Lamoille County, VT
FEMA National Risk Index scores, disaster declarations & hazard data
Lamoille County has experienced 38 federally declared disasters since 1973, most recently Tropical Depression Debby in 2024. Its overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Lamoille County's highest-rated hazards are winter weather, landslide, and hurricane, with its top risk rated "Relatively Moderate" by FEMA's National Risk Index. NOAA records 22 storm events in the county over the past decade. Community vulnerability is relatively low (14th percentile nationally), indicating stronger recovery capacity than most US counties.
Past disasters & FEMA designations
A federal disaster declaration officially designates a county for FEMA disaster assistance. Lamoille County has been designated in 38 declarations since 1973, covering 7 disaster types including severe storm (19), flood (11), hurricane (3).
| Year | Type | Event name |
|---|---|---|
| 2024 | Tropical Storm | Tropical Depression Debby |
| 2024 | Severe Storm | Severe Winter Storm |
| 2024 | Flood | Severe Storms And Flooding |
| 2024 | Severe Storm | Severe Storm, Flooding, Landslides, And Mudslides |
| 2024 | Severe Storm | Severe Storm And Flooding |
| 2023 | Flood | Severe Storms, Flooding, Landslides, And Mudslides |
| 2023 | Severe Storm | Severe Storm And Flooding |
| 2023 | Flood | Flooding |
| 2021 | Hurricane | Tropical Storm Henri |
| 2020 | Severe Storm | Severe Storm And Flooding |
Showing the 10 most recent of 38 total declarations since 1973.
Source: FEMA OpenFEMA Disaster Declarations Summaries. A single disaster can produce more than one record per county. Data current through September 2026.
Risk by hazard type
| Hazard | Risk rating | Risk score | Recorded events | Deaths | Prop. damage |
|---|---|---|---|---|---|
| Wildfire | Very Low | 14 | 0 | 0 | — |
| Inland Flooding | Relatively Low | 42.8 | 15 | 0 | $3.5M |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Very Low | 40.5 | — | — | — |
| Heat Wave | Very Low | 21.7 | 2 | 0 | — |
| Tornado | Very Low | 10 | 0 | 0 | — |
| Hurricane | Relatively Low | 61.6 | 0 | 0 | — |
| Hail | Very Low | 4.8 | 5 | 0 | — |
| Strong Wind | Relatively Low | 18.2 | 0 | 0 | — |
| Winter Weather | Relatively Moderate | 79.1 | 0 | 0 | — |
| Ice Storm | Relatively Low | 39.9 | — | — | — |
| Cold Wave | Relatively Low | 27.2 | — | — | — |
| Lightning | Relatively Low | 39.7 | 0 | 0 | — |
| Drought | No Rating | 0 | 0 | 0 | — |
| Landslide | Relatively Low | 74.9 | 0 | 0 | — |
| Avalanche | Very Low | 56.1 | — | — | — |
| Tsunami | Not Applicable | — | — | — | — |
| Volcanic Activity | Not Applicable | — | — | — | — |
Scores are 0–100 percentiles relative to all US counties — higher means more exposed, not that a disaster is likely this year. Event counts: NOAA Storm Events 2016–2026; earthquake counts from USGS ComCat (M3.0+, 1996–2026). See the methodology page for details.
Community vulnerability
Lamoille County ranks in the 14th percentile (Very low) for community vulnerability — a measure of how hard disaster impacts tend to hit residents. Higher vulnerability means more displacement, worse health outcomes, and slower recovery after a disaster.
| SVI theme | Percentile | Vulnerability level |
|---|---|---|
| Overall | 14th | Very low |
| Socioeconomic status | 27th | Low |
| Household characteristics | 3rd | Very low |
| Racial & ethnic minority status | 13th | Very low |
| Housing type & transportation | 37th | Low |
Source: CDC/ATSDR Social Vulnerability Index 2022. Percentiles compare counties nationally — higher means more vulnerable relative to other counties. See CDC SVI for full methodology.
Future risk outlook
| Wildfire metric | National percentile | Level |
|---|---|---|
| Burn probability | 8th | Very Low |
| Risk to homes | 8th | Very Low |
| Buildings in direct exposure zone | 87.9% | — |
NOAA tracked 22 weather events in this county over 2016–2025: 8 in 2016–20 vs 14 in 2021–25 .
Wildfire: USDA Forest Service Wildfire Risk to Communities (RDS-2020-0016-2) — modeled values, not annual forecasts. See wildfirerisk.org. Inland flood and heat projections pending data availability; coastal sea-level projections are available for select coastal counties below — see the data page.
Nearby counties
Frequently asked questions
What natural hazards pose the greatest risk in Lamoille County?
According to the FEMA National Risk Index, the highest-risk hazards in Lamoille County, Vermont are winter weather, landslide, and hurricane. The county's overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Has Lamoille County received federal disaster declarations?
Yes. Lamoille County has received 38 federal disaster declarations since 1973, including declarations in 2024. The most common disaster type on record is severe storm (19 declarations).
Has Lamoille County had any FEMA disaster declarations in 2024, 2025, or 2026?
Yes. Recent federal disaster declarations for Lamoille County include Tropical Depression Debby (2024), Severe Winter Storm (2024), Severe Storms And Flooding (2024), Severe Storm, Flooding, Landslides, And Mudslides (2024), Severe Storm And Flooding (2024). See the declarations table above for the full history since 1973.
How does Lamoille County's natural hazard risk compare to nearby counties?
Among neighboring counties, Chittenden County, VT has the highest overall natural hazard risk (Relatively Low) and Grand Isle County, VT has the lowest (Very Low). Lamoille County is rated Very Low overall.
How is Lamoille County's composite disaster risk index calculated?
Lamoille County's composite disaster risk index — officially FEMA's National Risk Index (NRI) — scores every US county on a 0–100 percentile scale across 18 natural hazard types, factoring in expected annual loss, social vulnerability, and community resilience. Lamoille County's composite score of 18 means its overall natural hazard risk is higher than 18% of US counties.