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Home › Flood claims › Pennsylvania

Pennsylvania flood insurance claims by county

77,060 National Flood Insurance Program claims across 67 Pennsylvania counties since 1978, with $1.44B paid. The worst year statewide was 1996 (11,075 claims), and September is the peak month for flood losses. Pick a county for ZIP-level detail.

NFIP claims
77,060
1978 – 2026
Total paid
$1.44B
nominal dollars
Counties with claims
67
each has its own page
Outside high-risk zones
29%
of claims with a known zone

Pennsylvania flood claims map

Darker counties have filed more federal flood insurance claims since 1978. Hover or tap for the numbers; click one to open its full record.

Pennsylvania counties shaded by NFIP flood claimsAdams County, PA: 400 claims, $6.7M paidPotter County, PA: 90 claims, $1.1M paidSullivan County, PA: 134 claims, $3.9M paidBucks County, PA: 5,260 claims, $149.8M paidCarbon County, PA: 94 claims, $451K paidMcKean County, PA: 158 claims, $1.0M paidMontour County, PA: 154 claims, $3.2M paidFulton County, PA: 16 claims, $363K paidColumbia County, PA: 2,200 claims, $63.2M paidCameron County, PA: 73 claims, $532K paidElk County, PA: 322 claims, $8.3M paidBradford County, PA: 898 claims, $24.8M paidBedford County, PA: 1,185 claims, $13.4M paidYork County, PA: 1,753 claims, $20.7M paidMonroe County, PA: 436 claims, $14.8M paidForest County, PA: 14 claims, $194K paidBerks County, PA: 1,313 claims, $23.6M paidCambria County, PA: 802 claims, $3.2M paidFranklin County, PA: 188 claims, $1.1M paidSnyder County, PA: 904 claims, $12.4M paidSomerset County, PA: 395 claims, $2.6M paidClarion County, PA: 189 claims, $2.9M paidIndiana County, PA: 387 claims, $2.4M paidLackawanna County, PA: 1,369 claims, $20.5M paidWyoming County, PA: 1,189 claims, $28.6M paidLawrence County, PA: 207 claims, $2.0M paidMercer County, PA: 120 claims, $880K paidLehigh County, PA: 967 claims, $12.4M paidNorthampton County, PA: 1,561 claims, $48.4M paidCumberland County, PA: 1,600 claims, $16.9M paidFayette County, PA: 722 claims, $10.1M paidJefferson County, PA: 373 claims, $7.7M paidCentre County, PA: 339 claims, $3.0M paidLebanon County, PA: 1,005 claims, $15.9M paidUnion County, PA: 927 claims, $11.8M paidClinton County, PA: 911 claims, $8.2M paidChester County, PA: 1,914 claims, $37.6M paidMontgomery County, PA: 6,200 claims, $185.3M paidWayne County, PA: 221 claims, $4.7M paidPike County, PA: 219 claims, $3.0M paidSusquehanna County, PA: 506 claims, $13.4M paidAllegheny County, PA: 4,832 claims, $81.6M paidClearfield County, PA: 537 claims, $5.9M paidButler County, PA: 874 claims, $15.4M paidBeaver County, PA: 832 claims, $13.7M paidCrawford County, PA: 330 claims, $1.7M paidWashington County, PA: 1,131 claims, $21.1M paidVenango County, PA: 429 claims, $5.9M paidWarren County, PA: 126 claims, $1.1M paidBlair County, PA: 1,117 claims, $8.5M paidHuntingdon County, PA: 531 claims, $8.8M paidLancaster County, PA: 2,106 claims, $32.8M paidLuzerne County, PA: 4,147 claims, $93.9M paidWestmoreland County, PA: 1,612 claims, $21.6M paidJuniata County, PA: 178 claims, $1.1M paidArmstrong County, PA: 437 claims, $6.2M paidTioga County, PA: 234 claims, $3.5M paidDelaware County, PA: 3,034 claims, $57.2M paidNorthumberland County, PA: 1,721 claims, $24.2M paidMifflin County, PA: 487 claims, $3.9M paidLycoming County, PA: 3,878 claims, $58.3M paidPerry County, PA: 749 claims, $7.4M paidPhiladelphia County, PA: 1,700 claims, $47.6M paidSchuylkill County, PA: 1,041 claims, $26.3M paidDauphin County, PA: 5,248 claims, $86.1M paidGreene County, PA: 265 claims, $3.5M paidErie County, PA: 512 claims, $6.0M paid
NFIP claims since 1978:under 210210–440440–910910–1,6101,610+not coveredTotals count insured buildings only and are not adjusted for population, so large, coastal and riverside counties lead.

