Arapahoe County, Colorado
Natural Hazard Risk Assessment — Population: 654,201
93.8NRI
Relatively Moderate
Overall Risk Rating
👥
Population
654,201
🏠
Building Value
$119.6B
💰
Annual Hazard Loss
$171.5M
⚠️
Hazards Tracked
14
Natural Hazard Risk Profile
🧊
Very HighHail
Annual Loss$64.0M
Risk Score99.8
⚡
Very HighLightning
Annual Loss$4.0M
Risk Score98.4
🌪️
Relatively HighTornado
Annual Loss$22.4M
Risk Score97.2
💨
Relatively HighStrong Wind
Annual Loss$3.7M
Risk Score95.1
🌊
Relatively ModerateRiverine Flooding
Annual Loss$62.0M
Risk Score92.5
🥶
Relatively HighCold Wave
Annual Loss$9.4M
Risk Score91.1
⛄
Relatively HighWinter Weather
Annual Loss$519K
Risk Score91.1
🏔️
Relatively LowEarthquake
Annual Loss$3.5M
Risk Score85.5
Show all 14 hazards
🔥
Relatively LowWildfire
Annual Loss$802K
Risk Score84.7
🌋
Very LowVolcanic Activity
Annual Loss$155
Risk Score73.0
🌡️
Relatively LowHeat Wave
Annual Loss$1.0M
Risk Score68.6
⛰️
Very LowLandslide
Annual Loss$2K
Risk Score50.5
☀️
Relatively LowDrought
Annual Loss$118K
Risk Score44.6
❄️
Very LowIce Storm
Annual Loss$7K
Risk Score11.4
Arapahoe County vs. National Average
🎯 Overall Risk
93.8+45.1 vs avg
National avg: 48.7
🔥 Wildfire Risk
84.7+36.0 vs avg
National avg: 48.7
👥 Social Vulnerability
18.4-30.8 vs avg
National avg: 49.2
🛡️ Community Resilience
49.4+0.7 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
18.4
Very LowHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
49.4
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.