Natural Disaster Risk in Grangeville

Natural Hazard Profile: Grangeville, Idaho

Grangeville is a town of roughly 6,406 residents in Idaho County, in the Pacific Northwest. The area experiences dry summers, cold winters, and significant wildfire risk, with a high fire danger period from July through September shaping the pattern of natural hazards that residents encounter. Understanding the local risk profile is essential for anyone living in, moving to, or owning property in Grangeville.

FEMA rates Grangeville's composite natural disaster risk at 4.6 out of 10 — moderate risk. The area faces significant landslide risk, where mountainous topography and saturated soils during wet periods combine to create hazardous mass movement conditions. Residents should also account for wildfire and avalanche risk in their preparedness planning.

Grangeville's risk score, slightly below 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 for Idaho County, the highest-scoring are landslide, wildfire, and avalanche. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

Grangeville's moderate risk profile means that while catastrophic events are less frequent, they do occur. Standard homeowners insurance typically covers many common hazards here, but confirming that landslide exposure is adequately protected is a worthwhile step for property owners.