Suffolk, NY
Suffolk County in New York has 16 FEMA disaster declarations on record covering 1971–2021, most recently Remnants of Hurricane Ida on Sep 5, 2021 (DR-4615). Its flood risk grade is A (Low risk), ranking #178 of 3,277 U.S. counties, with 233 NFIP flood insurance claims totaling $6,039,859 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Suffolk County
The 16 most recent federally declared disasters affecting Suffolk County, NY (1971–2021). Total declarations on record: 16.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Sep 5, 2021 | Hurricane | Remnants of Hurricane Ida | DR-4615 |
| Sep 2, 2021 | Hurricane | Remnants of Hurricane Ida | DR-3572 |
| Aug 22, 2021 | Hurricane | Hurricane Henri | DR-3565 |
| Oct 2, 2020 | Hurricane | Tropical Storm Isaias | DR-4567 |
| Oct 30, 2012 | Hurricane | Hurricane Sandy | DR-4085 |
| Oct 28, 2012 | Hurricane | Hurricane Sandy | DR-3351 |
| Aug 31, 2011 | Hurricane | Hurricane Irene | DR-4020 |
| Aug 26, 2011 | Hurricane | Hurricane Irene | DR-3328 |
| Sep 30, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3262 |
| Sep 19, 1999 | Hurricane | Hurricane Floyd Major Disaster Declarations | DR-1296 |
| Dec 21, 1992 | Flood | Coastal Storm, High Tides, Heavy Rain, & Flooding | DR-974 |
| Sep 16, 1991 | Hurricane | Hurricane Bob | DR-918 |
| Oct 18, 1985 | Hurricane | Hurricane Gloria | DR-750 |
| Apr 17, 1984 | Flood | Coastal Storms & Flooding | DR-702 |
| Sep 3, 1976 | Hurricane | Hurricane Belle | DR-520 |
| Sep 13, 1971 | Flood | Severe Storms & Flooding | DR-311 |
Score Breakdown
The composite score of 20 is calculated from four weighted factors. See our methodology for details.
Other Counties in New York
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Bronx | A | 20 | 47 | 10 |
| New York | B | 21 | 34 | 11 |
| Kings | B | 21 | 106 | 11 |
| Niagara | A | 18 | 10 | 6 |
| Orange | B | 23 | 30 | 14 |
| Queens | B | 23 | 213 | 12 |
More Counties in New York
Frequently Asked Questions
How many FEMA disaster declarations does Suffolk County, NY have?
Suffolk County, NY has 16 federal disaster declarations on FEMA record (1971–2021). The 5 most recent are: Remnants of Hurricane Ida (declared Sep 5, 2021, DR-4615); Remnants of Hurricane Ida (declared Sep 2, 2021, DR-3572); Hurricane Henri (declared Aug 22, 2021, DR-3565); Tropical Storm Isaias (declared Oct 2, 2020, DR-4567); Hurricane Sandy (declared Oct 30, 2012, DR-4085). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Suffolk County, NY?
Suffolk County is graded A (composite score 20/100, low risk). It ranks #178 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 Suffolk County?
233 NFIP flood insurance claims have been filed in Suffolk County, NY, totaling $6,039,859 in payouts. The average claim is $25,922. Source: FEMA FimaNfipClaims v2 dataset.
Has Suffolk County, NY had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Suffolk County was Remnants of Hurricane Ida on Sep 5, 2021 (DR-4615). The county has 16 declared disasters in the OpenFEMA record covering 1971–2021.
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.
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.