Natural Disaster Risk in Clark County

Natural Hazard Profile: Clark County, Idaho

Clark County is located in the United States in Idaho, home to roughly 783 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, Clark County carries an overall risk score of 3.8/10, placing it in the low 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.

Clark County's risk score, slightly below the 5.1/10 state average and below the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Clark 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.

Clark County carries a below-average natural disaster risk, reflecting fewer and less severe hazard exposures than typical U.S. communities. Even so, the area's primary risk — avalanche — warrants awareness and appropriate insurance coverage, as lower risk does not mean zero risk.