 1950 (14 in the last 12 months), 12 federal disaster declarations, and an overall National Risk Index rating of "Relatively Low". Flood-type events recorded in the county: 50; hurricane-strength tracks within 50 miles: 0.

Hail: 93 · Tornado: 3 · Flood: 50 · Wind: 279 · Winter: 82 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 37663?

34 claims since 1978 in the OpenFEMA NFIP claims file, 26 of them with a payment.

How much has the NFIP paid out in ZIP 37663?

$166K across 26 paid claims (building, contents and increased-cost-of-compliance payments combined), about $6K per paid claim.

Which year had the most flood claims in 37663?

1981, with 7 claims and $10K paid.

What county is ZIP 37663 in?

Most claims in this ZIP carry the county code for Sullivan County, Tennessee; 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.