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

Jefferson County Disaster Risk

Jefferson County, Georgia

FEMA Risk Rating

Very Low

National Percentile

26th

of 3,144 counties

State Rank

#95

of 159 (1 = highest risk)

Flood Risk

24th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 24% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 51% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 47% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 66% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 76% of US counties

Risk Overview

About Natural Disaster Risk in Jefferson County, Georgia

Jefferson County's Risk: Well Below National Average

Jefferson County scores 25.83 on the composite risk scale, placing it in the Very Low category and significantly below Georgia's state average of 39.49. This means residents face substantially lower disaster risk compared to typical American counties, though preparation remains important for the hazards that do exist.

Among Georgia's Safest Counties

Jefferson County ranks favorably within Georgia, with a composite risk score nearly 35% below the state average. The county's Very Low rating reflects lower exposure to most major hazards compared to its peers across the state.

Safer Than Most Central Georgia Peers

Jefferson County's score of 25.83 compares favorably to nearby Johnson County (9.26) and Jones County (16.38), though it faces slightly elevated wildfire and earthquake risks relative to the safest neighboring counties. The variation shows that even within the same region, disaster preparedness needs differ.

Wildfire and Earthquake Top Concerns Here

Wildfire risk scores 51.49 and earthquake risk reaches 65.78 in Jefferson County—well above flood and tornado risks. While absolute risk remains low compared to national standards, these two hazards warrant attention in your preparedness planning.

Ensure Coverage for Earthquake Risk

Standard homeowners insurance typically excludes earthquake damage, yet Jefferson County's earthquake score of 65.78 suggests supplemental earthquake coverage deserves consideration. Combine earthquake insurance with wildfire preparedness—including defensible space around your home—to address your county's primary natural disaster vulnerabilities.

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

Preparedness Guide

What to Prepare for in Jefferson County

Top Hazards by Exposure

  1. #1
    HurricanePrepare
    76th percentile
  2. #2
    EarthquakePrepare
    66th percentile
  3. #3
    WildfirePrepare
    51th percentile

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

Risk Advisory: Jefferson County

Risk Verdict

Jefferson County's overall natural disaster score at the 26th percentile puts it well below the national median for hazard exposure. Residents of Jefferson County can use the 26th percentile ranking as a baseline, while recognizing that individual properties may still lie in specific hazard zones that differ from the county average.

Hazard Breakdown

Hurricane risk is Jefferson County's dominant natural hazard, ranked at the 76th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 66th percentile nationally. Additional tracked hazards include wildfire (51th percentile), tornado (47th percentile), flood (24th percentile).

Preparedness Context

Hurricane exposure at the 76th percentile nationally makes Jefferson County a county where pre-season preparedness — not storm-day preparation — determines outcomes. Jefferson County evacuation decisions under a watch or warning benefit from prior planning, not routes improvised under time pressure. Earthquake at the 66th percentile nationally is Jefferson County's secondary hazard, often intensified by the same weather systems that produce hurricane conditions. Jefferson County residents benefit from registering with the county's special-needs evacuation registry if household members have mobility limitations, require electricity-dependent medical equipment, or cannot self-evacuate — registration in advance of storm season is required.

Regional Context

Jefferson County's composite risk score sits 13.7 points below the Georgia county average, reflecting a more favorable hazard environment than the state typical.

Is your household prepared for Jefferson 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 Jefferson County, GA?
Jefferson County has a FEMA National Risk Index rating of Very Low, placing it in the 26th 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 Jefferson County?
Jefferson County is evaluated for five major natural hazard types: hurricane (76th percentile), earthquake (66th percentile), wildfire (51th percentile), tornado (47th percentile), flooding (24th percentile). The highest-risk hazard is hurricane at the 76th 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 Jefferson County risk compare to the Georgia average?
Jefferson County's composite risk percentile is 26th, compared to the Georgia state average of 40th percentile. The state's overall risk rating is Very Low. This means Jefferson County faces lower natural disaster risk than the typical county in Georgia.
Is Jefferson County at risk for hurricane?
Yes, Jefferson County's hurricane risk is at the 76th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Jefferson County is at the 24th 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 Jefferson County a safe place to live?
Jefferson County's composite risk score of 26th 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 76th 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.