Natural Disaster Risk in Brown County
Illinois
Risk Summary for Brown County
Brown County scores 4.3/10 (Moderate risk), near the U.S. average of 4.5. The leading hazard is Landslide.
Top Hazards
All 18 Hazard Scores
How it compares
Live Conditions
🏠 What this means for insurance
Average risk — standard coverage usually sufficient
This area carries average natural disaster risk. A standard homeowners or renters policy should cover common events, but review the exclusions for floods and earthquakes, which are almost never included by default.
This is general information only. Consult a licensed insurance professional for advice specific to your property.
Natural Hazard Profile: Brown County, Illinois
Situated in the United States, Brown County in Illinois experiences a humid continental climate marked by bitterly cold winters and hot, humid summers. A severe thunderstorm and tornado season each spring is a defining feature of the regional hazard profile that affects residents and property owners countywide.
FEMA rates Brown County's composite natural disaster risk at 4.3 out of 10 — moderate risk. Landslide and debris flow risk tops the local hazard profile, with steep terrain and periodic heavy rainfall creating conditions for rapid slope failure in vulnerable areas. Residents should also account for heat and drought risk in their preparedness planning.
Relative to other U.S. communities, Brown County's natural disaster risk is near the U.S. national average of 4.5/10, slightly below the 5.8/10 state average. The hazard distribution here is led by landslide and heat, as measured by FEMA across Brown County. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.
With a moderate risk rating, Brown County residents are well-served by maintaining standard preparedness practices — an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for landslide is recommended.
What this means for Brown County: Landslide preparedness
- Standard insurance generally excludes landslide and earth-movement damage — ask about specialized coverage.
- Have an evacuation plan ready during periods of intense or prolonged rainfall.
- Watch for warning signs such as new cracks, tilting trees, or changes in water drainage on slopes.
Cities in Brown County
ZIP codes in Brown County
Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. For informational purposes only.