A county is established through a legal process that typically involves the state legislature or governing authority. This process often includes the creation of a formal proposal, public hearings, and a vote by the legislature or the electorate. Factors considered may include population size, geographic boundaries, and the need for local governance. Once approved, the county is officially recognized and can begin to function with its own local government and administrative structure.
Benewah County Idaho was established in 1915.
The Cherokee County was established in the year of 1846. The Cherokee County was established in the Nacogdoches County and was organized in the same year.
Bonner County Idaho was established in 1907.
Camas County was established in 1917.
Fermont County Idaho was established in 1893.
Ada County was Established in 1864.
Bannock County Idaho was established in 1893.
Bingham County was established in 1885.
Bonneville County Idaho was established in 1911.
Butte County Idaho was established in 1917.
Boundary County Idaho was established in 1915.
Canyon County Idaho was established in 1892.