Welcome to Elmore County

Elmore County was established February 7, 1889, with its county seat at Rocky Bar. It is named after the Ida Elmore mines, the area’s greatest silver and gold producer of the 1860s, located near Silver City in Owyhee County.

A station on the overland stage route, originally named Rattlesnake, was moved west to the railroad line and became Mountain Home. On February 4, 1891, the county seat was moved to Mountain Home.

Elmore County offices have upgraded the phone system. We would like to advise the public that all numbers and extensions will remain the same with the exception that a 1 (one) will now be added to the beginning of all extensions (example: extension 200 is now 1200). Thank you for your patience as this transition takes place and for us to update our numbers that are published to all sites and locations.

Latest News from Elmore County

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Department of Motor Vehicles

DMV Information

Addresses, links, frequently asked questions, and more. View the Elmore County DMV page.

Elmore County Fairgrounds

Elmore county Expo Building

Expo Building and other facilities are available to rent!  See Fairground page for more information.

Current Job Openings

Check out current Elmore County job openings.

Check Your Polling Place

Anyone who needs to register to vote as a new voter, or to change your name or address must appear in person at the Courthouse to register.

ABOUT ELMORE COUNTY

There's a lot to do in Elmore County! Snowmobiling, fishing, hunting, wilderness, sand dunes, country living, Elmore County has it all!