Ogle County, IL
FEMA National Risk Index scores, disaster declarations & hazard data
Ogle County has experienced 14 federally declared disasters since 1973, most recently Covid-19 in 2020. Its overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Ogle County's highest-rated hazards are hail, cold wave, and tornado, with its top risk rated "Relatively Moderate" by FEMA's National Risk Index. Recorded storm events have increased 33% over the past five years compared to the prior five-year period.
Past disasters & FEMA designations
A federal disaster declaration officially designates a county for FEMA disaster assistance. Ogle County has been designated in 14 declarations since 1973, covering 5 disaster types including snowstorm (5), flood (4), biological (2).
| Year | Type | Event name |
|---|---|---|
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2013 | Flood | Severe Storms, Straight-Line Winds, And Flooding |
| 2011 | Snowstorm | Severe Winter Storm And Snowstorm |
| 2010 | Severe Storm | Severe Storms And Flooding |
| 2008 | Snowstorm | Record Snow And Near Record Snow |
| 2007 | Snowstorm | Snow |
| 2005 | Hurricane | Hurricane Katrina Evacuation |
| 2001 | Snowstorm | Illinois Winter Snow Storms |
| 1996 | Severe Storm | Severe Storms And Flooding |
Showing the 10 most recent of 14 total declarations since 1973.
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 | 11.4 | 0 | 0 | — |
| Inland Flooding | Relatively Moderate | 77 | 19 | 0 | $1K |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Relatively Low | 63.8 | — | — | — |
| Heat Wave | Relatively Low | 41.7 | 7 | 0 | — |
| Tornado | Relatively Moderate | 79.9 | 11 | 0 | — |
| Hurricane | Very Low | 13.6 | 0 | 0 | — |
| Hail | Relatively Moderate | 88.5 | 20 | 0 | — |
| Strong Wind | Relatively Moderate | 76.2 | 0 | 0 | — |
| Winter Weather | Very Low | 19 | 0 | 0 | — |
| Ice Storm | Relatively Low | 59.9 | — | — | — |
| Cold Wave | Relatively Moderate | 80.8 | — | — | — |
| Lightning | Relatively Low | 40.1 | 1 | 0 | $5K |
| Drought | Relatively Moderate | 75.8 | 0 | 0 | — |
| Landslide | Very Low | 51.3 | 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
Ogle County ranks in the 31st 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 | 31st | Low |
| Socioeconomic status | 25th | Low |
| Household characteristics | 60th | Moderate |
| Racial & ethnic minority status | 44th | Low |
| Housing type & transportation | 28th | 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 | 6th | Very Low |
| Risk to homes | 6th | Very Low |
| Buildings in direct exposure zone | 32.0% | — |
NOAA tracked 56 weather events in this county over 2016–2025: 24 in 2016–20 vs 32 in 2021–25 (+33% — 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 Ogle County?
According to the FEMA National Risk Index, the highest-risk hazards in Ogle County, Illinois are hail, cold wave, and tornado. The county's overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Has Ogle County received federal disaster declarations?
Yes. Ogle County has received 14 federal disaster declarations since 1973, including declarations in 2020. The most common disaster type on record is snowstorm (5 declarations).
Has Ogle County had any FEMA disaster declarations in 2024, 2025, or 2026?
No federal disaster declarations have been recorded for Ogle County since the start of 2024. Its most recent declaration on record is Covid-19 in 2020.
How does Ogle County's natural hazard risk compare to nearby counties?
Among neighboring counties, Winnebago County, IL has the highest overall natural hazard risk (Relatively Moderate) and Carroll County, IL has the lowest (Very Low). Ogle County is rated Relatively Low overall.
How is Ogle County's composite disaster risk index calculated?
Ogle 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. Ogle County's composite score of 71 means its overall natural hazard risk is higher than 71% of US counties.