County Hazards

States › Michigan › Sanilac County › ZIP 48434

ZIP code 48434, Sanilac County, Michigan

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 48434, in Sanilac County, Michigan, has 5 National Flood Insurance Program claims in the OpenFEMA record since 1978, 3 of them paid for a total of $25K.

That is 35.7% of the 14 claims recorded across Sanilac County. The average paid claim in the ZIP is $8K, lower than the county average of $13K and the Michigan average of $15K.

At county level FEMA counts 29 residential flood policies in force, covering 0.2% of residential structures.

5NFIP claims since 1978
3paid claims
$25Ktotal paid
$8Kaverage paid claim

Compared with the county and state

MeasureZIP 48434SanilacMichiganUS
Claims since 197851414,9542,680,429
Share of claims paid60%64%69%78%
Average paid claim$8K$13K$15K$43K
Share of county claims35.7%100%——
Repetitive-loss properties001,076—

Claims by year of loss

197820022026
NFIP claims in ZIP 48434 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s0$0
1980s5$24,865
1990s0$0
2000s0$0
2010s0$0
2020s0$0
Year of lossClaimsPaid claimsAmount paidAverage paid
198732$14,258$7,129
198621$10,607$10,607

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: Sanilac County

Sanilac County has 396 weather events in the NCEI record since 1950 (4 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: 11; hurricane-strength tracks within 50 miles: 0.

Hail: 64 · Tornado: 21 · Flood: 11 · Wind: 175 · Winter: 89 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 48434?

5 claims since 1978 in the OpenFEMA NFIP claims file, 3 of them with a payment.

How much has the NFIP paid out in ZIP 48434?

$25K across 3 paid claims (building, contents and increased-cost-of-compliance payments combined), about $8K per paid claim.

Which year had the most flood claims in 48434?

1987, with 3 claims and $14K paid.

What county is ZIP 48434 in?

Most claims in this ZIP carry the county code for Sanilac County, Michigan; 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.