Custer County, South Dakota
Natural Hazard Risk Assessment — Population: 8,303
16.3NRI
Very Low
Overall Risk Rating
👥
Population
8,303
🏠
Building Value
$2.9B
💰
Annual Hazard Loss
$8.8M
⚠️
Hazards Tracked
14
Natural Hazard Risk Profile
🔥
Relatively ModerateWildfire
Annual Loss$4.0M
Risk Score94.2
⛄
Relatively LowWinter Weather
Annual Loss$127K
Risk Score60.2
⛰️
Very LowLandslide
Annual Loss$2K
Risk Score52.1
🧊
Relatively LowHail
Annual Loss$292K
Risk Score44.1
🏔️
Very LowEarthquake
Annual Loss$63K
Risk Score25.1
⚡
Relatively LowLightning
Annual Loss$123K
Risk Score24.9
🥶
Very LowCold Wave
Annual Loss$399K
Risk Score23.3
🌪️
Very LowTornado
Annual Loss$396K
Risk Score22.1
Show all 14 hazards
🌊
Very LowRiverine Flooding
Annual Loss$3.2M
Risk Score19.3
☀️
Very LowDrought
Annual Loss$2K
Risk Score16.2
💨
Very LowStrong Wind
Annual Loss$185K
Risk Score15.6
🌡️
Very LowHeat Wave
Annual Loss$8K
Risk Score5.1
❄️
Very LowIce Storm
Annual Loss$2K
Risk Score3.0
🏔️
Very LowAvalanche
Annual Loss$1
Risk Score2.5
Custer County vs. National Average
🎯 Overall Risk
16.3-32.4 vs avg
National avg: 48.7
🔥 Wildfire Risk
94.2+45.5 vs avg
National avg: 48.7
👥 Social Vulnerability
10.6-38.6 vs avg
National avg: 49.2
🛡️ Community Resilience
47.0-1.7 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
10.6
Very LowHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
47.0
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.