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

Oldham County Disaster Risk

Oldham County, Kentucky

FEMA Risk Rating

Relatively Low

National Percentile

56th

of 3,144 counties

State Rank

#36

of 120 (1 = highest risk)

Flood Risk

60th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 60% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 17% of US counties

Tornado

Tornado and severe thunderstorm risk

Moderate

Higher than 86% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 56% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 9% of US counties

Risk Overview

About Natural Disaster Risk in Oldham County, Kentucky

Oldham County's tornado risk stands out

Oldham County scores 55.98 on the composite risk scale, above Kentucky's state average of 44.21, with an exceptionally high tornado risk of 85.53 that ranks among the state's worst. The county's other hazards remain moderate, but the tornado threat alone elevates Oldham to significant vulnerability status.

Highest tornado risk in study area

Oldham County's composite score of 55.98 ranks it above the state average, but its tornado risk (85.53) is the most extreme among the eight counties profiled here. This places Oldham in Kentucky's highest-risk tier for severe convective storms and tornado activity.

Notably tornado-prone compared to peers

Oldham County's 85.53 tornado score vastly exceeds neighboring Nelson (69.08), Pendleton (51.81), and Owen (50.60) counties, making it the regional tornado hotspot. Its overall 55.98 composite score matches Nelson's level but reflects a narrower, more tornado-focused risk profile.

Tornadoes are the defining threat

Oldham County faces the most dangerous tornado risk (85.53) among the eight-county study area, making severe convective storms the dominant disaster concern. Flood risk (59.70) ranks moderate-to-high, while earthquake (56.11) and wildfire (16.54) exposures are secondary.

Tornado preparedness is non-negotiable

Every Oldham County household must have a tornado safety plan and identify a hardened safe room or basement shelter to withstand the county's extreme 85.53 tornado risk. Reinforced roofing, impact-resistant windows, and an active severe weather monitoring system complement comprehensive homeowners insurance as essential protections.

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

Preparedness Guide

What to Prepare for in Oldham County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    86th percentile
  2. #2
    FloodPrepare
    60th percentile
  3. #3
    EarthquakePrepare
    56th percentile

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

Risk Advisory: Oldham County

Risk Verdict

Natural hazard pressure in Oldham County is below the national midpoint, with a composite score at the 56th percentile. Proactive emergency planning and awareness of the specific hazards driving Oldham County's score can meaningfully reduce household risk.

Hazard Breakdown

Tornado risk is Oldham County's dominant natural hazard, ranked at the 86th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 60th percentile nationally. Additional tracked hazards include earthquake (56th percentile), wildfire (17th percentile), hurricane (9th percentile).

Preparedness Context

With tornado ranked at the 86th percentile nationally, Oldham County sits in a high-exposure zone where the difference between outcomes often comes down to proximity to a reinforced interior shelter and seconds of warning time. Flood is the second hazard driver for Oldham County at the 60th percentile nationally, meaning households should maintain awareness of both severe-weather and flood-specific warning systems. For Oldham County households, safe rooms certified to FEMA 320/361 standards offer the highest protection during a direct tornado hit; households without a safe room should locate the innermost lowest-floor room in their building and practice the route to it before storm season.

Regional Context

Oldham County is 11.8 composite risk points above the Kentucky average, indicating that residents face greater natural hazard exposure than most of their in-state neighbors.

Is your household prepared for Oldham 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 Oldham County, KY?
Oldham County has a FEMA National Risk Index rating of Relatively Low, placing it in the 56th 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 Oldham County?
Oldham County is evaluated for five major natural hazard types: tornado (86th percentile), flooding (60th percentile), earthquake (56th percentile), wildfire (17th percentile), hurricane (9th percentile). The highest-risk hazard is tornado 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 Oldham County risk compare to the Kentucky average?
Oldham County's composite risk percentile is 56th, compared to the Kentucky state average of 44th percentile. The state's overall risk rating is Relatively Low. This means Oldham County faces higher natural disaster risk than the typical county in Kentucky.
Is Oldham County at risk for tornado?
Yes, Oldham County's tornado risk is at the 86th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Oldham County is at the 60th 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 Oldham County higher risk than average?
Oldham County's composite risk score of 56th percentile is above the Kentucky state average of 44th percentile. This elevated risk is driven by tornado exposure (86th percentile), along with flooding and earthquake 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.