County Hazards

States › Michigan › Mason County › ZIP 49431

ZIP code 49431, Mason 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 49431, in Mason County, Michigan, has 8 National Flood Insurance Program claims in the OpenFEMA record since 1978, 6 of them paid for a total of $206K.

That is 61.5% of the 13 claims recorded across Mason County. The average paid claim in the ZIP is $34K, higher than the county average of $24K and the Michigan average of $15K.

At county level FEMA counts 47 residential flood policies in force, covering 0.3% of residential structures.

8NFIP claims since 1978
6paid claims
$206Ktotal paid
$34Kaverage paid claim

Compared with the county and state

MeasureZIP 49431MasonMichiganUS
Claims since 197881314,9542,680,429
Share of claims paid75%77%69%78%
Average paid claim$34K$24K$15K$43K
Share of county claims61.5%100%——
Repetitive-loss properties011,076—

Claims by year of loss

197820022026
NFIP claims in ZIP 49431 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s0$0
1980s2$937
1990s1$13,500
2000s0$0
2010s4$191,597
2020s1$0
Year of lossClaimsPaid claimsAmount paidAverage paid
202310$0—
201922$118,630$59,315
201822$72,967$36,483
199011$13,500$13,500
198621$937$937

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: Mason County

Mason County has 257 weather events in the NCEI record since 1950 (6 in the last 12 months), 9 federal disaster declarations, and an overall National Risk Index rating of "Very Low". Flood-type events recorded in the county: 14; hurricane-strength tracks within 50 miles: 0.

Hail: 23 · Tornado: 5 · Flood: 14 · Wind: 89 · Winter: 126 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 49431?

8 claims since 1978 in the OpenFEMA NFIP claims file, 6 of them with a payment.

How much has the NFIP paid out in ZIP 49431?

$206K across 6 paid claims (building, contents and increased-cost-of-compliance payments combined), about $34K per paid claim.

Which year had the most flood claims in 49431?

1986, with 2 claims and $937 paid.

What county is ZIP 49431 in?

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