Natural Disaster Risk in Ada County
Idaho
Risk Summary for Ada County
Ada County scores 7.1/10 (High risk), above the U.S. average of 4.5. The leading hazard is Winter Weather.
Top Hazards
All 18 Hazard Scores
How it compares
Live Conditions
🏠 What this means for insurance
Above-average risk — check your policy limits
Standard homeowners insurance may not fully cover all hazards rated highly in this area. Verify that your policy includes adequate coverage for the top local hazards, and ask your insurer about specific endorsements or separate policies (e.g., flood, earthquake).
This is general information only. Consult a licensed insurance professional for advice specific to your property.
Natural Hazard Profile: Ada County, Idaho
Ada County is located in the United States in Idaho, home to roughly 494,805 residents. The county experiences dry summers, cold winters, and significant wildfire risk, with a high fire danger period from July through September shaping the natural hazards faced by its communities. FEMA assesses risk at this county level, providing the baseline for every city and ZIP code within its boundaries.
According to FEMA's National Risk Index, Ada County carries an overall risk score of 7.1/10, placing it in the high category. The area faces significant winter hazard exposure, with nor'easters, ice storms, or blizzards regularly challenging transportation networks and power infrastructure. The area also faces notable exposure to volcano and wildfire.
Ada County's risk score, considerably above the 5.1/10 state average and well above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Ada County, the highest-scoring are winter, volcano, and wildfire. These scores reflect county-level data and represent the baseline risk that all communities in the county share.
Ada County's high risk designation reflects meaningful exposure to natural hazards. Residents should verify that their insurance covers the area's primary risks, prepare a family emergency plan, and stay informed about seasonal hazard peaks through local weather and emergency management services.
What this means for Ada County: Winter Weather preparedness
- Insulate pipes and keep a backup heat source to prevent freezing during extended cold.
- Maintain an emergency kit in your vehicle and home for snow- or ice-related power outages.
- Clear roof snow loads when heavy to prevent structural strain and ice dams.
Cities in Ada County
ZIP codes in Ada County
Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. For informational purposes only.