Grangeville is the county seat for Idaho County
Riggins is in Idaho County
Idaho County (95) ►ADJACENT TO IDAHO COUNTY Adams County (5) ► Clearwater County (37) ► Lemhi County (74) ► Lewis County (12) ► Nez Perce County (54) ► Valley County (7) ► Missoula County, Montana (150) ► Ravalli County, Montana (35) ► Wallowa County, Oregon (20) ►
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