Warren County Disaster Risk
Warren County, Ohio
FEMA Risk Rating
Relatively Low
National Percentile
78th
of 3,144 counties
State Rank
#15
of 88 (1 = highest risk)
Flood Risk
84th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Moderate
Higher than 84% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Very Low
Higher than 38% of US counties
Tornado
Tornado and severe thunderstorm risk
Moderate
Higher than 83% of US counties
Earthquake
Seismic activity and ground shaking risk
Relatively Low
Higher than 75% of US counties
Hurricane
Tropical cyclone and hurricane risk
Very Low
Higher than 21% of US counties
Risk Overview
About Natural Disaster Risk in Warren County, Ohio
Warren's Elevated Risk Profile
Warren County scores 77.80 on the composite risk scale, placing it well above the national average and earning a Relatively Low rating. This southwestern Ohio county faces significantly more natural disaster exposure than most American communities, driven by multiple high-risk hazard types.
Among Ohio's Highest-Risk Counties
Warren ranks among the state's most hazard-exposed counties, with a composite score of 77.80 compared to Ohio's 55.03 average. Only a handful of Ohio counties face comparable disaster risk across such a broad range of hazard types.
Warren Faces Greater Risks Than Peers
Warren's 77.80 score exceeds neighboring Wood County (65.68) and Wayne County (64.85), reflecting its concentrated exposure to tornadoes and floods. The county's position in southwestern Ohio's tornado corridor amplifies vulnerability compared to adjacent regions.
Tornadoes and Floods Drive the Risk
Warren experiences tornado risk of 83.40 and flood risk of 83.87—among the highest in the state and far above national averages. These two hazards demand serious preparation: secure a weather radio, maintain emergency supplies, and know your evacuation routes.
Comprehensive Coverage Is Essential
Warren residents should prioritize flood insurance through the National Flood Insurance Program, as standard homeowners policies exclude flood damage. Adding tornado-specific coverage and considering earthquake riders provides multi-hazard protection appropriate to the county's elevated risk profile.
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
Warren County has a below-average natural disaster risk profile, scoring at the 78th percentile nationally under FEMA's National Risk Index. This risk level calls for more than general awareness: insurance coverage review, a family communication plan, and a prepared go-bag are practical priorities.
Hazard Breakdown
Flood risk is Warren County's dominant natural hazard, ranked at the 84th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 83th percentile nationally. Additional tracked hazards include earthquake (75th percentile), wildfire (38th percentile), hurricane (21th percentile).
Preparedness Context
Warren County's top natural hazard is flood risk, ranked at the 84th percentile nationally. Homeowners here should confirm whether they are in a FEMA-designated flood zone and check if standard homeowners insurance covers flood damage — it typically does not. Alongside flooding, tornado exposure at the 83th percentile means households benefit from a multi-hazard preparedness plan rather than focusing on flood alone. For most Warren County households, the highest-return preparedness step is storing critical documents in digital cloud backup combined with a pre-designated family meeting point if communication is disrupted.
Regional Context
Warren County's composite risk score sits 22.8 points above the Ohio county average, placing it among the more hazard-exposed counties in the state.
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, OH?
What types of natural hazards affect Warren County?
How does Warren County risk compare to the Ohio average?
Is Warren County at risk for flooding?
How is natural disaster risk measured?
Why is Warren County higher risk than average?
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.