Pennsylvania flood claims by year

Peak: 11,075 claims in 1996

All Pennsylvania NFIP claims by year of loss.

Pennsylvania counties by flood claims

Montgomery County6,200$185.3M36%2011Hurricane Ida (2021)
Bucks County5,260$149.8M26%2005Tropical Storm Ivan (2004)
Dauphin County5,248$86.1M21%2011Tropical Storm Lee (2011)
Allegheny County4,832$81.6M34%2004Tropical Storm Ivan (2004)
Luzerne County4,147$93.9M49%2011Tropical Storm Lee (2011)
Lycoming County3,878$58.3M13%1996Tropical Storm Ivan (2004)
Delaware County3,034$57.2M32%1999Hurricane Floyd (1999)
Columbia County2,200$63.2M27%2011Tropical Storm Lee (2011)
Lancaster County2,106$32.8M24%2011Tropical Storm Lee (2011)
Chester County1,914$37.6M29%2021Hurricane Ida (2021)
York County1,753$20.7M38%2011Tropical Storm Lee (2011)
Northumberland County1,721$24.2M22%2011Tropical Storm Lee (2011)
Philadelphia County1,700$47.6M41%2020Hurricane Isaias (2020)
Westmoreland County1,612$21.6M35%1996Tropical Storm Ivan (2004)
Cumberland County1,600$16.9M36%2011Tropical Storm Ivan (2004)
Northampton County1,561$48.4M27%2004Tropical Storm Ivan (2004)
Lackawanna County1,369$20.5M23%1996Tropical Storm Ivan (2004)
Berks County1,313$23.6M37%2006Not a named storm (1979)
Wyoming County1,189$28.6M30%2011Tropical Storm Lee (2011)
Bedford County1,185$13.4M14%1996Tropical Storm Ivan (2004)
Washington County1,131$21.1M22%1996Tropical Storm Ivan (2004)
Blair County1,117$8.5M26%2004Tropical Storm Ivan (2004)
Schuylkill County1,041$26.3M16%2006Tropical Storm Lee (2011)
Lebanon County1,005$15.9M28%1979Not a named storm (1979)
Lehigh County967$12.4M33%1979Not a named storm (1979)
Union County927$11.8M11%1996Tropical Storm Ivan (2004)
Clinton County911$8.2M13%2004Tropical Storm Ivan (2004)
Snyder County904$12.4M13%1996Tropical Storm Ivan (2004)
Bradford County898$24.8M34%2011Tropical Storm Lee (2011)
Butler County874$15.4M17%2004Tropical Storm Ivan (2004)
Beaver County832$13.7M16%2004Tropical Storm Ivan (2004)
Cambria County802$3.2M41%1996Hurricane Ida (2021)
Perry County749$7.4M25%1996Tropical Storm Ivan (2004)
Fayette County722$10.1M21%1996Tropical Storm Ivan (2004)
Clearfield County537$5.9M26%1996Tropical Storm Ivan (2004)
Huntingdon County531$8.8M27%2004Tropical Storm Ivan (2004)
Erie County512$6.0M41%1985Hurricane Sandy (2012)
Susquehanna County506$13.4M32%2011Tropical Storm Lee (2011)
Mifflin County487$3.9M35%1996Tropical Storm Ivan (2004)
Armstrong County437$6.2M30%2004Tropical Storm Ivan (2004)
Monroe County436$14.8M34%2006Tropical Storm Ivan (2004)
Venango County429$5.9M54%1981Not a named storm (1979)
Adams County400$6.7M28%2011Tropical Storm Lee (2011)
Somerset County395$2.6M25%1996Tropical Storm Ivan (2004)
Indiana County387$2.4M30%2004Tropical Storm Ivan (2004)
Jefferson County373$7.7M36%1996Tropical Storm Ivan (2004)
Centre County339$3.0M27%2004Tropical Storm Ivan (2004)
Crawford County330$1.7M27%2004Tropical Storm Ivan (2004)
Elk County322$8.3M17%2014Tropical Storm Ivan (2004)
Greene County265$3.5M29%2004Tropical Storm Ivan (2004)
Tioga County234$3.5M33%1996Hurricane Debby (2024)
Wayne County221$4.7M39%2006Tropical Storm Ivan (2004)
Pike County219$3.0M58%2006Tropical Storm Ivan (2004)
Lawrence County207$2.0M26%2004Tropical Storm Ivan (2004)
Clarion County189$2.9M29%1996Tropical Storm Ivan (2004)
Franklin County188$1.1M39%1996Not a named storm (1979)
Juniata County178$1.1M26%1996Tropical Storm Ivan (2004)
McKean County158$1.0M29%1999Not a named storm (1979)
Montour County154$3.2M43%2011Tropical Storm Lee (2011)
Sullivan County134$3.9M13%2011Tropical Storm Lee (2011)
Warren County126$1.1M24%1992—
Mercer County120$880K42%2003Tropical Storm Ivan (2004)
Carbon County94$451K37%1996Tropical Storm Ivan (2004)
Potter County90$1.1M15%1996Hurricane Debby (2024)
Cameron County73$532K33%1996Tropical Storm Ivan (2004)
Fulton County16$363K7%2004Tropical Storm Ivan (2004)
Forest County14$194K10%2014Not a named storm (1979)

