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Compare · ID · MT

ZIP 83702 vs ZIP 59802

Boise, ID compared to Missoula, MT on twelve public-records dimensions sourced from EPA, FEMA, USDA, FBI, NCES, and county records. Each cell links to the per-ZIP topic page where the source citation and refresh cadence live.

Last verified 2026-05-13 · methodology

ZIP 83702

Boise, ID

Idaho

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ZIP 59802

Missoula, MT

Montana

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Side by side

Dimensions populate live as ingestion reaches each source. Every row will link to the primary regulator.

Idaho context

Radon Zone 1, wildfire, agricultural water

Idaho is uniformly EPA Zone 1 radon. Wildfire risk concentrates in central + northern panhandle forests. Agricultural water systems in the Snake River plain face nitrate + phosphate compliance pressure under EPA SDWIS.

Idaho state page →

Montana context

Radon Zone 1, wildfire

Montana is uniformly Zone 1 radon. Wildfire risk concentrates in the western mountains; the 2017 + 2021 + 2024 seasons all set records. EPA SDWIS shows compliance disparity between Helena/Missoula/Billings and small rural systems.

Montana state page →

Read more on cross-ZIP comparisons

Editorial deep-dives that help when reading two places side-by-side — what each data layer actually proves, and what it doesn't.

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