Ellis County, KS

FEMA National Risk Index scores, disaster declarations & hazard data

Population: 28,929 · Cities: Hays

Very Low Riskier than 33% of US counties
Very Low Relatively Low Relatively Moderate Relatively High Very High

Ellis County has experienced 15 federally declared disasters since 1993, most recently Severe Winter Storm, Straight-Line Winds, Flooding, And Wildfires in 2025. Its overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.

Ellis County's highest-rated hazards are hail, winter weather, and ice storm, with its top risk rated "Relatively Moderate" by FEMA's National Risk Index. NOAA records 161 storm events in the county over the past decade. Community vulnerability is relatively low (24th 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. Ellis County has been designated in 15 declarations since 1993, covering 5 disaster types including severe storm (9), snowstorm (2), biological (2).

2002–2026
Year Type Event name
2025 Severe Storm Severe Winter Storm, Straight-Line Winds, Flooding, And Wildfires
2022 Snowstorm Severe Winter Storms And Straight-Line Winds
2022 Severe Storm Severe Storms And Straight Line Winds
2020 Biological Covid-19 Pandemic
2020 Biological Covid-19
2017 Severe Storm Severe Storms And Flooding
2013 Snowstorm 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 15 total declarations since 1993.

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 60.7 0 0
Inland Flooding Very Low 34.4 21 0 $100K
Coastal Flooding Not Applicable 0 0
Earthquake Very Low 23.3 7
Heat Wave Very Low 17 0 0
Tornado Relatively Low 57.6 6 0
Hurricane Not Applicable 0 0
Hail Relatively Moderate 85 134 0
Strong Wind Relatively Moderate 73.1 0 0
Winter Weather Relatively Moderate 82.8 0 0
Ice Storm Relatively Moderate 78.4
Cold Wave Relatively Low 54.7
Lightning Relatively Moderate 66.2 0 0
Drought Relatively Low 60.9 0 0
Landslide Very Low 12.2 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

Ellis County ranks in the 24th 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 24th Very low
Socioeconomic status 36th Low
Household characteristics 3rd Very low
Racial & ethnic minority status 34th Low
Housing type & transportation 50th 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 46th Relatively Moderate
Risk to homes 49th Relatively Moderate
Buildings in direct exposure zone 29.5%

NOAA tracked 161 weather events in this county over 2016–2025: 78 in 2016–20 vs 83 in 2021–25 (+6% — relatively stable).

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

Compare Ellis County with other counties → All Kansas counties →

Frequently asked questions

What natural hazards pose the greatest risk in Ellis County?

According to the FEMA National Risk Index, the highest-risk hazards in Ellis County, Kansas are hail, winter weather, and ice storm. The county's overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.

Has Ellis County received federal disaster declarations?

Yes. Ellis County has received 15 federal disaster declarations since 1993, including declarations in 2025. The most common disaster type on record is severe storm (9 declarations).

Has Ellis County had any FEMA disaster declarations in 2024, 2025, or 2026?

Yes. Recent federal disaster declarations for Ellis County include Severe Winter Storm, Straight-Line Winds, Flooding, And Wildfires (2025). See the declarations table above for the full history since 1993.

How does Ellis County's natural hazard risk compare to nearby counties?

Among neighboring counties, Barton County, KS has the highest overall natural hazard risk (Relatively Low) and Trego County, KS has the lowest (Very Low). Ellis County is rated Very Low overall.

How is Ellis County's composite disaster risk index calculated?

Ellis 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. Ellis County's composite score of 33 means its overall natural hazard risk is higher than 33% of US counties.

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