Sioux County, Iowa
Natural Hazard Risk Assessment — Population: 35,872
52.4NRI
Relatively Low
Overall Risk Rating
👥
Population
35,872
🏠
Building Value
$15.1B
💰
Annual Hazard Loss
$29.8M
⚠️
Hazards Tracked
13
Natural Hazard Risk Profile
🧊
Relatively HighHail
Annual Loss$5.7M
Risk Score95.5
⛄
Relatively HighWinter Weather
Annual Loss$557K
Risk Score87.0
🌪️
Relatively ModerateTornado
Annual Loss$6.6M
Risk Score79.4
❄️
Relatively ModerateIce Storm
Annual Loss$421K
Risk Score71.8
☀️
Relatively ModerateDrought
Annual Loss$1.0M
Risk Score71.5
🥶
Relatively LowCold Wave
Annual Loss$2.5M
Risk Score60.9
🌊
Relatively LowRiverine Flooding
Annual Loss$11.4M
Risk Score49.5
💨
Relatively LowStrong Wind
Annual Loss$934K
Risk Score49.1
Show all 13 hazards
🌡️
Relatively LowHeat Wave
Annual Loss$412K
Risk Score40.7
🔥
Very LowWildfire
Annual Loss$44K
Risk Score39.7
⛰️
Very LowLandslide
Annual Loss$538
Risk Score30.2
⚡
Relatively LowLightning
Annual Loss$187K
Risk Score29.9
🏔️
Very LowEarthquake
Annual Loss$46K
Risk Score19.1
Sioux County vs. National Average
🎯 Overall Risk
52.4+3.7 vs avg
National avg: 48.7
🔥 Wildfire Risk
39.7-9.0 vs avg
National avg: 48.7
👥 Social Vulnerability
10.6-38.6 vs avg
National avg: 49.2
🛡️ Community Resilience
95.1+46.4 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
10.6
Very LowHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
95.1
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.