Marion County, KY

FEMA National Risk Index scores, disaster declarations & hazard data

Population: 19,521

Very Low Riskier than 30% of US counties
Very Low Relatively Low Relatively Moderate Relatively High Very High

Marion County has experienced 23 federally declared disasters since 1970, most recently Severe Winter Storm in 2026. Its overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.

Marion County's highest-rated hazards are hail, strong wind, and tornado, with its top risk rated "Relatively Low" by FEMA's National Risk Index. Recorded storm events have decreased 30% over the past five years compared to the prior five-year period. Community vulnerability is elevated (79th percentile nationally), suggesting residents may face greater difficulty recovering from major disasters.

Past disasters & FEMA designations

A federal disaster declaration officially designates a county for FEMA disaster assistance. Marion County has been designated in 23 declarations since 1970, covering 8 disaster types including severe storm (10), severe ice storm (3), snowstorm (3).

2002–2026
Year Type Event name
2026 Winter Storm Severe Winter Storm
2025 Severe Storm Severe Storms, Straight-Line Winds, Tornadoes, Flooding, Landslides, And Mudslides
2025 Severe Storm Severe Storms, Straight-Line Winds, Tornadoes, And Flooding
2025 Severe Storm Severe Storms, Straight-Line Winds, Flooding, And Landslides
2023 Severe Storm Severe Storms, Straight-Line Winds, Tornadoes, Flooding, Landslides, And Mudslides
2022 Tornado Severe Storms, Straight-Line Winds, Flooding, And Tornadoes
2021 Flood Severe, Storms, Flooding, Landslides, And Mudslides
2021 Severe Ice Storm Severe Winter Storms, Landslides, And Mudslides
2020 Biological Covid-19 Pandemic
2020 Biological Covid-19

Showing the 10 most recent of 23 total declarations since 1970.

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 11.1 0 0
Inland Flooding Relatively Low 39.7 18 1 $60K
Coastal Flooding Not Applicable 0 0
Earthquake Relatively Low 60.6
Heat Wave Very Low 27.9 0 0
Tornado Relatively Low 61.9 6 0 $185K
Hurricane Very Low 37 0 0
Hail Relatively Low 65 8 0
Strong Wind Relatively Moderate 64.9 0 0
Winter Weather Relatively Low 56.7 0 0
Ice Storm Relatively Low 57
Cold Wave Relatively Low 46.7
Lightning Relatively Low 42.6 1 0 $250K
Drought Very Low 29.8 0 0
Landslide Very Low 35.4 1 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

Marion County ranks in the 79th percentile (High) 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 79th High
Socioeconomic status 69th Moderate
Household characteristics 88th High
Racial & ethnic minority status 37th Low
Housing type & transportation 80th High

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 21st Relatively Low
Risk to homes 19th Very Low
Buildings in direct exposure zone 83.5%

NOAA tracked 34 weather events in this county over 2016–2025: 20 in 2016–20 vs 14 in 2021–25 (-30% — 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

Compare Marion County with other counties → All Kentucky counties →

Frequently asked questions

What natural hazards pose the greatest risk in Marion County?

According to the FEMA National Risk Index, the highest-risk hazards in Marion County, Kentucky are hail, strong wind, and tornado. The county's overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.

Has Marion County received federal disaster declarations?

Yes. Marion County has received 23 federal disaster declarations since 1970, including declarations in 2026. The most common disaster type on record is severe storm (10 declarations).

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

Yes. Recent federal disaster declarations for Marion County include Severe Winter Storm (2026), Severe Storms, Straight-Line Winds, Tornadoes, Flooding, Landslides, And Mudslides (2025), Severe Storms, Straight-Line Winds, Tornadoes, And Flooding (2025), Severe Storms, Straight-Line Winds, Flooding, And Landslides (2025). See the declarations table above for the full history since 1970.

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

Among neighboring counties, Nelson County, KY has the highest overall natural hazard risk (Relatively Low) and Larue County, KY has the lowest (Very Low). Marion County is rated Very Low overall.

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

Marion 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. Marion County's composite score of 30 means its overall natural hazard risk is higher than 30% of US counties.

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