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Montgomery, PA

Flood Risk Score: 19/100 · Rank #231 of 3,277 counties

Montgomery County in Pennsylvania has 15 FEMA disaster declarations on record covering 1971–2021, most recently Remnants of Hurricane Ida on Sep 10, 2021 (DR-4618). Its flood risk grade is A (Low risk), ranking #231 of 3,277 U.S. counties, with 193 NFIP flood insurance claims totaling $11,129,449 in payouts. Flood risk is relatively low compared to the national average.

19
Risk Score
193
NFIP Claims
$11,129,449
Total Payouts
15
Disasters
$57,666
Avg Claim
193
Active Policies

FEMA Disaster Declarations in Montgomery County

The 15 most recent federally declared disasters affecting Montgomery County, PA (1971–2021). Total declarations on record: 15.

DeclaredIncident TypeTitleFEMA Disaster #
Sep 10, 2021HurricaneRemnants of Hurricane IdaDR-4618
Jan 10, 2013HurricaneHurricane SandyDR-4099
Oct 29, 2012HurricaneHurricane SandyDR-3356
Sep 12, 2011FloodTropical Storm LeeDR-4030
Sep 8, 2011FloodRemnants of Tropical Storm LeeDR-3340
Sep 3, 2011HurricaneHurricane IreneDR-4025
Aug 29, 2011HurricaneHurricane IreneDR-3339
Sep 10, 2005HurricaneHurricane Katrina DR-3235
Sep 19, 2004HurricaneTropical Depression IvanDR-1557
Sep 18, 1999HurricaneHurricane Floyd Major Disaster DeclarationsDR-1294
Sep 13, 1996FloodFlooding Associated With Tropical Depression FranDR-1138
Jan 21, 1996FloodSevere Storms and FloodingDR-1093
Jul 17, 1973FloodSevere Storms & FloodingDR-400
Jun 23, 1972FloodTropical Storm AgnesDR-340
Sep 18, 1971FloodFloodsDR-312

Score Breakdown

The composite score of 19 is calculated from four weighted factors. See our methodology for details.

Claims Density
40%
2
Disaster Frequency
25%
32
Claim Severity
20%
1
Year-over-Year Trend
15%
69

Other Counties in Pennsylvania

CountyGradeScoreClaimsDisasters
DauphinA193412
LehighA19228
HuntingdonA201110
MonroeA20912
SomersetA20910
BlairA20239
View All Counties in Pennsylvania

Frequently Asked Questions

How many FEMA disaster declarations does Montgomery County, PA have?

Montgomery County, PA has 15 federal disaster declarations on FEMA record (1971–2021). The 5 most recent are: Remnants of Hurricane Ida (declared Sep 10, 2021, DR-4618); Hurricane Sandy (declared Jan 10, 2013, DR-4099); Hurricane Sandy (declared Oct 29, 2012, DR-3356); Tropical Storm Lee (declared Sep 12, 2011, DR-4030); Remnants of Tropical Storm Lee (declared Sep 8, 2011, DR-3340). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.

What is the flood risk grade for Montgomery County, PA?

Montgomery County is graded A (composite score 19/100, low risk). It ranks #231 of 3,277 U.S. counties for flood risk in our scoring model. The grade combines NFIP claims density (40%), disaster frequency (25%), claim severity (20%), and year-over-year trend (15%).

How many NFIP flood insurance claims have been filed in Montgomery County?

193 NFIP flood insurance claims have been filed in Montgomery County, PA, totaling $11,129,449 in payouts. The average claim is $57,666. Source: FEMA FimaNfipClaims v2 dataset.

Has Montgomery County, PA had any recent flood disasters?

Yes. The most recent FEMA declaration affecting Montgomery County was Remnants of Hurricane Ida on Sep 10, 2021 (DR-4618). The county has 15 declared disasters in the OpenFEMA record covering 1971–2021.

For this entity, the underlying data on this page comes from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.

Every number on this page links back to FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.

For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. ZIPs, counties, and states with similar size, similar exposure, or similar geography — not the national-level summary alone.

Source: FEMA OpenFEMA datasets, 2026.