County Contacts

County Clerk

County Courthouse
Mountain Home, Idaho 83647-3028

Phone: (208) 587-2130
Fax: (208) 587-2159

Cities in Elmore County

County Seat: Mountain Home

(Incorporated cities shown only.)

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Land area: 3,103 square miles

hello. Hello! Established February 7, 1889 with its county seat at Rocky Bar. Named for the Ida Elmore mines, the area’s greatest silver and gold producer of the 1860s. The Oregon Trail crossed the Snake River at Three Island Crossing near Glenns Ferry. A station on the overland stage route, originally named Rattlesnake, was moved to the railroad line and became Mountain Home. On February 4, 1891 the county seat was moved to Mountain Home..

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