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

Davidson County Disaster Risk

Davidson County, Tennessee

FEMA Risk Rating

Relatively High

National Percentile

97th

of 3,144 counties

State Rank

#2

of 95 (1 = highest risk)

Flood Risk

98th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively High

Higher than 98% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 58% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively High

Higher than 98% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively High

Higher than 98% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 54% of US counties

Risk Overview

About Natural Disaster Risk in Davidson County, Tennessee

Nashville's Exceptional Risk Profile

Davidson County scores 97.17 on composite risk with a Relatively High rating—among the most vulnerable counties in the entire nation. This score reflects extraordinary exposure across multiple hazard categories, from tornadoes and earthquakes to floods.

Tennessee's Highest-Risk County

Davidson County's 97.17 composite risk score is more than 45 points above Tennessee's state average of 52.45, making it decisively the state's riskiest county. No other Tennessee county approaches this level of cumulative disaster exposure.

Dramatically Riskier Than Surroundings

Davidson's 97.17 score dwarfs those of adjacent counties: Dickson (53.47), Sumner (not listed), and DeKalb (25.48). Nashville's urban density and infrastructure vulnerability amplify its disaster risk relative to surrounding rural areas.

Flood, Tornado, and Earthquake Threats

Flood risk reaches near-catastrophic levels at 98.19, tornado risk stands at 97.93, and earthquake risk hits 98.22—all among the nation's highest. These overlapping hazards make Davidson uniquely vulnerable to multiple simultaneous disaster scenarios.

Comprehensive Coverage Is Non-Negotiable

With a composite risk of 97.17, standard homeowners insurance is insufficient—add flood insurance (through the National Flood Insurance Program) and separate earthquake coverage immediately. Consider additional umbrella liability coverage given Davidson's exceptional vulnerability to multiple hazard types.

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

Preparedness Guide

What to Prepare for in Davidson County

Top Hazards by Exposure

  1. #1
    EarthquakePrepare
    98th percentile
  2. #2
    FloodPrepare
    98th percentile
  3. #3
    TornadoPrepare
    98th percentile

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

Risk Advisory: Davidson County

Risk Verdict

Davidson County's composite risk score ranks at the 97th percentile nationally, reflecting genuine multi-hazard exposure for residents. At this risk level, having a documented household preparedness plan — not just awareness — is the meaningful next step for Davidson County residents.

Hazard Breakdown

Earthquake risk is Davidson County's dominant natural hazard, ranked at the 98th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 98th percentile nationally. Additional tracked hazards include tornado (98th percentile), wildfire (58th percentile), hurricane (54th percentile).

Preparedness Context

With earthquake ranked as the top hazard at the 98th percentile nationally, Davidson County residents benefit from reviewing homeowners insurance: standard policies rarely cover earthquake damage, and separate earthquake insurance must be purchased before an event. Alongside earthquake exposure, Davidson County's flood risk at the 98th percentile nationally reinforces the value of maintaining a household emergency supply cache usable for multiple hazard scenarios. Earthquake insurance in Davidson County is typically offered as a separate policy — standard homeowners coverage excludes ground movement. Reviewing this gap and comparing policy options before an event is a financial preparedness step with potentially large consequences.

Regional Context

The Tennessee county average is 44.7 composite points below Davidson County's score, a gap that reflects the county's elevated position in the state's hazard distribution.

Is your household prepared for Davidson 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 Davidson County, TN?
Davidson County has a FEMA National Risk Index rating of Relatively High, placing it in the 97th 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 Davidson County?
Davidson County is evaluated for five major natural hazard types: earthquake (98th percentile), flooding (98th percentile), tornado (98th percentile), wildfire (58th percentile), hurricane (54th percentile). The highest-risk hazard is earthquake at the 98th 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 Davidson County risk compare to the Tennessee average?
Davidson County's composite risk percentile is 97th, compared to the Tennessee state average of 53th percentile. The state's overall risk rating is Relatively Low. This means Davidson County faces higher natural disaster risk than the typical county in Tennessee.
Is Davidson County at risk for earthquake?
Yes, Davidson County's earthquake risk is at the 98th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Davidson County is at the 98th 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 Davidson County higher risk than average?
Davidson County's composite risk score of 97th percentile is above the Tennessee state average of 53th percentile. This elevated risk is driven by earthquake exposure (98th percentile), along with flooding and tornado and wildfire and hurricane 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.