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

Jackson County Disaster Risk

Jackson County, Tennessee

FEMA Risk Rating

Very Low

National Percentile

23th

of 3,144 counties

State Rank

#80

of 95 (1 = highest risk)

Flood Risk

37th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 37% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 7% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 53% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 47% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 25% of US counties

Risk Overview

About Natural Disaster Risk in Jackson County, Tennessee

Jackson County well below state risk

Jackson County's composite risk score of 22.52 places it in the very low category, nearly 30 points below Tennessee's state average of 52.45. This strong safety profile reflects minimal exposure to most major natural hazards.

Among Tennessee's safest counties

With a score of 22.52, Jackson County ranks among Tennessee's lowest-risk counties for natural disaster exposure. The county substantially beats the state average of 52.45, offering residents considerably better protection than most peers statewide.

Safer than Houston and Johnson

Jackson County (22.52) outperforms Houston County (13.10) on composite risk—though Houston remains the state's safest overall—and significantly beats Johnson County (28.18). Jackson's tornado risk (53.05) is notably higher than both neighbors, representing the county's primary natural hazard.

Tornado risk stands out most

Jackson County's primary natural hazard exposure comes from tornado risk at 53.05, which exceeds the national average and represents the county's most significant threat. Flood risk (36.99) and earthquake risk (46.79) remain moderate, while wildfire and hurricane risks stay low.

Focus on tornado preparedness

Jackson County homeowners should ensure their policies include comprehensive wind and hail coverage to address the county's elevated tornado risk of 53.05. A community safe room or personal shelter plan offers the best additional protection for this primary hazard.

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

Preparedness Guide

What to Prepare for in Jackson County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    53th percentile
  2. #2
    EarthquakePrepare
    47th percentile
  3. #3
    FloodPrepare
    37th percentile

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

Risk Advisory: Jackson County

Risk Verdict

Jackson County carries a low natural disaster risk burden, scoring at the 23th percentile under the FEMA National Risk Index. Being ranked at the 23th percentile nationally is an advantage for Jackson County — it means fewer statistically likely events, though basic readiness ensures households are covered when exceptions occur.

Hazard Breakdown

Tornado risk is Jackson County's dominant natural hazard, ranked at the 53th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 47th percentile nationally. Additional tracked hazards include flood (37th percentile), hurricane (25th percentile), wildfire (7th percentile).

Preparedness Context

Jackson County's primary hazard, tornado, ranks at the 53th percentile nationally. In Jackson County, mobile homes and manufactured housing face significantly higher tornado risk than site-built structures; residents in these homes should identify the nearest permanent community shelter in advance. Earthquake is the second hazard driver for Jackson County at the 47th percentile nationally, meaning households should maintain awareness of both severe-weather and earthquake-specific warning systems. The highest-risk window for tornado fatalities is overnight, when Jackson County residents may be asleep. A NOAA weather radio with overnight alert capability is the single most impactful low-cost preparedness step available to Jackson County households.

Regional Context

Compared to the Tennessee county average, Jackson County's composite score runs 29.9 points lower — a gap that reflects the county's relatively modest hazard profile within its state context.

Is your household prepared for Jackson 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 Jackson County, TN?
Jackson County has a FEMA National Risk Index rating of Very Low, placing it in the 23th 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 Jackson County?
Jackson County is evaluated for five major natural hazard types: tornado (53th percentile), earthquake (47th percentile), flooding (37th percentile), hurricane (25th percentile), wildfire (7th percentile). The highest-risk hazard is tornado at the 53th 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 Jackson County risk compare to the Tennessee average?
Jackson County's composite risk percentile is 23th, compared to the Tennessee state average of 53th percentile. The state's overall risk rating is Relatively Low. This means Jackson County faces lower natural disaster risk than the typical county in Tennessee.
Is Jackson County at risk for tornado?
Yes, Jackson County's tornado risk is at the 53th percentile nationally. This is above the national median. For flooding specifically, Jackson County is at the 37th 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 Jackson County a safe place to live?
Jackson County's composite risk score of 23th percentile is below the Tennessee state average of 53th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is tornado at the 53th 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.