County Hazards

States › Ohio › Hamilton County › ZIP 45231

ZIP code 45231, Hamilton County, Ohio

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 45231, in Hamilton County, Ohio, has 73 National Flood Insurance Program claims in the OpenFEMA record since 1978, 49 of them paid for a total of $300K.

That is 3.7% of the 1,950 claims recorded across Hamilton County. The average paid claim in the ZIP is $6K, lower than the county average of $23K and the Ohio average of $17K.

FEMA counts 9 repetitive-loss properties and 4 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 876 residential flood policies in force, covering 0.4% of residential structures.

73NFIP claims since 1978
49paid claims
$300Ktotal paid
$6Kaverage paid claim

Compared with the county and state

MeasureZIP 45231HamiltonOhioUS
Claims since 1978731,95028,4172,680,429
Share of claims paid67%76%78%78%
Average paid claim$6K$23K$17K$43K
Share of county claims3.7%100%——
Repetitive-loss properties91882,635—

Claims by year of loss

197820022026
NFIP claims in ZIP 45231 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s4$8,339
1980s21$88,429
1990s27$74,757
2000s6$40,526
2010s10$28,516
2020s5$59,688
Year of lossClaimsPaid claimsAmount paidAverage paid
202510$0—
202422$18,913$9,456
202222$40,775$20,388
201732$4,822$2,411
201211$2,092$2,092
201065$21,602$4,320
200343$32,355$10,785
200211$8,171$8,171
200010$0—
1998139$65,320$7,258
199653$5,307$1,769
199542$1,839$920
199421$2,290$2,290
199330$0—
198563$15,592$5,197
198310$0—
198275$58,777$11,755
198176$14,059$2,343
197944$8,339$2,085

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: Hamilton County

Hamilton County has 1,159 weather events in the NCEI record since 1950 (22 in the last 12 months), 18 federal disaster declarations, and an overall National Risk Index rating of "Relatively High". Flood-type events recorded in the county: 262; hurricane-strength tracks within 50 miles: 0.

Hail: 210 · Tornado: 18 · Flood: 262 · Wind: 478 · Winter: 141 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 45231?

73 claims since 1978 in the OpenFEMA NFIP claims file, 49 of them with a payment.

How much has the NFIP paid out in ZIP 45231?

$300K across 49 paid claims (building, contents and increased-cost-of-compliance payments combined), about $6K per paid claim.

Which year had the most flood claims in 45231?

1998, with 13 claims and $65K paid.

What county is ZIP 45231 in?

Most claims in this ZIP carry the county code for Hamilton County, Ohio; 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.