Natural Disaster Risk in Dahlgren
Illinois
Risk Summary for Dahlgren
Dahlgren scores 4.9/10 (Moderate risk), near the U.S. average of 4.5. The leading hazard is Earthquake.
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: Dahlgren, Illinois
Dahlgren, in Hamilton County, is a small community of about 1,801 situated in the interior eastern United States. Its humid continental climate brings bitterly cold winters and hot, humid summers, and in particular a severe thunderstorm and tornado season each spring. These conditions collectively define the natural hazard environment that Dahlgren residents and property owners must navigate.
Dahlgren's overall natural disaster risk is rated 4.9/10 (Moderate) by FEMA's National Risk Index. The area's position within a seismically active region makes earthquake preparedness a top priority for residents and property owners alike. Secondary hazards include wind and drought.
Within Illinois, Dahlgren's risk is, slightly below the 5.8/10 state average. Nationally, it ranks near the U.S. national average of 4.5/10. FEMA's analysis of Hamilton County identifies earthquake as the foremost hazard, followed by wind and drought. These rankings reflect the relative frequency and severity of each hazard type in the local environment.
With a moderate risk rating, Dahlgren 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 earthquake is recommended.
What this means for Dahlgren: Earthquake preparedness
- Identify "drop, cover, and hold on" spots in each room and keep an emergency kit with water for at least 72 hours.
- Standard homeowners insurance excludes earthquake damage — a separate earthquake policy or endorsement is needed.
- Secure heavy furniture, water heaters, and shelving to wall studs to reduce injury and damage during shaking.
Local Factors for Dahlgren
These city-level factors differentiate Dahlgren from other communities in Hamilton County and provide geographic context for its hazard exposure.
Population
1,801
Small TownGeographic Zone
Inland
Reduced coastal hazard exposure
Climate Band
Moderate Continental
Latitude 38.2°
Flood Terrain
Minimal — county topography limits flood risk
Flood score: 1.0/10
Wildfire Exposure
Lower — moist climate limits wildfire frequency
Fire score: 1.3/10
Coordinates
38.1954° N, 88.6086° W
Hamilton County
Population and coordinates from SimpleMaps US Cities data. Hazard scores from FEMA National Risk Index. Geographic classification derived from coordinates.
Recent Climate Data for Dahlgren
Last 12 months · Source: Open-Meteo archive
Notable Weather Days (last 12 months)
ZIP Codes in Dahlgren
Other cities in Illinois
Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. City scores inherit county-level FEMA data. For informational purposes only.