List of United States Senators from South Dakota

South Dakota was admitted to the Union on November 2, 1889, and elects senators to Class 2 and Class 3. Its current senators are Republicans John Thune and Mike Rounds.

Class 2

Class 2 U.S. Senators belong to the electoral cycle that has recently 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 has recently been contested in 1998, 2004, and 2010, and 2016. The next election will be in 2022.

As of October 2016^[update], there are four former Senators who are living, three from Class 2 and one from Class 3. The most recent senator to die was George McGovern of Class 3 (1963-1981) on October 21, 2012. The most recent Class 2 senator to die was Vera C. Bushfield (1948) on April 16, 1976. The most recently serving Class 3 senator to die was James Abdnor (1981-1987) on May 16, 2012. The most recently serving Class 2 senator to die was Karl E. Mundt (1948-1973) on August 16, 1974.

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