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

Ohio County Disaster Risk

Ohio County, Kentucky

FEMA Risk Rating

Relatively Low

National Percentile

54th

of 3,144 counties

State Rank

#40

of 120 (1 = highest risk)

Flood Risk

54th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 54% 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 64% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 86% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 41% of US counties

Risk Overview

About Natural Disaster Risk in Ohio County, Kentucky

Ohio County faces above-average risk

Ohio County scores 54.17 on the composite risk scale, well above Kentucky's state average of 44.21, driven primarily by significant tornado (63.68) and earthquake (85.75) exposure. The county ranks in the upper tier of U.S. disaster vulnerability despite its relatively low wildfire threat.

Upper-middle risk rank in Kentucky

Ohio County's 54.17 composite score places it above average across Kentucky's 120 counties, in the higher-risk quartile statewide. The county's severe earthquake (85.75) and tornado (63.68) vulnerabilities drive this elevated standing relative to the state mean of 44.21.

Similar risk to Muhlenberg and Nelson

Ohio County's 54.17 score aligns closely with neighboring Muhlenberg (53.24) and Nelson (55.18) counties, all sharing elevated tornado and earthquake exposures. More distant neighbors like Owen County (15.20) and Pendleton County (29.90) experience markedly lower hazard levels.

Earthquakes and tornadoes dominate

Ohio County residents confront exceptionally high earthquake risk (85.75) and considerable tornado exposure (63.68), making these the twin pillars of hazard planning. Flood risk (53.85) ranks moderate-to-high, while wildfire (11.77) remains minimal.

Earthquake and storm policies vital

A standalone earthquake insurance policy is essential for Ohio County homeowners, given the county's 85.75 seismic risk score that standard policies exclude. Tornado-resistant construction features, an accessible safe room, and comprehensive homeowners coverage form the foundation of household disaster resilience.

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
    EarthquakePrepare
    86th percentile
  2. #2
    TornadoPrepare
    64th percentile
  3. #3
    FloodPrepare
    54th 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 54th, 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

Earthquake risk is Ohio County's dominant natural hazard, ranked at the 86th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 64th percentile nationally. Additional tracked hazards include flood (54th percentile), hurricane (41th percentile), wildfire (12th percentile).

Preparedness Context

At the 86th percentile nationally for earthquake exposure, Ohio County households benefit from practicing Drop, Cover, and Hold On — the protocol that minimizes injury during shaking. Getting under a sturdy table or desk and holding on until shaking stops is the key action. Alongside earthquake exposure, Ohio County's tornado risk at the 64th percentile nationally reinforces the value of maintaining a household emergency supply cache usable for multiple hazard scenarios. Building age matters for earthquake risk in Ohio County: structures built before local seismic code adoption are statistically more vulnerable. Contacting the local building department about retrofit programs can reveal whether your structure qualifies for mitigation assistance.

Regional Context

At 10.0 points above the Kentucky state average, Ohio County carries meaningfully higher natural disaster exposure than a typical Kentucky 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, KY?
Ohio County has a FEMA National Risk Index rating of Relatively Low, placing it in the 54th 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: earthquake (86th percentile), tornado (64th percentile), flooding (54th percentile), hurricane (41th percentile), wildfire (12th percentile). The highest-risk hazard is earthquake at the 86th 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 Kentucky average?
Ohio County's composite risk percentile is 54th, compared to the Kentucky state average of 44th percentile. The state's overall risk rating is Relatively Low. This means Ohio County faces higher natural disaster risk than the typical county in Kentucky.
Is Ohio County at risk for earthquake?
Yes, Ohio County's earthquake risk is at the 86th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Ohio County is at the 54th percentile.
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 54th percentile is above the Kentucky state average of 44th percentile. This elevated risk is driven by earthquake exposure (86th percentile), along with tornado and flooding 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.