Natural Disaster Risk in Bonner County

Natural Hazard Profile: Bonner County, Idaho

Bonner County is located in the United States in Idaho, home to roughly 46,954 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.

FEMA rates Bonner County's composite natural disaster risk at 5.7 out of 10 — moderate risk. Snow avalanche exposure tops the local risk profile, with the area's mountain setting and annual snowfall loading producing regular avalanche cycles on steep slopes. Residents should also account for landslide and winter risk in their preparedness planning.

Bonner County's risk score, slightly above the 5.1/10 state average and above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Bonner County, the highest-scoring are avalanche, landslide, and winter. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

With a moderate risk rating, Bonner County residents are well-served by maintaining standard preparedness practices — an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for avalanche is recommended.