Linn County, Iowa
Natural Hazard Risk Assessment — Population: 230,253
86.7NRI
Relatively Moderate
Overall Risk Rating
👥
Population
230,253
🏠
Building Value
$54.4B
💰
Annual Hazard Loss
$79.1M
⚠️
Hazards Tracked
14
Natural Hazard Risk Profile
💨
Very HighStrong Wind
Annual Loss$7.9M
Risk Score98.4
🧊
Relatively HighHail
Annual Loss$6.7M
Risk Score97.6
🌪️
Relatively HighTornado
Annual Loss$16.2M
Risk Score95.5
⛄
Relatively HighWinter Weather
Annual Loss$787K
Risk Score94.5
☀️
Relatively ModerateDrought
Annual Loss$1.8M
Risk Score87.7
🌊
Relatively ModerateRiverine Flooding
Annual Loss$36.2M
Risk Score86.7
❄️
Relatively HighIce Storm
Annual Loss$805K
Risk Score85.9
⚡
Relatively HighLightning
Annual Loss$1.2M
Risk Score85.1
Show all 14 hazards
🥶
Relatively ModerateCold Wave
Annual Loss$5.9M
Risk Score83.9
🌡️
Relatively LowHeat Wave
Annual Loss$1.1M
Risk Score69.2
⛰️
Relatively LowLandslide
Annual Loss$6K
Risk Score68.3
🏔️
Very LowEarthquake
Annual Loss$498K
Risk Score57.2
🔥
Very LowWildfire
Annual Loss$49K
Risk Score47.0
🌀
Very LowHurricane
Annual Loss$5K
Risk Score16.3
Linn County vs. National Average
🎯 Overall Risk
86.7+38.0 vs avg
National avg: 48.7
🔥 Wildfire Risk
47.0-1.7 vs avg
National avg: 48.7
👥 Social Vulnerability
15.4-33.8 vs avg
National avg: 49.2
🛡️ Community Resilience
98.7+50.0 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
15.4
Very LowHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
98.7
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.