Nantucket, MA
Nantucket County in Massachusetts has 10 FEMA disaster declarations on record covering 1978–2023, most recently Hurricane Lee on Sep 15, 2023 (DR-3599). Its flood risk grade is A (Low risk), ranking #3212 of 3,277 U.S. counties, with 24 NFIP flood insurance claims totaling $258,349 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Nantucket County
The 10 most recent federally declared disasters affecting Nantucket County, MA (1978–2023). Total declarations on record: 10.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Sep 15, 2023 | Hurricane | Hurricane Lee | DR-3599 |
| Dec 19, 2012 | Hurricane | Hurricane Sandy | DR-4097 |
| Oct 28, 2012 | Hurricane | Hurricane Sandy | DR-3350 |
| Aug 26, 2011 | Hurricane | Hurricane Irene | DR-3330 |
| Sep 2, 2010 | Hurricane | Hurricane Earl | DR-3315 |
| Sep 13, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3252 |
| Dec 21, 1992 | Coastal Storm | Winter Coastal Storm | DR-975 |
| Nov 4, 1991 | Coastal Storm | Coastal Storm | DR-920 |
| Aug 26, 1991 | Hurricane | Hurricane Bob | DR-914 |
| Feb 10, 1978 | Flood | Coastal Storms, Flood, Ice & Snow | DR-546 |
Score Breakdown
The composite score of 7 is calculated from four weighted factors. See our methodology for details.
Other Counties in Massachusetts
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Statewide | A | 9 | 0 | 2 |
| Plymouth | A | 10 | 177 | 16 |
| Suffolk | A | 11 | 47 | 16 |
| Hampshire | A | 11 | 4 | 7 |
| Norfolk | A | 11 | 72 | 17 |
| Berkshire | A | 11 | 1 | 7 |
More Counties in Massachusetts
Frequently Asked Questions
How many FEMA disaster declarations does Nantucket County, MA have?
Nantucket County, MA has 10 federal disaster declarations on FEMA record (1978–2023). The 5 most recent are: Hurricane Lee (declared Sep 15, 2023, DR-3599); Hurricane Sandy (declared Dec 19, 2012, DR-4097); Hurricane Sandy (declared Oct 28, 2012, DR-3350); Hurricane Irene (declared Aug 26, 2011, DR-3330); Hurricane Earl (declared Sep 2, 2010, DR-3315). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Nantucket County, MA?
Nantucket County is graded A (composite score 7/100, low risk). It ranks #3212 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 Nantucket County?
24 NFIP flood insurance claims have been filed in Nantucket County, MA, totaling $258,349 in payouts. The average claim is $10,765. Source: FEMA FimaNfipClaims v2 dataset.
Has Nantucket County, MA had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Nantucket County was Hurricane Lee on Sep 15, 2023 (DR-3599). The county has 10 declared disasters in the OpenFEMA record covering 1978–2023.
this entity is one of the data points covered by this site’s U.S. flood risk, NFIP claims, and disaster declarations dataset. The detail above comes directly from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims; the context that follows situates the headline numbers against the broader distribution across U.S. ZIPs, counties, and states.
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.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. ZIPs, counties, and states. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: FEMA OpenFEMA datasets, 2026.