Idaho County Courthouse, Grangeville,  Idaho

Idaho County is the largest County in Idaho. It covers 8503 square miles and was established on February 4, 1864 by the first Idaho Territorial Legislature.

Idaho County is located in the North Central Region of Idaho through which the Clearwater River, the Salmon River, and the Snake River all flow. Learn about our history.

The purpose of our website is in providing visitors with helpful information about Idaho County Courthouse, its departments,  services, staff as well as general area information and helpful resources.

Thank you for visiting IdahoCounty.org. 

Sincerely,

Idaho County Commissioners
Randy Doman, Chairman
Skip Brandt & Jim Rehder