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Wilson County, TX flood insurance claims history

71 National Flood Insurance Program claims have been filed for flood losses in Wilson County since 1978, and FEMA has paid out $2.0M on them. The worst year was 1998 with 22 claims. Wilson County ranks #104 of 217 in Texas by claim count.

At a glance

  • 48% of claims came from buildings outside FEMA’s high-risk flood zones (B, C or X), where lenders usually do not require flood insurance.
  • Flood claims were filed in 5 of the last 10 years.
  • More flood claims than 52% of the 217 Texas counties with any claims on file — and more than 2 of its 5 neighbors.
  • ZIP 78121 has the most claims in the county (29, 41%). Check your ZIP →
NFIP claims
71
1978 – 2021
Total paid
$2.0M
nominal dollars, not inflation-adjusted
Claims paid
89%
63 received a payment
Average payout
$32K
per paid claim
Last 10 years
10
claims 2012 – 2021
Most recent loss
2021-10-14
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: 22 claims in 1998
 
 
'80
 
 
 
 
'85
 
 
 
 
'90
 
 
 
 
'95
 
 
 
 
'00
 
 
 
 
'05
 
 
 
 
'10
 
 
 
 
'15
 
 
 
 
'20
 

Claims by year of loss, 1978–2021. Spikes line up with named storms and major rain events; quiet years still see claims from local flash flooding.

Biggest flood events in Wilson County

Flood event (FEMA name)ClaimsPaidAvg / claimYear
Flooding (FEMA general label)22$967K$44K1998
Torrential rain (FEMA general label)12$475K$40K2002
Hurricane Allen1$0$01980
Early summer storms1$1K$1K2015

51% of claims here fall under these 4 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: 36 (51%)Coastal high-risk V zones: 0 (0%)Moderate / low-risk zones (B, C, X): 33 (46%)Zone not recorded: 2 (3%)
Flood zone at ratingClaimsPaidAvg / claim
High-risk A zones (A, AE, AH, AO, A1–A30, AR)36$1.1M$30K
Moderate / low-risk zones (B, C, X)33$940K$28K
Zone not recorded2$15K$8K

What caused the flooding

Cause of damage (as coded by FEMA)ClaimsShare
Accumulation of rainfall or snowmelt3549%
Stream, river or lake overflow2839%
Tidal water overflow (storm surge)57%
Other causes11%
Alluvial fan overflow11%
Not recorded11%

Flood claims by ZIP code in Wilson County

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

7812129$867K41%112014
7811411$451K15%42016
7816010$218K14%72021
781478$169K11%52016
781614$259K6%11998
781122$2K3%22010
781132$16K3%22002
781012$36K3%22002
781401$7K1%12021
1$4001%11978
782161$01%11980

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

When does Wilson County flood?

October accounts for the most flood losses (25 claims, 35%). Claims by month of loss:

MonthClaimsShare
January00%
February11%
March11%
April11%
May913%
June46%
July1217%
August913%
September34%
October2535%
November68%
December00%

Year-by-year detail

Year of lossClaimsPaid
20213$8K
20163$32K
20151$1K
20141$60K
20122$40K
20111$0
20102$0
20091$14K
20073$26K
20049$278K
20031$44K
200212$475K
20014$50K
199822$967K
19931$2K
19921$24K
19901$962
19871$1K
19801$0
19781$400

Neighboring counties

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

NeighborClaimsPaidOutside high-risk
Wilson County (this page)71$2.0M48%
Guadalupe County2,456$109.5M29%
Bexar County2,309$33.8M56%
Gonzales County219$6.4M22%
Atascosa County36$516K62%
Karnes County15$105K54%

All 217 Texas counties → · County and ZIP rankings →

Common questions about flooding in Wilson County

Has Wilson County flooded recently?
Yes — the most recent flood loss with an insurance claim on file was on 2021-10-14, and claims were filed in 5 of the last 10 years (10 claims from 2012 to 2021). 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 48% of Wilson 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 48493, 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.