Clinton County, IL
FEMA National Risk Index scores, disaster declarations & hazard data
Clinton County has experienced 7 federally declared disasters since 1969, most recently Covid-19 in 2020. Its overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Clinton County's highest-rated hazards are earthquake, strong wind, and heat wave, with its top risk rated "Relatively Moderate" by FEMA's National Risk Index. Recorded storm events have increased 45% over the past five years compared to the prior five-year period. Community vulnerability is relatively low (12th 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. Clinton County has been designated in 7 declarations since 1969, covering 5 disaster types including biological (2), flood (2), hurricane (1).
| Year | Type | Event name |
|---|---|---|
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2005 | Hurricane | Hurricane Katrina Evacuation |
| 2002 | Tornado | Severe Storms, Tornadoes And Flooding |
| 1983 | Severe Storm | Severe Storms, Tornadoes & Flooding |
| 1973 | Flood | Severe Storms & Flooding |
| 1969 | Flood | Heavy Rains & Flooding |
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 | 7.9 | 0 | 0 | — |
| Inland Flooding | Relatively Low | 64 | 4 | 0 | $26K |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Relatively Moderate | 91.2 | — | — | — |
| Heat Wave | Relatively Low | 77.2 | 7 | 0 | — |
| Tornado | Relatively Moderate | 65.8 | 7 | 0 | $923K |
| Hurricane | Very Low | 33.2 | 0 | 0 | — |
| Hail | Relatively Low | 72.8 | 10 | 0 | $100K |
| Strong Wind | Relatively High | 84.6 | 0 | 0 | — |
| Winter Weather | Relatively Low | 41.6 | 0 | 0 | — |
| Ice Storm | Very Low | 18.8 | — | — | — |
| Cold Wave | Relatively Moderate | 68.1 | — | — | — |
| Lightning | Relatively Low | 54.6 | 0 | 0 | — |
| Drought | Relatively Low | 60 | 0 | 0 | — |
| Landslide | Very Low | 45 | 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
Clinton County ranks in the 12th 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 | 12th | Very low |
| Socioeconomic status | 8th | Very low |
| Household characteristics | 10th | Very low |
| Racial & ethnic minority status | 24th | Very low |
| Housing type & transportation | 47th | 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 | 4th | Very Low |
| Risk to homes | 4th | Very Low |
| Buildings in direct exposure zone | 22.2% | — |
NOAA tracked 27 weather events in this county over 2016–2025: 11 in 2016–20 vs 16 in 2021–25 (+45% — 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 Clinton County?
According to the FEMA National Risk Index, the highest-risk hazards in Clinton County, Illinois are earthquake, strong wind, and heat wave. The county's overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Has Clinton County received federal disaster declarations?
Yes. Clinton County has received 7 federal disaster declarations since 1969, including declarations in 2020. The most common disaster type on record is biological (2 declarations).
Has Clinton County had any FEMA disaster declarations in 2024, 2025, or 2026?
No federal disaster declarations have been recorded for Clinton County since the start of 2024. Its most recent declaration on record is Covid-19 in 2020.
How does Clinton County's natural hazard risk compare to nearby counties?
Among neighboring counties, St. Clair County, IL has the highest overall natural hazard risk (Relatively High) and Bond County, IL has the lowest (Very Low). Clinton County is rated Relatively Low overall.
How is Clinton County's composite disaster risk index calculated?
Clinton 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. Clinton County's composite score of 66 means its overall natural hazard risk is higher than 66% of US counties.