Ada County, Idaho

Natural Hazard Risk Assessment — Population: 494,805

87.8NRI
Relatively Moderate

Overall Risk Rating

👥

Population

494,805

🏠

Building Value

$93.1B

💰

Annual Hazard Loss

$115.6M

⚠️

Hazards Tracked

15

Natural Hazard Risk Profile

Winter Weather

Very High
Annual Loss$3.0M
Risk Score98.9
🔥

Wildfire

Relatively High
Annual Loss$26.6M
Risk Score98.3
🌡️

Heat Wave

Relatively Moderate
Annual Loss$7.0M
Risk Score92.9
💨

Strong Wind

Relatively High
Annual Loss$3.8M
Risk Score91.8

Lightning

Relatively High
Annual Loss$2.0M
Risk Score90.1
🌊

Riverine Flooding

Relatively Moderate
Annual Loss$63.0M
Risk Score89.8
🏔️

Earthquake

Relatively Low
Annual Loss$6.6M
Risk Score88.2
❄️

Ice Storm

Relatively Moderate
Annual Loss$706K
Risk Score80.5
Show all 15 hazards
🌋

Volcanic Activity

Very Low
Annual Loss$235
Risk Score74.3
⛰️

Landslide

Relatively Low
Annual Loss$9K
Risk Score69.1
🧊

Hail

Relatively Low
Annual Loss$525K
Risk Score54.5
🥶

Cold Wave

Relatively Low
Annual Loss$1.7M
Risk Score51.7
🏔️

Avalanche

Very Low
Annual Loss$132
Risk Score27.0
🌪️

Tornado

Relatively Low
Annual Loss$686K
Risk Score27.0
☀️

Drought

Very Low
Annual Loss$783
Risk Score14.6

Ada County vs. National Average

🎯 Overall Risk

87.8+39.1 vs avg

National avg: 48.7

🔥 Wildfire Risk

98.3+49.6 vs avg

National avg: 48.7

👥 Social Vulnerability

10.6-38.6 vs avg

National avg: 49.2

🛡️ Community Resilience

92.2+43.5 vs avg

National avg: 48.7

Community Profile

Social Vulnerability

10.6

Very Low

Higher scores indicate greater social vulnerability to natural hazards.

Community Resilience

92.2

Very High

Higher scores indicate better ability to prepare for, adapt to, and recover from hazards.

🔥 Wildfire Insurance Notice

Ada County has relatively high wildfire risk. Homeowners should verify adequate fire coverage with their insurance provider. Standard policies may not fully cover wildfire damage in high-risk areas.

Frequently Asked Questions

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Data from FEMA National Risk Index. For informational purposes only. Consult local authorities for property-specific risk.