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A

Hamilton, NY

Flood Risk Score: 10/100 · Rank #2187 of 3,277 counties

Hamilton County in New York has 5 FEMA disaster declarations on record covering 2005–2024, most recently Severe Storm, Tornadoes, and Flooding on Aug 29, 2024 (DR-4814). Its flood risk grade is A (Low risk), ranking #2187 of 3,277 U.S. counties, with 2 NFIP flood insurance claims totaling $30,947 in payouts. Flood risk is relatively low compared to the national average.

10
Risk Score
2
NFIP Claims
$30,947
Total Payouts
5
Disasters
$15,474
Avg Claim
2
Active Policies

FEMA Disaster Declarations in Hamilton County

The 5 most recent federally declared disasters affecting Hamilton County, NY (2005–2024). Total declarations on record: 5.

DeclaredIncident TypeTitleFEMA Disaster #
Aug 29, 2024FloodSevere Storm, Tornadoes, and FloodingDR-4814
Oct 28, 2012HurricaneHurricane SandyDR-3351
Aug 31, 2011HurricaneHurricane IreneDR-4020
Jun 10, 2011FloodSevere Storms, Flooding, Tornadoes, and Straight-Line WindsDR-1993
Sep 30, 2005HurricaneHurricane Katrina EvacuationDR-3262

Score Breakdown

The composite score of 10 is calculated from four weighted factors. See our methodology for details.

Claims Density
40%
0
Disaster Frequency
25%
11
Claim Severity
20%
0
Year-over-Year Trend
15%
50

Other Counties in New York

CountyGradeScoreClaimsDisasters
SenecaA1034
JeffersonA10135
OrleansA1024
St. LawrenceA1065
WayneA10135
SaratogaA1015
View All Counties in New York

Frequently Asked Questions

How many FEMA disaster declarations does Hamilton County, NY have?

Hamilton County, NY has 5 federal disaster declarations on FEMA record (2005–2024). The 5 most recent are: Severe Storm, Tornadoes, and Flooding (declared Aug 29, 2024, DR-4814); Hurricane Sandy (declared Oct 28, 2012, DR-3351); Hurricane Irene (declared Aug 31, 2011, DR-4020); Severe Storms, Flooding, Tornadoes, and Straight-Line Winds (declared Jun 10, 2011, DR-1993); Hurricane Katrina Evacuation (declared Sep 30, 2005, DR-3262). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.

What is the flood risk grade for Hamilton County, NY?

Hamilton County is graded A (composite score 10/100, low risk). It ranks #2187 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 Hamilton County?

2 NFIP flood insurance claims have been filed in Hamilton County, NY, totaling $30,947 in payouts. The average claim is $15,474. Source: FEMA FimaNfipClaims v2 dataset.

Has Hamilton County, NY had any recent flood disasters?

Yes. The most recent FEMA declaration affecting Hamilton County was Severe Storm, Tornadoes, and Flooding on Aug 29, 2024 (DR-4814). The county has 5 declared disasters in the OpenFEMA record covering 2005–2024.

The this entity record above pulls directly from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims. What follows is the per-entity context — how this entity sits in the broader U.S. flood risk, NFIP claims, and disaster declarations distribution and which underlying factors drive the headline numbers.

The methodology behind every numeric value on this page is publicly documented on the FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.

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.