Allen County, IN
FEMA National Risk Index scores, disaster declarations & hazard data
Allen County has experienced 18 federally declared disasters since 1978, most recently Severe Winter Storm in 2026. Its overall natural hazard risk is rated Relatively Moderate — near the middle compared to other US counties.
Allen County's highest-rated hazards are strong wind, tornado, and inland flooding, with its top risk rated "Relatively High" by FEMA's National Risk Index. Recorded storm events have decreased 33% 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. Allen County has been designated in 18 declarations since 1978, covering 6 disaster types including severe storm (7), flood (4), snowstorm (3).
| Year | Type | Event name |
|---|---|---|
| 2026 | Winter Storm | Severe Winter Storm |
| 2026 | Flood | Severe Storms, Straight-Line Winds, Tornadoes, And Flooding |
| 2023 | Severe Storm | Severe Storms, Straight-Line Winds, And Tornadoes |
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2014 | Severe Storm | Severe Winter Storm And Snowstorm |
| 2009 | Severe Storm | Severe Storms, Tornadoes, And Flooding |
| 2008 | Severe Storm | Severe Storms And Flooding |
| 2007 | Snowstorm | Snow |
| 2005 | Severe Storm | Severe Winter Storms And Flooding |
Showing the 10 most recent of 18 total declarations since 1978.
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 | 39.1 | 0 | 0 | — |
| Inland Flooding | Relatively High | 93.5 | 9 | 0 | $321K |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Relatively Low | 84.9 | — | — | — |
| Heat Wave | Relatively Low | 72.5 | 0 | 0 | — |
| Tornado | Relatively High | 97.5 | 5 | 0 | $30K |
| Hurricane | Very Low | 43.8 | 0 | 0 | — |
| Hail | Relatively Moderate | 89 | 62 | 0 | $7K |
| Strong Wind | Relatively High | 97.6 | 0 | 0 | — |
| Winter Weather | Relatively High | 89.6 | 0 | 0 | — |
| Ice Storm | Relatively Moderate | 76.5 | — | — | — |
| Cold Wave | Relatively Moderate | 82 | — | — | — |
| Lightning | Relatively High | 83.9 | 5 | 0 | $100K |
| Drought | Relatively Low | 57 | 0 | 0 | — |
| Landslide | Very Low | 54 | 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
Allen County ranks in the 54th percentile (Moderate) 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 | 54th | Moderate |
| Socioeconomic status | 44th | Low |
| Household characteristics | 70th | Moderate |
| Racial & ethnic minority status | 65th | Moderate |
| Housing type & transportation | 44th | 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 | 2nd | Very Low |
| Risk to homes | 2nd | Very Low |
| Buildings in direct exposure zone | 19.4% | — |
NOAA tracked 75 weather events in this county over 2016–2025: 45 in 2016–20 vs 30 in 2021–25 (-33% — frequency decreasing).
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 Allen County?
According to the FEMA National Risk Index, the highest-risk hazards in Allen County, Indiana are strong wind, tornado, and inland flooding. The county's overall natural hazard risk is rated Relatively Moderate — near the middle compared to other US counties.
Has Allen County received federal disaster declarations?
Yes. Allen County has received 18 federal disaster declarations since 1978, including declarations in 2026. The most common disaster type on record is severe storm (7 declarations).
Has Allen County had any FEMA disaster declarations in 2024, 2025, or 2026?
Yes. Recent federal disaster declarations for Allen County include Severe Winter Storm (2026), Severe Storms, Straight-Line Winds, Tornadoes, And Flooding (2026). See the declarations table above for the full history since 1978.
How does Allen County's natural hazard risk compare to nearby counties?
Among neighboring counties, Adams County, IN has the highest overall natural hazard risk (Relatively Low) and Paulding County, OH has the lowest (Very Low). Allen County is rated Relatively Moderate overall.
How is Allen County's composite disaster risk index calculated?
Allen 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. Allen County's composite score of 91 means its overall natural hazard risk is higher than 91% of US counties.