County Hazards

States › Wisconsin › Waukesha County › ZIP 53045

ZIP code 53045, Waukesha County, Wisconsin

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 53045, in Waukesha County, Wisconsin, has 31 National Flood Insurance Program claims in the OpenFEMA record since 1978, 20 of them paid for a total of $346K.

That is 6.7% of the 462 claims recorded across Waukesha County. The average paid claim in the ZIP is $17K, lower than the county average of $26K and the Wisconsin average of $20K.

FEMA counts 5 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 594 residential flood policies in force, covering 0.6% of residential structures.

31NFIP claims since 1978
20paid claims
$346Ktotal paid
$17Kaverage paid claim

Compared with the county and state

MeasureZIP 53045WaukeshaWisconsinUS
Claims since 1978314629,5222,680,429
Share of claims paid65%77%76%78%
Average paid claim$17K$26K$20K$43K
Share of county claims6.7%100%——
Repetitive-loss properties533694—

Claims by year of loss

197820022026
NFIP claims in ZIP 53045 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s2$5,469
1980s3$1,841
1990s2$11,960
2000s14$220,951
2010s4$36,900
2020s6$68,523
Year of lossClaimsPaid claimsAmount paidAverage paid
202553$45,181$15,060
202211$23,341$23,341
201910$0—
201032$36,900$18,450
200943$39,329$13,110
200895$174,915$34,983
200011$6,707$6,707
199822$11,960$5,980
198610$0—
198211$1,586$1,586
198011$254$254
197921$5,469$5,469

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: Waukesha County

Waukesha County has 1,260 weather events in the NCEI record since 1950 (42 in the last 12 months), 19 federal disaster declarations, and an overall National Risk Index rating of "Relatively Moderate". Flood-type events recorded in the county: 64; hurricane-strength tracks within 50 miles: 0.

Hail: 260 · Tornado: 40 · Flood: 64 · Wind: 416 · Winter: 236 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 53045?

31 claims since 1978 in the OpenFEMA NFIP claims file, 20 of them with a payment.

How much has the NFIP paid out in ZIP 53045?

$346K across 20 paid claims (building, contents and increased-cost-of-compliance payments combined), about $17K per paid claim.

Which year had the most flood claims in 53045?

2008, with 9 claims and $175K paid.

What county is ZIP 53045 in?

Most claims in this ZIP carry the county code for Waukesha County, Wisconsin; 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.