Lyon County, Iowa
Natural Hazard Risk Assessment — Population: 11,934
19.2NRI
Very Low
Overall Risk Rating
👥
Population
11,934
🏠
Building Value
$4.0B
💰
Annual Hazard Loss
$10.9M
⚠️
Hazards Tracked
13
Natural Hazard Risk Profile
🧊
Relatively ModerateHail
Annual Loss$2.5M
Risk Score89.4
☀️
Relatively ModerateDrought
Annual Loss$906K
Risk Score72.0
⛄
Relatively ModerateWinter Weather
Annual Loss$209K
Risk Score71.1
❄️
Relatively ModerateIce Storm
Annual Loss$303K
Risk Score67.9
🌪️
Relatively LowTornado
Annual Loss$1.7M
Risk Score45.9
🥶
Relatively LowCold Wave
Annual Loss$1.1M
Risk Score41.8
⛰️
Very LowLandslide
Annual Loss$615
Risk Score33.4
🌡️
Very LowHeat Wave
Annual Loss$206K
Risk Score29.9
Show all 13 hazards
🔥
Very LowWildfire
Annual Loss$20K
Risk Score28.4
🌊
Very LowRiverine Flooding
Annual Loss$3.7M
Risk Score19.6
💨
Relatively LowStrong Wind
Annual Loss$248K
Risk Score18.6
⚡
Very LowLightning
Annual Loss$47K
Risk Score9.2
🏔️
Very LowEarthquake
Annual Loss$11K
Risk Score7.5
Lyon County vs. National Average
🎯 Overall Risk
19.2-29.5 vs avg
National avg: 48.7
🔥 Wildfire Risk
28.4-20.3 vs avg
National avg: 48.7
👥 Social Vulnerability
10.6-38.6 vs avg
National avg: 49.2
🛡️ Community Resilience
79.4+30.7 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
10.6
Very LowHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
79.4
Relatively 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.