Warren County Disaster Risk
Warren County, Illinois
FEMA Risk Rating
Very Low
National Percentile
15th
of 3,144 counties
State Rank
#92
of 102 (1 = highest risk)
Flood Risk
11th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Very Low
Higher than 11% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Very Low
Higher than 0% of US counties
Tornado
Tornado and severe thunderstorm risk
Very Low
Higher than 28% of US counties
Earthquake
Seismic activity and ground shaking risk
Very Low
Higher than 34% of US counties
Hurricane
Tropical cyclone and hurricane risk
Very Low
Higher than 17% of US counties
Risk Overview
About Natural Disaster Risk in Warren County, Illinois
Warren ranks among nation's safest
With a composite risk score of 15.49, Warren County has exceptionally low natural disaster risk—among the safest counties in the nation. This "Very Low" rating reflects minimal exposure to floods, tornadoes, wildfires, and earthquakes.
Illinois's second-lowest-risk county
Warren's 15.49 score is the lowest or second-lowest among all eight Illinois counties evaluated, and drastically below the state average of 54.46. The county benefits from a geographic and geologic position that minimizes most natural disaster hazards.
Safest in northwestern Illinois cluster
Warren County (15.49) is substantially safer than neighbors Stephenson (73.92) to the north and Tazewell (84.19) to the southeast. Its low-risk profile is unique in its immediate region.
Limited but meaningful hurricane exposure
Hurricane risk (17.48) is Warren's most significant hazard, though it remains well below national averages; tornado risk (28.50) is secondary. Overall, your county faces minimal natural disaster threats compared to most Illinois locations.
Standard insurance likely sufficient
Your county's exceptionally low risk means standard homeowners insurance generally covers your most likely exposures. However, review your policy to confirm wind and hail coverage is included, and consider flood insurance only if your home sits in a mapped floodplain.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Warren County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Warren County
Risk Verdict
At the 15th percentile nationally, Warren County experiences relatively limited natural hazard pressure compared to most of the country. Being ranked at the 15th percentile nationally is an advantage for Warren County — it means fewer statistically likely events, though basic readiness ensures households are covered when exceptions occur.
Hazard Breakdown
Earthquake risk is Warren County's dominant natural hazard, ranked at the 34th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 28th percentile nationally. Additional tracked hazards include hurricane (17th percentile), flood (11th percentile), wildfire (0th percentile).
Preparedness Context
Warren County ranks at the 34th percentile nationally for earthquake risk. Unlike most natural hazards, earthquakes provide no advance warning; preparedness here means structural adjustments and a practiced response, not alert monitoring. Alongside earthquake exposure, Warren County's tornado risk at the 28th percentile nationally reinforces the value of maintaining a household emergency supply cache usable for multiple hazard scenarios. For earthquake preparedness, Warren County's county emergency management office often maintains a list of community water supply points, Red Cross shelter locations, and post-quake assistance programs — useful resources to identify before an event occurs.
Regional Context
A composite score 39.0 points below the Illinois state average puts Warren County in a better-than-typical position relative to neighboring counties.
Is your household prepared for Warren County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Warren County, IL?
What types of natural hazards affect Warren County?
How does Warren County risk compare to the Illinois average?
Is Warren County at risk for earthquake?
How is natural disaster risk measured?
Is Warren County a safe place to live?
Data Source
Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.
Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.