All 67 counties — click a column to sort.

Largest flood events in Pennsylvania

The floods that produced the most NFIP claims statewide. Open a flood to see which counties it hit and how hard — the same storm can account for most of one county’s claim history and almost none of its neighbour’s.

Flooding (FEMA general label) · 1996 — 9,654 claims, $121.4M paid · hardest hit: Dauphin County

Dauphin County filed 1,239 claims from this flood — 13% of every Pennsylvania claim from it, and 24% of that county’s entire claim history since 1978.

CountyClaimsPaidShare of county’s claims
Dauphin County1,239$12.0M24%
Lycoming County927$16.4M24%
Luzerne County709$6.9M17%
Allegheny County426$6.1M9%
Lackawanna County373$6.1M27%
Northumberland County349$4.4M20%
Bedford County342$4.9M29%
Blair County259$1.8M23%
Columbia County256$1.8M12%
Bucks County244$4.1M5%

Top 10 of 67 counties where this flood ranks among the county’s 25 biggest. They cover 99% of the 9,654 statewide claims from it; the rest are spread across counties where it did not rank that high, plus claims filed with no county code.

Tropical Storm Ivan · 2004 — 8,147 claims, $183.1M paid · hardest hit: Allegheny County

Allegheny County filed 1,082 claims from this flood — 13% of every Pennsylvania claim from it, and 22% of that county’s entire claim history since 1978.

CountyClaimsPaidShare of county’s claims
Allegheny County1,082$34.6M22%
Dauphin County920$14.2M18%
Lycoming County722$10.5M19%
Luzerne County530$9.6M13%
Bucks County399$20.5M8%
Northampton County320$10.4M20%
Northumberland County297$5.1M17%
Clinton County245$5.3M27%
Lackawanna County210$4.4M15%
Snyder County205$3.1M23%

Top 10 of 64 counties where this flood ranks among the county’s 25 biggest. Between them they account for essentially all of the 8,147 statewide claims from this flood.

Tropical Storm Lee · 2011 — 7,866 claims, $302.7M paid · hardest hit: Dauphin County

Dauphin County filed 1,636 claims from this flood — 21% of every Pennsylvania claim from it, and 31% of that county’s entire claim history since 1978.

CountyClaimsPaidShare of county’s claims
Dauphin County1,636$49.1M31%
Luzerne County776$61.8M19%
Columbia County773$38.5M35%
Lycoming County699$22.3M18%
Lancaster County460$15.8M22%
Northumberland County364$9.2M21%
Montgomery County342$9.8M6%
York County320$6.2M18%
Bradford County310$16.5M35%
Bucks County294$6.7M6%

Top 10 of 46 counties where this flood ranks among the county’s 25 biggest. Between them they account for essentially all of the 7,866 statewide claims from this flood.

Not a named storm · 1979 — 1,887 claims, $6.1M paid · hardest hit: Montgomery County

Montgomery County filed 302 claims from this flood — 16% of every Pennsylvania claim from it, and 5% of that county’s entire claim history since 1978.

CountyClaimsPaidShare of county’s claims
Montgomery County302$2.0M5%
Lebanon County298$680K30%
Berks County141$424K11%
Dauphin County135$295K3%
Chester County133$203K7%
Lancaster County129$279K6%
Cumberland County112$308K7%
Lehigh County111$461K11%
Luzerne County74$83K2%
York County49$120K3%

Top 10 of 48 counties where this flood ranks among the county’s 25 biggest. They cover 96% of the 1,887 statewide claims from it; the rest are spread across counties where it did not rank that high, plus claims filed with no county code.

