Elections archive

Every South Dakota election since 1968

South Dakota's generals, primaries, specials and runoffs in the 99chambers archive, newest first: Congress, governor, statewide offices and the South Dakota legislature.

Races2,241
Changed party130
Unopposed22%467 races
Incumbents defeated229

2026

2024

2022

2020

2018

2016

2014

2012

2010

2008

2006

2004

2002

2000

1998

1996

1994

1992

1990

1988

1986

1984

1982

1980

1978

1976

1974

1972

1970

1968

Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: Algara, Carlos; Amlani, Sharif (Harvard Dataverse); Harvard Dataverse / Carl Klarner; MIT Election Data and Science Lab