Grand Isle, VT
Grand Isle County in Vermont has 7 FEMA disaster declarations on record covering 1973–2023, most recently Severe Storms, Flooding, Landslides, and Mudslides on Jul 14, 2023 (DR-4720). Its flood risk grade is A (Low risk), ranking #1711 of 3,277 U.S. counties, with 0 NFIP flood insurance claims totaling $0 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Grand Isle County
The 7 most recent federally declared disasters affecting Grand Isle County, VT (1973–2023). Total declarations on record: 7.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Jul 14, 2023 | Flood | Severe Storms, Flooding, Landslides, and Mudslides | DR-4720 |
| Jul 10, 2023 | Flood | Flooding | DR-3595 |
| Aug 22, 2021 | Hurricane | Tropical Storm Henri | DR-3567 |
| Sep 1, 2011 | Hurricane | Tropical Storm Irene | DR-4022 |
| Aug 29, 2011 | Hurricane | Hurricane Irene | DR-3338 |
| May 12, 1993 | Flood | Heavy Rain, Snowmelt & Flooding | DR-990 |
| Jul 6, 1973 | Flood | Severe Storms, Flooding, & Landslides | DR-397 |
Score Breakdown
The composite score of 11 is calculated from four weighted factors. See our methodology for details.
Other Counties in Vermont
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Bennington | A | 13 | 2 | 10 |
| Essex | A | 13 | 0 | 11 |
| Addison | A | 13 | 2 | 11 |
| Windsor | A | 14 | 17 | 12 |
| Orleans | A | 14 | 4 | 12 |
| Statewide | A | 8 | 0 | 1 |
More Counties in Vermont
Frequently Asked Questions
How many FEMA disaster declarations does Grand Isle County, VT have?
Grand Isle County, VT has 7 federal disaster declarations on FEMA record (1973–2023). The 5 most recent are: Severe Storms, Flooding, Landslides, and Mudslides (declared Jul 14, 2023, DR-4720); Flooding (declared Jul 10, 2023, DR-3595); Tropical Storm Henri (declared Aug 22, 2021, DR-3567); Tropical Storm Irene (declared Sep 1, 2011, DR-4022); Hurricane Irene (declared Aug 29, 2011, DR-3338). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Grand Isle County, VT?
Grand Isle County is graded A (composite score 11/100, low risk). It ranks #1711 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 Grand Isle County?
0 NFIP flood insurance claims have been filed in Grand Isle County, VT, totaling $0 in payouts. The average claim is $0. Source: FEMA FimaNfipClaims v2 dataset.
Has Grand Isle County, VT had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Grand Isle County was Severe Storms, Flooding, Landslides, and Mudslides on Jul 14, 2023 (DR-4720). The county has 7 declared disasters in the OpenFEMA record covering 1973–2023.
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.
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.