Hurricane Ida · 2021 — 1,809 claims, $108.0M paid · hardest hit: Montgomery County

Montgomery County filed 598 claims from this flood — 33% of every Pennsylvania claim from it, and 10% of that county’s entire claim history since 1978.

CountyClaimsPaidShare of county’s claims
Montgomery County598$51.4M10%
Bucks County295$12.3M6%
Chester County180$12.9M9%
Philadelphia County123$17.7M7%
Allegheny County74$791K2%
York County65$1.4M4%
Bedford County62$1.4M5%
Lancaster County51$1.5M2%
Luzerne County44$573K1%
Berks County36$595K3%

Top 10 of 36 counties where this flood ranks among the county’s 25 biggest. Between them they account for essentially all of the 1,809 statewide claims from this flood.

Hurricane Floyd · 1999 — 1,759 claims, $54.3M paid · hardest hit: Montgomery County

Montgomery County filed 489 claims from this flood — 28% of every Pennsylvania claim from it, and 8% of that county’s entire claim history since 1978.

CountyClaimsPaidShare of county’s claims
Montgomery County489$22.7M8%
Delaware County427$10.8M14%
Bucks County321$11.1M6%
Philadelphia County183$5.7M11%
Chester County164$2.7M9%
Lancaster County65$709K3%
Berks County40$220K3%
Northampton County17$204K1%
Luzerne County11$23K0%
Lehigh County7$39K1%

Top 10 of 23 counties where this flood ranks among the county’s 25 biggest. Between them they account for essentially all of the 1,759 statewide claims from this flood.

Flooding (FEMA general label) · 1984 — 1,745 claims, $5.5M paid · hardest hit: Lycoming County

Lycoming County filed 390 claims from this flood — 22% of every Pennsylvania claim from it, and 10% of that county’s entire claim history since 1978.

CountyClaimsPaidShare of county’s claims
Lycoming County390$1.3M10%
Cumberland County209$586K13%
Clinton County144$375K16%
Northumberland County103$461K6%
Mifflin County90$263K18%
Bedford County88$479K7%
Perry County69$135K9%
Union County63$388K7%
Dauphin County53$107K1%
Huntingdon County41$122K8%

Top 10 of 47 counties where this flood ranks among the county’s 25 biggest. They cover 90% of the 1,745 statewide claims from it; the rest are spread across counties where it did not rank that high, plus claims filed with no county code.

Hurricane Irene · 2011 — 1,476 claims, $39.8M paid · hardest hit: Montgomery County

Montgomery County filed 424 claims from this flood — 29% of every Pennsylvania claim from it, and 7% of that county’s entire claim history since 1978.

CountyClaimsPaidShare of county’s claims
Montgomery County424$15.0M7%
Bucks County304$8.1M6%
Delaware County243$5.4M8%
Chester County101$2.2M5%
Philadelphia County70$2.7M4%
Northampton County61$1.3M4%
Dauphin County52$1.5M1%
Lehigh County47$470K5%
Wyoming County30$944K3%
Luzerne County23$508K1%

Top 10 of 31 counties where this flood ranks among the county’s 25 biggest. Between them they account for essentially all of the 1,476 statewide claims from this flood.

Hurricane Isaias · 2020 — 1,086 claims, $39.9M paid · hardest hit: Philadelphia County

Philadelphia County filed 247 claims from this flood — 23% of every Pennsylvania claim from it, and 15% of that county’s entire claim history since 1978.

CountyClaimsPaidShare of county’s claims
Philadelphia County247$8.8M15%
Montgomery County237$9.6M4%
Delaware County234$9.9M8%
Lehigh County86$3.0M9%
Berks County79$2.0M6%
Northampton County74$1.4M5%
Bucks County51$3.0M1%
Chester County50$864K3%
Monroe County20$1.0M5%
Pike County1$5K0%

Top 10 of 11 counties where this flood ranks among the county’s 25 biggest. They cover 99% of the 1,086 statewide claims from it; the rest are spread across counties where it did not rank that high, plus claims filed with no county code.

Tropical Storm Allison · 2001 — 548 claims, $25.1M paid · hardest hit: Montgomery County

Montgomery County filed 399 claims from this flood — 73% of every Pennsylvania claim from it, and 6% of that county’s entire claim history since 1978.

