Williamson County, Texas
Natural Hazard Risk Assessment — Population: 608,015
90.1NRI
Relatively Moderate
Overall Risk Rating
👥
Population
608,015
🏠
Building Value
$97.2B
💰
Annual Hazard Loss
$136.6M
⚠️
Hazards Tracked
14
Natural Hazard Risk Profile
🧊
Relatively HighHail
Annual Loss$14.1M
Risk Score98.7
⛄
Very HighWinter Weather
Annual Loss$1.5M
Risk Score96.8
🥶
Relatively HighCold Wave
Annual Loss$21.3M
Risk Score95.9
🌪️
Relatively HighTornado
Annual Loss$16.5M
Risk Score93.9
🌊
Relatively ModerateRiverine Flooding
Annual Loss$71.0M
Risk Score91.3
🌡️
Relatively ModerateHeat Wave
Annual Loss$5.3M
Risk Score91.0
⚡
Relatively HighLightning
Annual Loss$1.8M
Risk Score88.8
🔥
Relatively LowWildfire
Annual Loss$1.6M
Risk Score87.8
Show all 14 hazards
❄️
Relatively ModerateIce Storm
Annual Loss$403K
Risk Score72.5
☀️
Relatively ModerateDrought
Annual Loss$964K
Risk Score72.4
🌀
Relatively LowHurricane
Annual Loss$860K
Risk Score69.0
💨
Relatively ModerateStrong Wind
Annual Loss$1.0M
Risk Score55.9
🏔️
Very LowEarthquake
Annual Loss$197K
Risk Score36.5
⛰️
Very LowLandslide
Annual Loss$278
Risk Score24.1
Williamson County vs. National Average
🎯 Overall Risk
90.1+41.4 vs avg
National avg: 48.7
🔥 Wildfire Risk
87.8+39.1 vs avg
National avg: 48.7
👥 Social Vulnerability
10.6-38.6 vs avg
National avg: 49.2
🛡️ Community Resilience
87.9+39.2 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
10.6
Very LowHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
87.9
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.