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

Harrison County Disaster Risk

Harrison County, Kentucky

FEMA Risk Rating

Very Low

National Percentile

34th

of 3,144 counties

State Rank

#74

of 120 (1 = highest risk)

Flood Risk

49th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 49% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 10% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 63% 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 33% of US counties

Risk Overview

About Natural Disaster Risk in Harrison County, Kentucky

Harrison County's low risk profile

Harrison County scores 33.78 on the composite risk scale, earning a Very Low rating and sitting well below Kentucky's state average of 44.21. This places the county among the safer regions for natural disaster risk in the commonwealth.

Top-tier safety ranking in Kentucky

Harrison County ranks favorably among Kentucky's 120 counties for overall natural disaster risk. Its Very Low rating reflects relatively moderate exposure across most hazard types compared to riskier counties statewide.

Safer than regional peers

Harrison County's 33.78 score outperforms neighboring Hart County (41.13) and significantly beats Henderson County (73.16). The county's advantageous position reflects lower-than-average exposure to earthquakes, floods, and severe weather.

Watch for tornadoes and earthquakes

Tornado risk reaches 63.33 in Harrison County, the highest hazard among the five tracked—meaningful but not extreme. Earthquake risk follows at 56.14, reflecting the county's location near mid-continent seismic zones.

Cover your basics with appropriate insurance

Despite a low overall risk profile, Harrison County residents should maintain homeowners insurance that covers tornado damage and consider earthquake coverage if living near fault lines. Standard policies often exclude both perils, leaving gaps in protection.

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

Preparedness Guide

What to Prepare for in Harrison County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    63th percentile
  2. #2
    EarthquakePrepare
    56th percentile
  3. #3
    FloodPrepare
    49th percentile

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

Risk Advisory: Harrison County

Risk Verdict

Natural disaster exposure in Harrison County is lower than roughly three-quarters of U.S. counties, with a composite score at the 34th percentile. At the 34th percentile, Harrison County's risk profile is among the more manageable in the country — the hazard-specific breakdown above shows where any remaining preparedness focus is best directed.

Hazard Breakdown

Tornado risk is Harrison County's dominant natural hazard, ranked at the 63th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 56th percentile nationally. Additional tracked hazards include flood (49th percentile), hurricane (33th percentile), wildfire (10th percentile).

Preparedness Context

Ranked at the 63th percentile nationally for tornado risk, Harrison County is in a zone where storm shelters have the highest per-dollar protective value of any mitigation investment. Harrison County's county shelter map is typically available through the local emergency management office. Alongside tornado exposure, earthquake at the 56th percentile nationally means Harrison County households face multi-hazard severe-weather seasons that benefit from a single integrated emergency plan covering both threats. Harrison County residents can check the county's emergency management website for community shelter locations nearest their address — a step worth completing now, not during a warning.

Regional Context

Harrison County is 10.4 composite risk points below the Kentucky state mean, meaning most other Kentucky counties face higher natural hazard exposure.

Is your household prepared for Harrison 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 Harrison County, KY?
Harrison County has a FEMA National Risk Index rating of Very Low, placing it in the 34th 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 Harrison County?
Harrison County is evaluated for five major natural hazard types: tornado (63th percentile), earthquake (56th percentile), flooding (49th percentile), hurricane (33th percentile), wildfire (10th percentile). The highest-risk hazard is tornado at the 63th 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 Harrison County risk compare to the Kentucky average?
Harrison County's composite risk percentile is 34th, compared to the Kentucky state average of 44th percentile. The state's overall risk rating is Relatively Low. This means Harrison County faces lower natural disaster risk than the typical county in Kentucky.
Is Harrison County at risk for tornado?
Yes, Harrison County's tornado risk is at the 63th percentile nationally. This is above the national median. For flooding specifically, Harrison County is at the 49th 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.
Is Harrison County a safe place to live?
Harrison County's composite risk score of 34th percentile is below the Kentucky state average of 44th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is tornado at the 63th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.
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.