The following table indicates the parties of elected officials in the U.S. state of Idaho :
The table also indicates the historical party composition in the:
For years in which a presidential election was held, the table indicates which party's nominees received the state's electoral votes.
The parties are as follows: Democratic (D) , Democratic–Populist fusion (D/P), Democratic–Populist–Silver Republican fusion (D/P/SR), Democratic–Silver Republican fusion (D/SR), Independent (I) , Populist (P), Republican (R) , Socialist (S), Silver Republican (SR), and a tie or coalition within a group of elected officials .
^ Office renamed per 1994 amendment to state Constitution.
^ a b c d e f g h i j k l m n o p Territorial governor appointed by the President of the United States .
^ a b c d e f g h i j Secretary of Idaho Territory .
^ a b c d e f g h i j k Delegate to the U.S. House of Representatives from the Idaho Territory.
^ Resigned to take an elected seat in the United States Senate .
^ a b c As lieutenant governor, acted as governor for unexpired term.
^ A Democrat, Alexander Mayhew, was chosen as President Pro Tempore and a coalition of Democrats and Populists and organized the chamber.
^ A coalition of Democrats and Populists elected a Populist, Joseph C. Rich , as President Pro Tempore and organized the chamber.
^ A coalition of Democrats and Populists elected a Democrat, David L. Evans, as Speaker and organized the chamber.
^ A coalition of Republicans and Populists elected a Republican, Frank R. Gooding , as President Pro Tempore, and organized the chamber.
^ A coalition of Democrats, Populists, and Silver Republicans elected a Democrat, David L. Evans, as Speaker and organized the chamber.
^ A coalition of Democrats, Populists, and Silver Republicans elected a Populist, J.W. Ballantine, as President Pro Tempore and organized the chamber.
^ A coalition of Democrats, Populists, and Silver Republicans elected a Democrat, Glenn P. McKinley, as Speaker and organized the chamber.
^ a b c d e f g h i Died in office.
^ a b c d e f g Resigned.
^ a b c d Elected at-large on a general ticket .
^ a b c d e f g h i j k Appointed to fill a vacancy.
^ Resigned so that Lieutenant Governor Arnold Williams would succeed him and then appoint him to the United States Senate.
^ a b c d Initially appointed to fill vacancy; later elected in his own right.
^ Inspector of Mines became appointed position effective January 1971.
^ Office abolished by state legislature, with duties delegated to the state Department of Labor and Industrial Services, effective July 1, 1974.
^ a b Resigned to become United States Secretary of the Interior .
^ As lieutenant governor, acted as governor for unexpired term, and was later elected in his own right.
^ Resigned to take an elected seat in the United States House of Representatives .
^ The Republican Lt. Governor, Butch Otter , broke the tie to keep a Republican, Mike Crapo , as President Pro Tempore. The membership of committees, however, was split evenly between the parties.[ 1]
^ Appointed by governor to fill vacancy and confirmed by state Senate.
^ Resigned following election to United States Senate.