Fisheries & Drainage Regions
Snake River-C.J.
Strike
Boise River
Raft River
Location
43.3427 N, 115.4654 W
Land Area
3,103 square miles
County Seat
Mountain Home
Population
24,880
Background
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.
County Clerk
County Courthouse
Mountain Home, ID 83647-3028
Phone: (208) 587-2130
Fax: (208) 587-2159
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