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St. Clair County, IL flood insurance claims history

1,469 National Flood Insurance Program claims have been filed for flood losses in St. Clair County since 1978, and FEMA has paid out $7.8M on them. The worst year was 1993 with 299 claims. St. Clair County ranks #10 of 101 in Illinois by claim count.

At a glance

  • 51% of claims came from buildings outside FEMA’s high-risk flood zones (B, C or X), where lenders usually do not require flood insurance.
  • 17% of all claims trace to a single event — Midwest Flooding (1993), which paid $384K here.
  • Flood claims were filed in 10 of the last 10 years — flooding here is a regular event, not a once-in-a-generation one.
  • More flood claims than 91% of the 101 Illinois counties with any claims on file — and more than all 5 of its neighbors.
  • ZIP 62203 has the most claims in the county (283, 19%). Check your ZIP →
NFIP claims
1,469
1978 – 2026
Total paid
$7.8M
nominal dollars, not inflation-adjusted
Claims paid
69%
1,011 received a payment
Average payout
$8K
per paid claim
Last 10 years
285
claims 2017 – 2026
Most recent loss
2026-08-06
data as of 2026-09-07

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Pick your ZIP code to see how many insured buildings there filed flood claims, in which years, and how much was paid. Narrow by year or flood zone too. Everything runs in your browser — nothing you pick is sent anywhere.

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Flood claims by year

Peak: 299 claims in 1993

Claims by year of loss, 1978–2026. Spikes line up with named storms and major rain events; quiet years still see claims from local flash flooding.

Biggest flood events in St. Clair County

Flood event (FEMA name)ClaimsPaidAvg / claimYear
Midwest Flooding247$384K$2K1993
Flooding (FEMA general label)145$475K$3K1995
Late July Flooding80$1.6M$20K2022
Mid-spring storms30$311K$10K2013
Hurricane Ike29$210K$7K2008
March storm13$19K$1K2008
Flooding (FEMA general label)12$19K$2K1982
Early winter storms11$193K$18K2015
Flooding (FEMA general label)8$13K$2K1994
Flooding (FEMA general label)8$121K$15K1986
Mid-spring storms7$16K$2K2011
Central U.S. April Flooding5$81K$16K2025

41% of claims here fall under these 12 entries. “FEMA general label” groups many separate floods under one name; the rest of the claims have no event name.

Claims by flood zone

Not sure what the zone letters mean? Flood zones explained →

High-risk A zones: 679 (46%)Coastal high-risk V zones: 1 (0%)Moderate / low-risk zones (B, C, X): 710 (48%)Zone not recorded: 79 (5%)
Flood zone at ratingClaimsPaidAvg / claim
High-risk A zones (A, AE, AH, AO, A1–A30, AR)679$5.3M$8K
Coastal high-risk V zones (V, VE, V1–V30)1$32K$32K
Moderate / low-risk zones (B, C, X)710$2.3M$3K
Zone not recorded79$145K$2K

What caused the flooding

Cause of damage (as coded by FEMA)ClaimsShare
Accumulation of rainfall or snowmelt72649%
Stream, river or lake overflow50835%
Tidal water overflow (storm surge)1269%
Other causes876%
Alluvial fan overflow91%
Not recorded70%

Flood claims by ZIP code in St. Clair County

27 ZIP codes in St. Clair County have at least one NFIP claim. ZIP codes can cross county lines; this table counts only claims FEMA assigned to St. Clair County.

62203283$2.2M19%342025
62205195$576K13%312025
62206177$923K12%332025
62239172$172K12%102024
6220487$136K6%272025
6224079$302K5%72024
6220176$290K5%242026
6223262$362K4%192024
6220752$73K4%202024
6222048$454K3%132024
6222139$282K3%172024
6222639$466K3%172025
6226933$354K2%152023
6222322$125K1%132024
6223417$207K1%92020
6226416$194K1%72024
6225416$154K1%112026
6225815$85K1%72024
6220812$16K1%92024
622896$68K0%52025
620595$4K0%42017
622435$154K0%42017
622604$54K0%42024
622363$1K0%11993
620012$4K0%21998
622612$152K0%22008
Not reported2$19K0%11993

Click a column to sort. Click a ZIP to load it in the lookup above.

When does St. Clair County flood?

July accounts for the most flood losses (376 claims, 26%). Claims by month of loss:

MonthClaimsShare
January151%
February302%
March413%
April33523%
May21715%
June977%
July37626%
August18713%
September755%
October161%
November453%
December352%

Year-by-year detail

Year of lossClaimsPaid
20263$4K
202514$157K
2024114$1.3M
202313$164K
202298$1.7M
20211$0
20207$54K
20197$101K
201815$58K
201713$66K
201613$80K
201547$311K
20143$11K
201341$337K
20126$7K
201130$122K
201022$67K
20094$16K
200846$240K
20072$10K
20066$7K
200512$27K
200414$28K
200314$23K
200216$22K
20011$0
200012$250K
199912$31K
199833$76K
19973$2K
1996211$1.1M
1995148$478K
199429$27K
1993299$517K
199011$27K
19891$0
19882$3K
19876$0
198614$133K
19854$0
19844$0
198316$15K
198220$35K
19817$4K
19808$1K
197955$148K
197812$14K

Neighboring counties

St. Clair County borders 5 areas we cover. Flood risk does not stop at a county line, so it is worth comparing.

NeighborClaimsPaidOutside high-risk
St. Clair County (this page)1,469$7.8M51%
Madison County1,087$8.0M35%
Monroe County689$22.7M4%
Randolph County182$2.7M9%
Clinton County29$646K18%
Washington County8$174K0%

All 101 Illinois counties → · County and ZIP rankings →

Common questions about flooding in St. Clair County

Has St. Clair County flooded recently?
Yes — the most recent flood loss with an insurance claim on file was on 2026-08-06, and claims were filed in 10 of the last 10 years (285 claims from 2017 to 2026). FEMA’s data runs to 2026-09-07, so the newest events may not appear yet.
Do I need flood insurance in a low-risk zone here?
Lenders generally require it only in high-risk A and V zones. But 51% of St. Clair County’s claims came from moderate- and low-risk zones. Whether to buy coverage is your call — see flood zones explained and check your address on the FEMA Flood Map Service Center.
Can I see whether a specific house has flooded?
Not here. FEMA removes addresses before publishing, so these figures describe areas, never a property. Our guide how to check if a house has flooded lists the questions and records that can tell you about a specific home.
Why might the real number of floods be higher?
Only buildings with National Flood Insurance can file these claims, and most homes are not insured for flood. More on what the counts mean in understanding NFIP claims data.

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About these numbers

Figures are aggregated from FEMA’s OpenFEMA NFIP Redacted Claims dataset (county FIPS 17163, data as of 2026-09-07). They cover only properties that carried National Flood Insurance — most homes do not, and private flood policies are not included — so real flood damage is larger than these counts show. Dollar amounts are as paid, in nominal dollars. Flood zone is the zone used to rate the policy at the time, which may differ from today’s map. FEMA states this dataset is not an official federal report. Use it for background, not for a purchase, insurance or legal decision; for a specific property ask the seller for its flood disclosure or the owner’s NFIP loss history.

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