Niagara County, NY
FEMA National Risk Index scores, disaster declarations & hazard data
Niagara County has experienced 27 federally declared disasters since 1973, most recently Severe Winter Storm And Snowstorm in 2023. Its overall natural hazard risk is rated Relatively Moderate — near the middle compared to other US counties.
Niagara County's highest-rated hazards are inland flooding, ice storm, and lightning, with its top risk rated "Relatively Moderate" by FEMA's National Risk Index. Recorded storm events have increased 43% over the past five years compared to the prior five-year period.
Past disasters & FEMA designations
A federal disaster declaration officially designates a county for FEMA disaster assistance. Niagara County has been designated in 27 declarations since 1973, covering 9 disaster types including snowstorm (9), severe storm (5), flood (4).
| Year | Type | Event name |
|---|---|---|
| 2023 | Snowstorm | Severe Winter Storm And Snowstorm |
| 2023 | Winter Storm | Severe Winter Storm And Snowstorm |
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2018 | Flood | Flooding |
| 2013 | Flood | Severe Storms And Flooding |
| 2013 | Hurricane | Hurricane Sandy |
| 2011 | Flood | Severe Storms, Flooding, Tornadoes, And Straight-Line Winds |
| 2007 | Severe Storm | Severe Storms And Flooding |
| 2007 | Snowstorm | Lake Effect Snowstorm |
Showing the 10 most recent of 27 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 | 33.8 | 0 | 0 | — |
| Inland Flooding | Relatively Moderate | 91 | 25 | 0 | $2.8M |
| Coastal Flooding | Very Low | 31.2 | 13 | 0 | $6.6M |
| Earthquake | Relatively Low | 65.9 | 3 | — | — |
| Heat Wave | Relatively Low | 58.6 | 0 | 0 | — |
| Tornado | Relatively Low | 52.4 | 0 | 0 | — |
| Hurricane | Very Low | 57.2 | 0 | 0 | — |
| Hail | Relatively Low | 42.3 | 17 | 0 | — |
| Strong Wind | Relatively Moderate | 73.5 | 0 | 0 | — |
| Winter Weather | Relatively Low | 56.1 | 0 | 0 | — |
| Ice Storm | Relatively High | 87.4 | — | — | — |
| Cold Wave | Relatively Moderate | 69.7 | — | — | — |
| Lightning | Relatively Moderate | 76.9 | 1 | 0 | $1K |
| Drought | Very Low | 17.7 | 0 | 0 | — |
| Landslide | Very Low | 11.5 | 0 | 0 | — |
| Avalanche | Very Low | 6.3 | — | — | — |
| Tsunami | Insufficient Data | — | — | — | — |
| 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
Niagara County ranks in the 45th percentile (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 | 45th | Low |
| Socioeconomic status | 36th | Low |
| Household characteristics | 49th | Low |
| Racial & ethnic minority status | 46th | Low |
| Housing type & transportation | 54th | 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 | 2nd | Very Low |
| Risk to homes | 2nd | Very Low |
| Buildings in direct exposure zone | 44.5% | — |
NOAA tracked 56 weather events in this county over 2016–2025: 23 in 2016–20 vs 33 in 2021–25 (+43% — frequency increasing).
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 Niagara County?
According to the FEMA National Risk Index, the highest-risk hazards in Niagara County, New York are inland flooding, ice storm, and lightning. The county's overall natural hazard risk is rated Relatively Moderate — near the middle compared to other US counties.
Has Niagara County received federal disaster declarations?
Yes. Niagara County has received 27 federal disaster declarations since 1973, including declarations in 2023. The most common disaster type on record is snowstorm (9 declarations).
Has Niagara County had any FEMA disaster declarations in 2024, 2025, or 2026?
No federal disaster declarations have been recorded for Niagara County since the start of 2024. Its most recent declaration on record is Severe Winter Storm And Snowstorm in 2023.
How does Niagara 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). Niagara County is rated Relatively Moderate overall.
How is Niagara County's composite disaster risk index calculated?
Niagara 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. Niagara County's composite score of 83 means its overall natural hazard risk is higher than 83% of US counties.