County Hazards

States › Illinois › Winnebago County › ZIP 61104

ZIP code 61104, Winnebago County, Illinois

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.

OpenFEMA lists 352 NFIP claims for ZIP 61104 (Winnebago County, Illinois), with $7.0M paid on 321 claims since 1978.

That is 20.4% of the 1,729 claims recorded across Winnebago County. The average paid claim in the ZIP is $22K, close to the county average of $19K and the Illinois average of $14K.

FEMA counts 69 repetitive-loss properties and 3 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 585 residential flood policies in force, covering 0.6% of residential structures.

352NFIP claims since 1978
321paid claims
$7.0Mtotal paid
$22Kaverage paid claim

Compared with the county and state

MeasureZIP 61104WinnebagoIllinoisUS
Claims since 19783521,72952,8902,680,429
Share of claims paid91%81%78%78%
Average paid claim$22K$19K$14K$43K
Share of county claims20.4%100%——
Repetitive-loss properties691604,160—

Claims by year of loss

197820022026
NFIP claims in ZIP 61104 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s2$3,052
1980s4$14,407
1990s7$27,526
2000s302$6,190,845
2010s5$110,468
2020s32$626,451
Year of lossClaimsPaid claimsAmount paidAverage paid
20243127$626,451$23,202
202110$0—
201811$9,919$9,919
201743$100,550$33,517
2007159150$3,295,992$21,973
2006141127$2,880,631$22,682
200211$5,437$5,437
200011$8,786$8,786
199675$27,526$5,505
198122$908$454
198022$13,499$6,749
197822$3,052$1,526

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: Winnebago County

Winnebago County has 888 weather events in the NCEI record since 1950 (49 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: 91; hurricane-strength tracks within 50 miles: 0.

Hail: 215 · Tornado: 25 · Flood: 91 · Wind: 384 · Winter: 83 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 61104?

352 claims since 1978 in the OpenFEMA NFIP claims file, 321 of them with a payment.

How much has the NFIP paid out in ZIP 61104?

$7.0M across 321 paid claims (building, contents and increased-cost-of-compliance payments combined), about $22K per paid claim.

Which year had the most flood claims in 61104?

2007, with 159 claims and $3.3M paid.

What county is ZIP 61104 in?

Most claims in this ZIP carry the county code for Winnebago County, Illinois; 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.