Union County, KY
FEMA National Risk Index scores, disaster declarations & hazard data
Union County has experienced 28 federally declared disasters since 1996, most recently Severe Winter Storm in 2026. Its overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Union County's highest-rated hazards are earthquake, ice storm, and drought, with its top risk rated "Relatively Low" by FEMA's National Risk Index. Recorded storm events have increased 31% over the past five years compared to the prior five-year period. 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. Union County has been designated in 28 declarations since 1996, covering 7 disaster types including severe storm (17), snowstorm (3), flood (2).
| 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, Landslides, And Mudslides |
| 2025 | Severe Storm | Severe Storms, Straight-Line Winds, Flooding, And Landslides |
| 2025 | Severe Storm | Severe Storms, Straight-Line Winds, And Tornadoes |
| 2024 | Severe Storm | Severe Storms, Straight-Line Winds, Tornadoes, Landslides, And Mudslides |
| 2023 | Severe Storm | Severe Storms, Straight-Line Winds, Tornadoes, Flooding, Landslides, And Mudslides |
| 2021 | Flood | Severe, Storms, Flooding, Landslides, And Mudslides |
| 2020 | Severe Storm | Severe Storms, Flooding, Landslides, And Mudslides |
Showing the 10 most recent of 28 total declarations since 1996.
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 | 5.6 | 0 | 0 | — |
| Inland Flooding | Relatively Low | 36 | 48 | 1 | $50K |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Relatively Low | 88.4 | — | — | — |
| Heat Wave | Relatively Low | 60.5 | 42 | 0 | — |
| Tornado | Relatively Low | 38.7 | 12 | 0 | $16.0M |
| Hurricane | Very Low | 26.6 | 0 | 0 | — |
| Hail | Relatively Low | 48.6 | 9 | 0 | — |
| Strong Wind | Relatively Moderate | 74.6 | 0 | 0 | — |
| Winter Weather | Relatively Low | 55.6 | 0 | 0 | — |
| Ice Storm | Relatively High | 86 | — | — | — |
| Cold Wave | Relatively Low | 30.6 | — | — | — |
| Lightning | Relatively Low | 26.3 | 0 | 0 | — |
| Drought | Relatively Moderate | 83 | 0 | 0 | — |
| Landslide | Very Low | 22.5 | 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
Union 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 | 28th | Low |
| Household characteristics | 18th | Very low |
| Racial & ethnic minority status | 36th | Low |
| Housing type & transportation | 35th | 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 | 14th | Very Low |
| Risk to homes | 14th | Very Low |
| Buildings in direct exposure zone | 52.5% | — |
NOAA tracked 111 weather events in this county over 2016–2025: 48 in 2016–20 vs 63 in 2021–25 (+31% — frequency increasing).
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 Union County?
According to the FEMA National Risk Index, the highest-risk hazards in Union County, Kentucky are earthquake, ice storm, and drought. The county's overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Has Union County received federal disaster declarations?
Yes. Union County has received 28 federal disaster declarations since 1996, including declarations in 2026. The most common disaster type on record is severe storm (17 declarations).
Has Union County had any FEMA disaster declarations in 2024, 2025, or 2026?
Yes. Recent federal disaster declarations for Union 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, Landslides, And Mudslides (2025), Severe Storms, Straight-Line Winds, Flooding, And Landslides (2025), Severe Storms, Straight-Line Winds, And Tornadoes (2025), Severe Storms, Straight-Line Winds, Tornadoes, Landslides, And Mudslides (2024). See the declarations table above for the full history since 1996.
How does Union County's natural hazard risk compare to nearby counties?
Among neighboring counties, Henderson County, KY has the highest overall natural hazard risk (Relatively Low) and Hardin County, IL has the lowest (Very Low). Union County is rated Very Low overall.
How is Union County's composite disaster risk index calculated?
Union 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. Union County's composite score of 43 means its overall natural hazard risk is higher than 43% of US counties.