Natural Disaster Risk — ZIP Code 83631

Natural Hazard Profile: ZIP 83631, Idaho

ZIP 83631 covers part of the Idaho City area, in the Great Plains. The surrounding region experiences dry summers, cold winters, and significant wildfire risk, with a high fire danger period from July through September shaping the natural hazards that residents of this ZIP code face. Risk scores here are derived from FEMA data for the encompassing county.

FEMA rates ZIP 83631's composite natural disaster risk at 4.7 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 wildfire risk in their preparedness planning.

ZIP 83631's risk score, near the 5.1/10 state average and near the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA, the highest-scoring are avalanche, landslide, and wildfire. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

With a moderate risk rating, ZIP 83631 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.