Perry County, PA
FEMA National Risk Index scores, disaster declarations & hazard data
Perry County has experienced 20 federally declared disasters since 1972, most recently Covid-19 in 2020. Its overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Perry County's highest-rated hazards are landslide, winter weather, and hurricane, with its top risk rated "Relatively Low" by FEMA's National Risk Index. Community vulnerability is relatively low (17th 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. Perry County has been designated in 20 declarations since 1972, covering 5 disaster types including flood (7), snowstorm (4), severe storm (4).
| Year | Type | Event name |
|---|---|---|
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2016 | Snowstorm | Severe Winter Storm And Snowstorm |
| 2013 | Hurricane | Hurricane Sandy |
| 2011 | Flood | Tropical Storm Lee |
| 2011 | Flood | Remnants Of Tropical Storm Lee |
| 2010 | Snowstorm | Severe Winter Storms And Snowstorms |
| 2006 | Severe Storm | Severe Storms, Flooding, And Mudslides |
| 2005 | Hurricane | Hurricane Katrina |
| 2004 | Hurricane | Tropical Depression Ivan |
Showing the 10 most recent of 20 total declarations since 1972.
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 | 25 | 0 | 0 | — |
| Inland Flooding | Relatively Low | 69.5 | 2 | 0 | — |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Very Low | 38.7 | — | — | — |
| Heat Wave | Relatively Low | 74.5 | 4 | 0 | — |
| Tornado | Relatively Low | 31.6 | 1 | 0 | $40K |
| Hurricane | Relatively Low | 76.1 | 0 | 0 | — |
| Hail | Very Low | 3.7 | 5 | 0 | — |
| Strong Wind | Relatively Moderate | 74.1 | 0 | 0 | — |
| Winter Weather | Relatively Moderate | 77 | 0 | 0 | — |
| Ice Storm | Very Low | 12.3 | — | — | — |
| Cold Wave | Very Low | 18.3 | — | — | — |
| Lightning | Relatively Low | 33.7 | 1 | 0 | $20K |
| Drought | Very Low | 14.2 | 0 | 0 | — |
| Landslide | Relatively Low | 84.2 | 0 | 0 | — |
| Avalanche | Very Low | 41.7 | — | — | — |
| 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
Perry County ranks in the 17th 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 | 17th | Very low |
| Socioeconomic status | 28th | Low |
| Household characteristics | 15th | Very low |
| Racial & ethnic minority status | 9th | Very low |
| Housing type & transportation | 26th | 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 | 36th | Relatively Low |
| Risk to homes | 37th | Relatively Low |
| Buildings in direct exposure zone | 76.5% | — |
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 Perry County?
According to the FEMA National Risk Index, the highest-risk hazards in Perry County, Pennsylvania are landslide, winter weather, and hurricane. The county's overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Has Perry County received federal disaster declarations?
Yes. Perry County has received 20 federal disaster declarations since 1972, including declarations in 2020. The most common disaster type on record is flood (7 declarations).
Has Perry County had any FEMA disaster declarations in 2024, 2025, or 2026?
No federal disaster declarations have been recorded for Perry County since the start of 2024. Its most recent declaration on record is Covid-19 in 2020.
How does Perry County's natural hazard risk compare to nearby counties?
Among neighboring counties, Dauphin County, PA has the highest overall natural hazard risk (Relatively Moderate) and Juniata County, PA has the lowest (Very Low). Perry County is rated Relatively Low overall.
How is Perry County's composite disaster risk index calculated?
Perry 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. Perry County's composite score of 53 means its overall natural hazard risk is higher than 53% of US counties.