Logan County, IL
FEMA National Risk Index scores, disaster declarations & hazard data
Logan County has experienced 12 federally declared disasters since 1968, most recently Severe Storms And Flooding in 2023. Its overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Logan County's highest-rated hazards are drought, strong wind, and cold wave, with its top risk rated "Relatively High" by FEMA's National Risk Index. Recorded storm events have increased 257% over the past five years compared to the prior five-year period. Community vulnerability is relatively low (29th 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. Logan County has been designated in 12 declarations since 1968, covering 7 disaster types including severe storm (2), biological (2), snowstorm (2).
| Year | Type | Event name |
|---|---|---|
| 2023 | Severe Storm | Severe Storms And Flooding |
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2011 | Snowstorm | Severe Winter Storm And Snowstorm |
| 2007 | Severe Ice Storm | Severe Winter Storm |
| 2006 | Severe Storm | Tornadoes And Severe Storms |
| 2005 | Hurricane | Hurricane Katrina Evacuation |
| 2002 | Tornado | Severe Storms, Tornadoes And Flooding |
| 1999 | Snowstorm | Il-Winter Storm 1/1/99 |
| 1974 | Flood | Severe Storms & Flooding |
Showing the 10 most recent of 12 total declarations since 1968.
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 | 1.5 | 0 | 0 | — |
| Inland Flooding | Relatively Low | 53.7 | 9 | 0 | $300K |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Relatively Low | 76.8 | — | — | — |
| Heat Wave | Relatively Low | 75 | 3 | 0 | — |
| Tornado | Relatively Moderate | 69.8 | 14 | 0 | — |
| Hurricane | Very Low | 24.9 | 0 | 0 | — |
| Hail | Relatively Low | 69.8 | 35 | 0 | — |
| Strong Wind | Relatively High | 87.7 | 0 | 0 | — |
| Winter Weather | Relatively Low | 46.1 | 0 | 0 | — |
| Ice Storm | Relatively Low | 47.4 | — | — | — |
| Cold Wave | Relatively Moderate | 77.4 | — | — | — |
| Lightning | Relatively Low | 36.5 | 3 | 0 | $16K |
| Drought | Relatively High | 92.4 | 0 | 0 | — |
| Landslide | Very Low | 33.3 | 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
Logan County ranks in the 29th 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 | 29th | Low |
| Socioeconomic status | 19th | Very low |
| Household characteristics | 14th | Very 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 | 2nd | Very Low |
| Risk to homes | 2nd | Very Low |
| Buildings in direct exposure zone | 14.9% | — |
NOAA tracked 64 weather events in this county over 2016–2025: 14 in 2016–20 vs 50 in 2021–25 (+257% — 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 Logan County?
According to the FEMA National Risk Index, the highest-risk hazards in Logan County, Illinois are drought, strong wind, and cold wave. The county's overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Has Logan County received federal disaster declarations?
Yes. Logan County has received 12 federal disaster declarations since 1968, including declarations in 2023. The most common disaster type on record is severe storm (2 declarations).
Has Logan County had any FEMA disaster declarations in 2024, 2025, or 2026?
No federal disaster declarations have been recorded for Logan County since the start of 2024. Its most recent declaration on record is Severe Storms And Flooding in 2023.
How does Logan County's natural hazard risk compare to nearby counties?
Among neighboring counties, Sangamon County, IL has the highest overall natural hazard risk (Relatively Moderate) and Menard County, IL has the lowest (Very Low). Logan County is rated Relatively Low overall.
How is Logan County's composite disaster risk index calculated?
Logan 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. Logan County's composite score of 58 means its overall natural hazard risk is higher than 58% of US counties.