Williamson County, Tennessee
Natural Hazard Risk Assessment — Population: 247,523
85.1NRI
Relatively Moderate
Overall Risk Rating
👥
Population
247,523
🏠
Building Value
$61.4B
💰
Annual Hazard Loss
$98.0M
⚠️
Hazards Tracked
14
Natural Hazard Risk Profile
🥶
Relatively HighCold Wave
Annual Loss$13.4M
Risk Score90.7
🏔️
Relatively LowEarthquake
Annual Loss$8.5M
Risk Score89.4
💨
Relatively HighStrong Wind
Annual Loss$3.4M
Risk Score89.1
🌪️
Relatively ModerateTornado
Annual Loss$11.6M
Risk Score88.9
🌊
Relatively ModerateRiverine Flooding
Annual Loss$57.0M
Risk Score88.2
⛄
Relatively ModerateWinter Weather
Annual Loss$469K
Risk Score84.7
❄️
Relatively HighIce Storm
Annual Loss$1.0M
Risk Score84.4
🌡️
Relatively LowHeat Wave
Annual Loss$1.8M
Risk Score72.5
Show all 14 hazards
⛰️
Very LowLandslide
Annual Loss$3K
Risk Score54.2
⚡
Relatively LowLightning
Annual Loss$468K
Risk Score53.7
🧊
Relatively LowHail
Annual Loss$332K
Risk Score41.9
🌀
Very LowHurricane
Annual Loss$55K
Risk Score41.0
🔥
Very LowWildfire
Annual Loss$45K
Risk Score39.8
☀️
Relatively LowDrought
Annual Loss$77K
Risk Score35.8
Williamson County vs. National Average
🎯 Overall Risk
85.1+36.4 vs avg
National avg: 48.7
🔥 Wildfire Risk
39.8-8.9 vs avg
National avg: 48.7
👥 Social Vulnerability
10.6-38.6 vs avg
National avg: 49.2
🛡️ Community Resilience
95.2+46.5 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
10.6
Very LowHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
95.2
Very HighHigher scores indicate better ability to prepare for, adapt to, and recover from hazards.
Frequently Asked Questions
Data from FEMA National Risk Index. For informational purposes only. Consult local authorities for property-specific risk.