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

Lake County Disaster Risk

Lake County, Ohio

FEMA Risk Rating

Relatively Low

National Percentile

77th

of 3,144 counties

State Rank

#16

of 88 (1 = highest risk)

Flood Risk

86th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 86% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 29% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 75% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 61% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 49% of US counties

Risk Overview

About Natural Disaster Risk in Lake County, Ohio

Lake County's elevated risk score

Lake County's composite score of 77.35 places it well above the national average with a Relatively Low rating despite the higher number. This reflects significant natural hazard exposure that requires serious preparedness planning.

Among Ohio's highest-risk counties

At 77.35, Lake County's score substantially exceeds Ohio's 55.03 state average, ranking it in the top tier of the state's most hazard-exposed counties. Few Ohio counties carry comparable composite risk scores.

Notably riskier than surrounding areas

Lake County's 77.35 score significantly outpaces most neighboring counties, making it a relative hotspot for natural hazards in northeast Ohio. Its combination of tornado and flood risks particularly exceeds regional norms.

Tornadoes and floods dominate landscape

Lake County faces exceptional tornado risk at 75.19—among the highest in the state—and extreme flood exposure at 86.10. Together, these two hazards account for most of the county's elevated composite risk.

Comprehensive coverage is critical here

Lake County residents must carry robust homeowners insurance with full wind and tornado coverage due to the exceptional 75.19 tornado score. Flood insurance is equally essential, particularly for any property within 500 feet of a waterway or low-lying area.

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

Preparedness Guide

What to Prepare for in Lake County

Top Hazards by Exposure

  1. #1
    FloodPrepare
    86th percentile
  2. #2
    TornadoPrepare
    75th percentile
  3. #3
    EarthquakePrepare
    61th percentile

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

Risk Advisory: Lake County

Risk Verdict

Lake County's FEMA risk score places it at the 77th percentile nationally, indicating lower-than-typical exposure for a U.S. county. At this risk level, having a documented household preparedness plan — not just awareness — is the meaningful next step for Lake County residents.

Hazard Breakdown

Flood risk is Lake County's dominant natural hazard, ranked at the 86th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 75th percentile nationally. Additional tracked hazards include earthquake (61th percentile), hurricane (49th percentile), wildfire (29th percentile).

Preparedness Context

At the 86th percentile nationally for flood risk, Lake County residents benefit from understanding their specific flood zone status. Even one inch of floodwater causes significant structural damage to properties outside officially designated high-risk zones. The county's second-ranked hazard, tornado at the 75th percentile nationally, means Lake County residents face compounding risks from multiple natural hazard types during peak seasons. A tested family preparedness plan specific to Lake County's primary hazards — including how to shelter in place or evacuate, and who to call — provides more real protection than a general emergency kit sitting unused on a shelf.

Regional Context

The Ohio county average is 22.3 composite points below Lake County's score, a gap that reflects the county's elevated position in the state's hazard distribution.

Is your household prepared for Lake 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 Lake County, OH?
Lake County has a FEMA National Risk Index rating of Relatively Low, placing it in the 77th 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 Lake County?
Lake County is evaluated for five major natural hazard types: flooding (86th percentile), tornado (75th percentile), earthquake (61th percentile), hurricane (49th percentile), wildfire (29th percentile). The highest-risk hazard is flooding 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 Lake County risk compare to the Ohio average?
Lake County's composite risk percentile is 77th, compared to the Ohio state average of 55th percentile. The state's overall risk rating is Relatively Low. This means Lake County faces higher natural disaster risk than the typical county in Ohio.
Is Lake County at risk for flooding?
Yes, Lake County's flooding risk is at the 86th 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 Lake County higher risk than average?
Lake County's composite risk score of 77th percentile is above the Ohio state average of 55th percentile. This elevated risk is driven by flooding exposure (86th percentile), along with tornado 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.