Rock County, Wisconsin
Natural Hazard Risk Assessment — Population: 163,608
86.4NRI
Relatively Moderate
Overall Risk Rating
👥
Population
163,608
🏠
Building Value
$41.0B
💰
Annual Hazard Loss
$73.3M
⚠️
Hazards Tracked
14
Natural Hazard Risk Profile
🧊
Relatively HighHail
Annual Loss$3.9M
Risk Score95.6
🌪️
Relatively HighTornado
Annual Loss$12.9M
Risk Score94.3
🥶
Relatively HighCold Wave
Annual Loss$12.6M
Risk Score94.1
🌊
Relatively ModerateRiverine Flooding
Annual Loss$37.9M
Risk Score87.6
💨
Relatively HighStrong Wind
Annual Loss$2.0M
Risk Score86.2
⚡
Relatively HighLightning
Annual Loss$1.1M
Risk Score84.7
🌡️
Relatively ModerateHeat Wave
Annual Loss$1.9M
Risk Score80.8
⛄
Relatively ModerateWinter Weather
Annual Loss$114K
Risk Score61.2
Show all 14 hazards
⛰️
Very LowLandslide
Annual Loss$3K
Risk Score60.1
🏔️
Very LowEarthquake
Annual Loss$529K
Risk Score59.3
❄️
Relatively LowIce Storm
Annual Loss$147K
Risk Score57.9
☀️
Relatively LowDrought
Annual Loss$152K
Risk Score48.0
🔥
Very LowWildfire
Annual Loss$14K
Risk Score26.8
🌀
Very LowHurricane
Annual Loss$4K
Risk Score14.9
Rock County vs. National Average
🎯 Overall Risk
86.4+37.7 vs avg
National avg: 48.7
🔥 Wildfire Risk
26.8-21.9 vs avg
National avg: 48.7
👥 Social Vulnerability
18.4-30.8 vs avg
National avg: 49.2
🛡️ Community Resilience
81.2+32.5 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
18.4
Very LowHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
81.2
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.