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

Dickson County Disaster Risk

Dickson County, Tennessee

FEMA Risk Rating

Relatively Low

National Percentile

53th

of 3,144 counties

State Rank

#51

of 95 (1 = highest risk)

Flood Risk

45th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 45% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 21% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 75% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 89% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 23% of US counties

Risk Overview

About Natural Disaster Risk in Dickson County, Tennessee

Dickson Mirrors National Risk Levels

Dickson County's composite risk score of 53.47 with a Relatively Low rating aligns closely with national averages. This mid-range exposure reflects a balanced profile across hazard types without extreme vulnerability in any single category.

Close to Tennessee's Average Risk

At 53.47, Dickson ranks just slightly above Tennessee's state average of 52.45, placing it squarely in the state's mid-risk range. The county's profile mirrors typical Tennessee disaster exposure patterns.

Moderate Risk Among County Peers

Dickson's 53.47 score sits between DeKalb's very low 25.48 and Davidson's extreme 97.17, showing substantial variation across the Nashville region. It runs notably below Dyer (86.58) and Fayette (75.95) to the northwest and south.

Tornado Dominates Dickson's Hazards

Tornado risk reaches 75.41, making it Dickson's defining hazard and well above state averages. Earthquake risk of 89.09 adds secondary concern, while wildfire and flood risks remain comparatively low.

Prioritize Tornado and Earthquake Coverage

With tornado risk at 75.41 and earthquake risk at 89.09, add specific riders for these hazards to your homeowners policy. Bundle coverage strategically and maintain a current family emergency plan with multiple safe shelter locations.

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

Preparedness Guide

What to Prepare for in Dickson County

Top Hazards by Exposure

  1. #1
    EarthquakePrepare
    89th percentile
  2. #2
    TornadoPrepare
    75th percentile
  3. #3
    FloodPrepare
    45th percentile

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

Risk Advisory: Dickson County

Risk Verdict

Natural hazard pressure in Dickson County is below the national midpoint, with a composite score at the 53th percentile. Proactive emergency planning and awareness of the specific hazards driving Dickson County's score can meaningfully reduce household risk.

Hazard Breakdown

Earthquake risk is Dickson County's dominant natural hazard, ranked at the 89th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 75th percentile nationally. Additional tracked hazards include flood (45th percentile), hurricane (23th percentile), wildfire (21th percentile).

Preparedness Context

Earthquake exposure at the 89th percentile nationally puts Dickson County in a zone where utilities — gas, water, electrical — are the most common post-quake hazard. Knowing how to shut off the main gas valve is an important household skill to develop before an event occurs. Alongside earthquake exposure, Dickson County's tornado risk at the 75th percentile nationally reinforces the value of maintaining a household emergency supply cache usable for multiple hazard scenarios. Dickson County households benefit from keeping shoes and a flashlight near the bed — post-earthquake navigation through debris in the dark is a common cause of secondary injury. This low-cost step has outsized protective value.

Regional Context

Dickson County's risk score is broadly comparable to the Tennessee county average, with a 1.0-point gap that places the county near the center of the state's hazard distribution.

Is your household prepared for Dickson 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 Dickson County, TN?
Dickson County has a FEMA National Risk Index rating of Relatively Low, placing it in the 53th 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 Dickson County?
Dickson County is evaluated for five major natural hazard types: earthquake (89th percentile), tornado (75th percentile), flooding (45th percentile), hurricane (23th percentile), wildfire (21th percentile). The highest-risk hazard is earthquake at the 89th 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 Dickson County risk compare to the Tennessee average?
Dickson County's composite risk percentile is 53th, compared to the Tennessee state average of 53th percentile. The state's overall risk rating is Relatively Low. This means Dickson County faces higher natural disaster risk than the typical county in Tennessee.
Is Dickson County at risk for earthquake?
Yes, Dickson County's earthquake risk is at the 89th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Dickson County is at the 45th 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.
Why is Dickson County higher risk than average?
Dickson County's composite risk score of 53th percentile is above the Tennessee state average of 53th percentile. This elevated risk is driven by earthquake exposure (89th percentile), along with tornado 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.