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ZIP codes in Shoshone County

15 ZIPs touch Shoshone County, Idaho. The blue dashed line is the county border; orange ZIPs reach into it.

15

ZIP codes

3

cross the county line

22,400

people in these ZIPs

44

counties in ID

Most people

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Shoshone County ZIP list

More counties in Idaho

All 44 counties in Idaho

Questions people actually ask

How many ZIP codes are in Shoshone County, Idaho?

15 ZIP codes reach into Shoshone County. 3 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Shoshone County has the most people?

83861 (Saint Maries) has about 7,275 residents, the most of any ZIP touching Shoshone County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Shoshone County and another county?

Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Shoshone County. For one address, pin the exact spot on the ZIP finder to see its county.

Where does this list come from?

ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.

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Updated 2026-11-10 · Where the data comes from