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STATE RISK ROLL-UP

Idaho

Across 44 counties, FEMA rates 0 elevated or higher for overall natural-hazard risk. Here's what drives it — and where it concentrates.

How the counties rate

Dominant hazards

The hazards most often rated elevated or higher across Idaho's counties:

Highest-risk counties

CountyFEMA compositeScore
Ada County相对中等88
Bonneville County相对中等82
Kootenai County相对较低79
Idaho County相对较低78
Bonner County相对较低77
Canyon County相对较低72
State figures are a roll-up of FEMA National Risk Index county data (counts and rankings), not an official FEMA state rating. Risk is an estimate from a public model, not a guarantee — verify your specific insurance needs with a licensed professional. See the methodology.

FEMA National Risk Index · as of 2026-07-10