CountyClaimsPaidShare of county’s claims
Montgomery County399$22.1M6%
Bucks County120$2.5M2%
Delaware County20$185K1%
Philadelphia County3$14K0%
Allegheny County2$250K0%
Greene County2$2K1%
Cambria County1$00%
Montour County1$20K1%

8 counties where this flood ranks among the county’s 25 biggest. Together they cover every claim we can attribute to it.

Flooding (FEMA general label) · 1985 — 398 claims, $3.7M paid · hardest hit: Washington County

Washington County filed 132 claims from this flood — 33% of every Pennsylvania claim from it, and 12% of that county’s entire claim history since 1978.

CountyClaimsPaidShare of county’s claims
Washington County132$1.6M12%
Fayette County77$985K11%
Allegheny County68$607K1%
Erie County21$66K4%
Butler County17$31K2%
Westmoreland County12$27K1%
Somerset County9$10K2%
Greene County9$186K3%
Beaver County6$5K1%
Crawford County5$3K2%

Top 10 of 23 counties where this flood ranks among the county’s 25 biggest. They cover 95% of the 398 statewide claims from it; the rest are spread across counties where it did not rank that high, plus claims filed with no county code.

Flooding (FEMA general label) · 1987 — 363 claims, $3.1M paid · hardest hit: Lehigh County

Lehigh County filed 87 claims from this flood — 24% of every Pennsylvania claim from it, and 9% of that county’s entire claim history since 1978.

CountyClaimsPaidShare of county’s claims
Lehigh County87$1.9M9%
Berks County70$447K5%
Lancaster County67$316K3%
Dauphin County45$61K1%
Cumberland County20$11K1%
Northampton County12$95K1%
Carbon County12$38K13%
Montgomery County8$65K0%
Allegheny County6$8K0%
Luzerne County3$4K0%

Top 10 of 17 counties where this flood ranks among the county’s 25 biggest. They cover 94% of the 363 statewide claims from it; the rest are spread across counties where it did not rank that high, plus claims filed with no county code.

Flood claims outside the high-risk map

High-risk A zones: 50,228 (65%)Coastal high-risk V zones: 34 (0%)Moderate / low-risk zones (B, C, X): 20,355 (26%)Zone not recorded: 6,443 (8%)

Counties (with at least 100 claims) where the largest share of claims came from moderate- or low-risk zones:

CountyClaims in B / C / X zonesShare of all claims
Pike County10558%
Venango County18954%
Luzerne County1,93149%
Montour County6343%
Mercer County4442%
Erie County18341%
Cambria County25441%
Philadelphia County65941%
Franklin County6239%
Wayne County8039%

All 67 Pennsylvania counties

Adams County (400)Allegheny County (4,832)Armstrong County (437)Beaver County (832)Bedford County (1,185)Berks County (1,313)Blair County (1,117)Bradford County (898)Bucks County (5,260)Butler County (874)Cambria County (802)Cameron County (73)Carbon County (94)Centre County (339)Chester County (1,914)Clarion County (189)Clearfield County (537)Clinton County (911)Columbia County (2,200)Crawford County (330)Cumberland County (1,600)Dauphin County (5,248)Delaware County (3,034)Elk County (322)Erie County (512)Fayette County (722)Forest County (14)Franklin County (188)Fulton County (16)Greene County (265)Huntingdon County (531)Indiana County (387)Jefferson County (373)Juniata County (178)Lackawanna County (1,369)Lancaster County (2,106)Lawrence County (207)Lebanon County (1,005)Lehigh County (967)Luzerne County (4,147)Lycoming County (3,878)McKean County (158)Mercer County (120)Mifflin County (487)Monroe County (436)Montgomery County (6,200)Montour County (154)Northampton County (1,561)Northumberland County (1,721)Perry County (749)Philadelphia County (1,700)Pike County (219)Potter County (90)Schuylkill County (1,041)Snyder County (904)Somerset County (395)Sullivan County (134)Susquehanna County (506)Tioga County (234)Union County (927)Venango County (429)Warren County (126)Washington County (1,131)Wayne County (221)Westmoreland County (1,612)Wyoming County (1,189)York County (1,753)

Source: FEMA OpenFEMA NFIP Redacted Claims, U.S. government work. 1,257 Pennsylvania claims have no county code and appear only in the statewide totals. Counties with no NFIP claim on file do not have a page. Reference only — not for insurance, legal or real-estate decisions.

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