riskbycounty
FEMA NRI 1.19.0Updated Nov 2023 · Coverage 2014–2023Methodology

Ohio County Disaster Risk

Ohio County, West Virginia

FEMA Risk Rating

Relatively Low

National Percentile

70th

of 3,144 counties

State Rank

#13

of 55 (1 = highest risk)

Flood Risk

85th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 85% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 15% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 33% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 29% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 52% of US counties

Risk Overview

About Natural Disaster Risk in Ohio County, West Virginia

Ohio County's Elevated Risk Profile

Ohio County's composite risk score of 69.82 substantially exceeds the national average, carrying a "Relatively Low" designation that understates its actual exposure. The county faces above-average natural disaster vulnerabilities, particularly in flooding, making it notably more at-risk than most U.S. counties.

Among West Virginia's Riskiest Counties

Ohio County's score of 69.82 ranks it among the higher-risk counties in West Virginia, well above the state average of 49.21. Only a handful of state counties exceed Ohio County's composite hazard exposure.

Highest Risk in Regional Cluster

Ohio County faces substantially greater risk than Pendleton County (30.12), Morgan County (30.44), and Preston County (33.84), though it's comparable to Putnam County (74.01). Its geographic position along major waterways contributes to elevated risk compared to neighboring upland counties.

Severe Flood Risk Dominates County

Flood risk is Ohio County's paramount concern, scoring 85.31—among the highest in West Virginia and substantially above state and national averages. Tornado risk (33.46) and hurricane exposure (52.11) are also noteworthy, while wildfire and earthquake risks remain minimal.

Flood Insurance Is Non-Negotiable

Ohio County residents face critical flood risk and should secure flood insurance immediately—standard homeowners policies do not cover flood damage. Additionally, ensure your home has proper drainage, elevated utilities where possible, and emergency preparedness for water-related disasters.

Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor

Preparedness Guide

What to Prepare for in Ohio County

Top Hazards by Exposure

  1. #1
    FloodPrepare
    85th percentile
  2. #2
    HurricanePrepare
    52th percentile
  3. #3
    TornadoPrepare
    33th percentile

Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)

Risk Advisory: Ohio County

Risk Verdict

With a national percentile rank of 70th, Ohio County faces below-average hazard exposure relative to U.S. counties as a whole. Above-average risk does not mean imminent danger; it signals that informed, hazard-specific preparedness has high value here.

Hazard Breakdown

Flood risk is Ohio County's dominant natural hazard, ranked at the 85th percentile nationally under FEMA's National Risk Index. Hurricane ranks second at the 52th percentile nationally. Additional tracked hazards include tornado (33th percentile), earthquake (29th percentile), wildfire (15th percentile).

Preparedness Context

With flood risk ranking at the 85th percentile nationally, Ohio County residents face one of the most financially damaging hazards without specialized coverage. Flood insurance through the NFIP or a private carrier is worth evaluating regardless of current mortgage requirements. Alongside flooding, hurricane exposure at the 52th percentile means households benefit from a multi-hazard preparedness plan rather than focusing on flood alone. Registering for Ohio County's county emergency alert system — typically through the county emergency management office's website — ensures households receive early warning when flood events develop faster than forecast.

Regional Context

At 20.6 points above the West Virginia state average, Ohio County carries meaningfully higher natural disaster exposure than a typical West Virginia county.

Is your household prepared for Ohio County's hazards?

Review FEMA's county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

Frequently Asked Questions

What is the natural disaster risk in Ohio County, WV?
Ohio County has a FEMA National Risk Index rating of Relatively Low, placing it in the 70th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.
What types of natural hazards affect Ohio County?
Ohio County is evaluated for five major natural hazard types: flooding (85th percentile), hurricane (52th percentile), tornado (33th percentile), earthquake (29th percentile), wildfire (15th percentile). The highest-risk hazard is flooding at the 85th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.
How does Ohio County risk compare to the West Virginia average?
Ohio County's composite risk percentile is 70th, compared to the West Virginia state average of 49th percentile. The state's overall risk rating is Relatively Low. This means Ohio County faces higher natural disaster risk than the typical county in West Virginia.
Is Ohio County at risk for flooding?
Yes, Ohio County's flooding risk is at the 85th percentile nationally. This places it in the top quartile for this hazard type.
How is natural disaster risk measured?
FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.
Why is Ohio County higher risk than average?
Ohio County's composite risk score of 70th percentile is above the West Virginia state average of 49th percentile. This elevated risk is driven by flooding exposure (85th percentile), along with hurricane risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.
By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

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.