Elections archive

Every Montana election since 1968

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

Races3,899
Changed party454
Unopposed22%810 races
Incumbents defeated299

2026

2024

2022

2020

2018

2017

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); Federal Election Commission; Harvard Dataverse / Carl Klarner; MIT Election Data and Science Lab