Dearborn County Disaster Risk
Dearborn County, Indiana
FEMA Risk Rating
Relatively Low
National Percentile
45th
of 3,144 counties
State Rank
#40
of 92 (1 = highest risk)
Flood Risk
53th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Relatively Low
Higher than 53% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Very Low
Higher than 12% of US counties
Tornado
Tornado and severe thunderstorm risk
Relatively Low
Higher than 75% of US counties
Earthquake
Seismic activity and ground shaking risk
Relatively Low
Higher than 52% of US counties
Hurricane
Tropical cyclone and hurricane risk
Very Low
Higher than 8% of US counties
Risk Overview
About Natural Disaster Risk in Dearborn County, Indiana
Dearborn County faces moderate risk
Dearborn County's composite risk score of 45.23 sits roughly at the national average, indicating average exposure to natural hazards. Residents should maintain standard disaster preparedness and appropriate insurance coverage.
Near Indiana's average risk level
Dearborn County scores 45.23, almost exactly matching Indiana's state average of 45.52, placing it squarely in the middle range of Indiana counties. The county represents typical disaster risk exposure for the state.
Average risk compared to adjacent counties
Dearborn County (45.23) faces higher risk than low-risk neighbors like Clay County (27.04) and Crawford County (25.80), but significantly lower risk than Clark County (81.36). The county occupies a middle ground in the regional risk spectrum.
Tornadoes present the primary threat
Dearborn County residents face highest risk from tornadoes (75.48), well above state averages and among the highest in Indiana. Flood risk (52.58) ranks second, while earthquake (52.35) and wildfire (12.28) risks remain more moderate.
Tornado coverage is non-negotiable
Dearborn County's 75.48 tornado risk score demands that residents ensure comprehensive tornado coverage in their homeowners policies. A basement safe room or above-ground shelter, plus an emergency kit with important documents and supplies, provides essential protection during severe storms.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Dearborn County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Dearborn County
Risk Verdict
Dearborn County's FEMA risk score places it at the 45th percentile nationally, indicating lower-than-typical exposure for a U.S. county. At the 45th percentile nationally, Dearborn County's natural hazard profile is comparatively favorable — community resilience is reinforced when individual households maintain a reviewed emergency plan.
Hazard Breakdown
Tornado risk is Dearborn County's dominant natural hazard, ranked at the 75th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 53th percentile nationally. Additional tracked hazards include earthquake (52th percentile), wildfire (12th percentile), hurricane (8th percentile).
Preparedness Context
Tornado exposure at the 75th percentile nationally makes Dearborn County a county where a battery-powered weather radio — not just smartphone apps — is a worthwhile household investment, given that mobile networks often fail during severe storms. Flood is the second hazard driver for Dearborn County at the 53th percentile nationally, meaning households should maintain awareness of both severe-weather and flood-specific warning systems. In Dearborn County, tornado watches indicate favorable atmospheric conditions while warnings mean rotation has been detected — households benefit from understanding this distinction so they shelter immediately on a warning, not after seeking visual confirmation.
Regional Context
Dearborn County sits within 0.3 composite points of the Indiana state average, suggesting the county's hazard exposure is representative of the broader regional pattern.
Is your household prepared for Dearborn County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Dearborn County, IN?
What types of natural hazards affect Dearborn County?
How does Dearborn County risk compare to the Indiana average?
Is Dearborn County at risk for tornado?
How is natural disaster risk measured?
Is Dearborn 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.