Atchison County, KS
FEMA National Risk Index scores, disaster declarations & hazard data
Atchison County has experienced 19 federally declared disasters since 1967, most recently Covid-19 in 2020. Its overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Atchison County's highest-rated hazards are wildfire, hail, and ice storm, with its top risk rated "Relatively Low" by FEMA's National Risk Index. Recorded storm events have decreased 75% 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. Atchison County has been designated in 19 declarations since 1967, covering 5 disaster types including severe storm (10), flood (5), biological (2).
| Year | Type | Event name |
|---|---|---|
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2019 | Severe Storm | Severe Storms, Straight-Line Winds, Tornadoes, Flooding,Landslides,And Mudslides |
| 2015 | Severe Storm | Severe Storms, Tornadoes, Straight-Line Winds, And Flooding |
| 2011 | Flood | Flooding |
| 2011 | Flood | Flooding |
| 2010 | Severe Storm | Severe Winter Storms And Snowstorm |
| 2010 | Severe Storm | Severe Storms, Flooding, And Tornadoes |
| 2008 | Severe Storm | Severe Winter Storms |
| 2008 | Severe Storm | Severe Winter Storms |
Showing the 10 most recent of 19 total declarations since 1967.
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 | Relatively Low | 72.7 | 0 | 0 | — |
| Inland Flooding | Very Low | 21.7 | 12 | 0 | $200K |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Very Low | 25.5 | 1 | — | — |
| Heat Wave | Relatively Low | 52.6 | 1 | 0 | — |
| Tornado | Relatively Low | 49.5 | 1 | 0 | — |
| Hurricane | No Rating | 0 | 0 | 0 | — |
| Hail | Relatively Low | 62.4 | 21 | 0 | — |
| Strong Wind | Relatively Low | 37.5 | 0 | 0 | — |
| Winter Weather | Relatively Low | 49.5 | 0 | 0 | — |
| Ice Storm | Relatively Moderate | 61.3 | — | — | — |
| Cold Wave | Very Low | 23.9 | — | — | — |
| Lightning | Relatively Low | 34.8 | 0 | 0 | — |
| Drought | Relatively Low | 60.5 | 0 | 0 | — |
| Landslide | Very Low | 60.6 | 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
Atchison County ranks in the 47th 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 | 47th | Low |
| Socioeconomic status | 39th | Low |
| Household characteristics | 35th | Low |
| Racial & ethnic minority status | 38th | Low |
| Housing type & transportation | 72nd | 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 | 60th | Relatively High |
| Risk to homes | 59th | Relatively Moderate |
| Buildings in direct exposure zone | 54.1% | — |
NOAA tracked 35 weather events in this county over 2016–2025: 28 in 2016–20 vs 7 in 2021–25 (-75% — 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 Atchison County?
According to the FEMA National Risk Index, the highest-risk hazards in Atchison County, Kansas are wildfire, hail, and ice storm. The county's overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Has Atchison County received federal disaster declarations?
Yes. Atchison County has received 19 federal disaster declarations since 1967, including declarations in 2020. The most common disaster type on record is severe storm (10 declarations).
Has Atchison County had any FEMA disaster declarations in 2024, 2025, or 2026?
No federal disaster declarations have been recorded for Atchison County since the start of 2024. Its most recent declaration on record is Covid-19 in 2020.
How does Atchison County's natural hazard risk compare to nearby counties?
Among neighboring counties, Buchanan County, MO has the highest overall natural hazard risk (Relatively Low) and Doniphan County, KS has the lowest (Very Low). Atchison County is rated Very Low overall.
How is Atchison County's composite disaster risk index calculated?
Atchison 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. Atchison County's composite score of 16 means its overall natural hazard risk is higher than 16% of US counties.