Gregory County, South Dakota
Natural Hazard Risk Assessment — Population: 3,989
16.2NRI
Very Low
Overall Risk Rating
👥
Population
3,989
🏠
Building Value
$2.7B
💰
Annual Hazard Loss
$7.5M
⚠️
Hazards Tracked
13
Natural Hazard Risk Profile
🥶
Relatively ModerateCold Wave
Annual Loss$3.3M
Risk Score75.7
🔥
Relatively LowWildfire
Annual Loss$208K
Risk Score70.0
⛄
Relatively ModerateWinter Weather
Annual Loss$131K
Risk Score65.3
❄️
Relatively LowIce Storm
Annual Loss$146K
Risk Score57.9
☀️
Relatively LowDrought
Annual Loss$288K
Risk Score57.5
🧊
Relatively LowHail
Annual Loss$294K
Risk Score48.4
🌪️
Relatively LowTornado
Annual Loss$576K
Risk Score29.0
⛰️
Very LowLandslide
Annual Loss$153
Risk Score20.9
Show all 13 hazards
💨
Very LowStrong Wind
Annual Loss$169K
Risk Score16.4
🏔️
Very LowEarthquake
Annual Loss$21K
Risk Score15.5
🌊
Very LowRiverine Flooding
Annual Loss$2.2M
Risk Score15.4
⚡
Very LowLightning
Annual Loss$40K
Risk Score9.8
🌡️
Very LowHeat Wave
Annual Loss$19K
Risk Score9.3
Gregory County vs. National Average
🎯 Overall Risk
16.2-32.5 vs avg
National avg: 48.7
🔥 Wildfire Risk
70.0+21.3 vs avg
National avg: 48.7
👥 Social Vulnerability
18.9-30.3 vs avg
National avg: 49.2
🛡️ Community Resilience
78.3+29.6 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
18.9
Very LowHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
78.3
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.