Natural Disaster Risk in Teton County

Natural Hazard Profile: Teton County, Idaho

Teton County is located in the United States in Idaho, home to roughly 11,613 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, Teton County carries an overall risk score of 5.3/10, placing it in the moderate category. The threat of avalanche is the primary natural hazard here, with winter snowpack instability on mountain terrain posing risks to roads, structures, and outdoor recreation activities. The area also faces notable exposure to volcano and wildfire.

Teton County's risk score, near 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 Teton County, the highest-scoring are avalanche, volcano, 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, Teton 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.