Jefferson County, Iowa
Natural Hazard Risk Assessment — Population: 15,635
27.1NRI
Very Low
Overall Risk Rating
👥
Population
15,635
🏠
Building Value
$4.5B
💰
Annual Hazard Loss
$7.5M
⚠️
Hazards Tracked
14
Natural Hazard Risk Profile
☀️
Relatively ModerateDrought
Annual Loss$900K
Risk Score82.3
🌡️
Relatively ModerateHeat Wave
Annual Loss$1.2M
Risk Score79.5
🧊
Relatively ModerateHail
Annual Loss$592K
Risk Score75.3
⚡
Relatively ModerateLightning
Annual Loss$380K
Risk Score67.6
💨
Relatively ModerateStrong Wind
Annual Loss$613K
Risk Score59.9
⛰️
Very LowLandslide
Annual Loss$2K
Risk Score58.3
🔥
Very LowWildfire
Annual Loss$52K
Risk Score54.7
🌪️
Relatively LowTornado
Annual Loss$1.2M
Risk Score54.1
Show all 14 hazards
⛄
Relatively LowWinter Weather
Annual Loss$40K
Risk Score41.4
❄️
Relatively LowIce Storm
Annual Loss$43K
Risk Score39.2
🏔️
Very LowEarthquake
Annual Loss$114K
Risk Score38.1
🥶
Relatively LowCold Wave
Annual Loss$261K
Risk Score24.4
🌊
Very LowRiverine Flooding
Annual Loss$2.1M
Risk Score20.4
🌀
Very LowHurricane
Annual Loss$3K
Risk Score13.1
Jefferson County vs. National Average
🎯 Overall Risk
27.1-21.6 vs avg
National avg: 48.7
🔥 Wildfire Risk
54.7+6.0 vs avg
National avg: 48.7
👥 Social Vulnerability
62.3+13.1 vs avg
National avg: 49.2
🛡️ Community Resilience
50.1+1.4 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
62.3
Relatively HighHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
50.1
Relatively ModerateHigher 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.