Genesee County, NY
FEMA National Risk Index scores, disaster declarations & hazard data
Genesee County has experienced 25 federally declared disasters since 1973, most recently Severe Winter Storm And Snowstorm in 2023. Its overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Genesee County's highest-rated hazards are lightning, ice storm, and drought, with its top risk rated "Relatively High" by FEMA's National Risk Index. Community vulnerability is relatively low (23rd 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. Genesee County has been designated in 25 declarations since 1973, covering 9 disaster types including snowstorm (10), severe storm (3), biological (2).
| Year | Type | Event name |
|---|---|---|
| 2023 | Snowstorm | Severe Winter Storm And Snowstorm |
| 2023 | Winter Storm | Severe Winter Storm And Snowstorm |
| 2023 | Winter Storm | Severe Winter Storm |
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2015 | Snowstorm | Severe Winter Storm, Snowstorm, And Flooding |
| 2013 | Hurricane | Hurricane Sandy |
| 2007 | Severe Storm | Severe Storms And Flooding |
| 2007 | Snowstorm | Lake Effect Snowstorm |
| 2005 | Hurricane | Hurricane Katrina Evacuation |
Showing the 10 most recent of 25 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 | 18.4 | 0 | 0 | — |
| Inland Flooding | Relatively Low | 71.1 | 7 | 0 | $70K |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Very Low | 47.4 | — | — | — |
| Heat Wave | Very Low | 34.3 | 0 | 0 | — |
| Tornado | Relatively Low | 29.5 | 4 | 0 | $25K |
| Hurricane | Relatively Low | 62 | 0 | 0 | — |
| Hail | Relatively Low | 62.1 | 2 | 0 | — |
| Strong Wind | Relatively Moderate | 63.8 | 0 | 0 | — |
| Winter Weather | Relatively Low | 27.8 | 0 | 0 | — |
| Ice Storm | Relatively Moderate | 74.6 | — | — | — |
| Cold Wave | Relatively Low | 37.5 | — | — | — |
| Lightning | Relatively High | 85.8 | 3 | 2 | $95K |
| Drought | Relatively Moderate | 74 | 0 | 0 | — |
| Landslide | Very Low | 22.5 | 0 | 0 | — |
| Avalanche | Not Applicable | — | — | — | — |
| 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
Genesee County ranks in the 23rd 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 | 23rd | Very low |
| Socioeconomic status | 22nd | Very low |
| Household characteristics | 11th | Very low |
| Racial & ethnic minority status | 30th | Low |
| Housing type & transportation | 55th | Moderate |
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 | 3rd | Very Low |
| Risk to homes | 3rd | Very Low |
| Buildings in direct exposure zone | 62.8% | — |
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 Genesee County?
According to the FEMA National Risk Index, the highest-risk hazards in Genesee County, New York are lightning, ice storm, and drought. The county's overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Has Genesee County received federal disaster declarations?
Yes. Genesee County has received 25 federal disaster declarations since 1973, including declarations in 2023. The most common disaster type on record is snowstorm (10 declarations).
Has Genesee County had any FEMA disaster declarations in 2024, 2025, or 2026?
No federal disaster declarations have been recorded for Genesee County since the start of 2024. Its most recent declaration on record is Severe Winter Storm And Snowstorm in 2023.
How does Genesee County's natural hazard risk compare to nearby counties?
Among neighboring counties, Erie County, NY has the highest overall natural hazard risk (Relatively High) and Orleans County, NY has the lowest (Very Low). Genesee County is rated Relatively Low overall.
How is Genesee County's composite disaster risk index calculated?
Genesee 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. Genesee County's composite score of 56 means its overall natural hazard risk is higher than 56% of US counties.