McHenry County, Illinois
Natural Hazard Risk Assessment — Population: 310,151
90.8NRI
Relatively Moderate
Overall Risk Rating
👥
Population
310,151
🏠
Building Value
$88.5B
💰
Annual Hazard Loss
$142.5M
⚠️
Hazards Tracked
14
Natural Hazard Risk Profile
🥶
Relatively HighCold Wave
Annual Loss$23.5M
Risk Score96.7
🌪️
Relatively HighTornado
Annual Loss$24.6M
Risk Score96.3
🌊
Relatively ModerateRiverine Flooding
Annual Loss$85.1M
Risk Score93.1
💨
Relatively HighStrong Wind
Annual Loss$2.5M
Risk Score85.5
🧊
Relatively ModerateHail
Annual Loss$1.3M
Risk Score79.5
⛄
Relatively ModerateWinter Weather
Annual Loss$310K
Risk Score79.2
🌡️
Relatively LowHeat Wave
Annual Loss$1.8M
Risk Score75.5
🏔️
Relatively LowEarthquake
Annual Loss$1.8M
Risk Score74.7
Show all 14 hazards
⚡
Relatively ModerateLightning
Annual Loss$871K
Risk Score73.5
☀️
Relatively LowDrought
Annual Loss$420K
Risk Score59.2
⛰️
Very LowLandslide
Annual Loss$3K
Risk Score57.2
❄️
Relatively LowIce Storm
Annual Loss$171K
Risk Score55.6
🔥
Very LowWildfire
Annual Loss$25K
Risk Score31.6
🌀
Very LowHurricane
Annual Loss$3K
Risk Score10.3
McHenry County vs. National Average
🎯 Overall Risk
90.8+42.1 vs avg
National avg: 48.7
🔥 Wildfire Risk
31.6-17.1 vs avg
National avg: 48.7
👥 Social Vulnerability
10.6-38.6 vs avg
National avg: 49.2
🛡️ Community Resilience
84.0+35.3 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
10.6
Very LowHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
84.0
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.