riskbycounty
FEMA National Risk Index

Johnson County Disaster Risk

Johnson County, Georgia

FEMA Risk Rating

Very Low

National Percentile

9th

of 3,144 counties

State Rank

#133

of 159 (1 = highest risk)

Flood Risk

11th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 11% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 46% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 30% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 52% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 69% of US counties

Risk Advisory: Johnson County

Risk Verdict

Johnson County has a very low overall disaster risk profile, scoring in the 9th percentile nationally. This county is among the safer counties in the United States from a natural disaster perspective, though no area is entirely risk-free.

Hazard Breakdown

Hurricane risk is the dominant hazard for Johnson County, scoring in the 69th percentile nationally. It is followed by earthquake risk at the 52th percentile. Additional hazards include wildfire (46th), tornado (30th), flood (11th).

Preparedness Context

With hurricane risk as the top concern, Johnson County residents should know your evacuation route, stockpile supplies for at least 72 hours, and review your homeowners and flood insurance policies annually. Secondary risks such as earthquake also warrant attention in household and community preparedness planning. FEMA recommends all households maintain at least 72 hours of food, water, and medication supplies regardless of specific hazard exposure.

Regional Context

Johnson County is notably safer than the average county in Georgia. Its composite risk score is 30.2 points lower than the state average, indicating below-average exposure to natural hazards relative to other counties in the state.

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Frequently Asked Questions

What is the natural disaster risk in Johnson County, GA?
Johnson County has a FEMA National Risk Index rating of Very Low, placing it in the 9th 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 Johnson County?
Johnson County is evaluated for five major natural hazard types: hurricane (69th percentile), earthquake (52th percentile), wildfire (46th percentile), tornado (30th percentile), flooding (11th percentile). The highest-risk hazard is hurricane at the 69th 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 Johnson County risk compare to the Georgia average?
Johnson County's composite risk percentile is 9th, compared to the Georgia state average of 40th percentile. The state's overall risk rating is Very Low. This means Johnson County faces lower natural disaster risk than the typical county in Georgia.
Is Johnson County at risk for hurricane?
Yes, Johnson County's hurricane risk is at the 69th percentile nationally. This is above the national median. For flooding specifically, Johnson County is at the 11th 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 Johnson County a safe place to live?
Johnson County's composite risk score of 9th percentile is below the Georgia state average of 40th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is hurricane at the 69th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.

Counties with Similar Risk

Baker County

Georgia

+0.5

Very Low

10th percentile

Twiggs County

Georgia

-0.8

Very Low

8th percentile

Clay County

Georgia

-0.8

Very Low

8th percentile

By Logan Johnson, Founder & Data EditorUpdated Reviewed by Logan Johnson, Founder & 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.

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