List of United States Senators from Idaho

This is a list of United States Senators from Idaho. Idaho was admitted to the Union on July 3, 1890, and its senators belong to Class 2 and Class 3. Idaho's current Senators are Mike Crapo and Jim Risch.

Class 2

Class 1 U.S. Senators belong to the electoral cycle that were elected for three U.S. Congresses in the first elections of 1890, and then the seat was contested every three Congresses (six years) thereafter. The seat in recent years have been contested in 1996, 2002, 2008, and 2014. The next election will be in 2020.

Class 3

Class 3 U.S. Senators belong to the electoral cycle that were elected for one United States Congress in the first elections of 1890, and then the seat was contested every three Congresses (six years) thereafter. The seat in recent years have been contested in 1998, 2004, and 2010, and 2016. The next election will be in 2022.

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