- Lieutenant Governor
- Secretary of State
- Attorney General
- State Auditor
- Superintendent of Public Instruction
The table also indicates the historical party composition in the:
- State Senate
- State House of Representatives
- State delegation to the United States Senate
- State delegation to the United States House of Representatives
For years in which a presidential election was held, the table indicates which party's nominees received the state's electoral votes.
|Year||Executive offices||State Legislature||United States Congress||Electoral College votes|
|Governor||Lieutenant Governor||Secretary of State||Attorney General||Auditor||Supt. of Pub. Inst.||State Senate||State House||U.S. Senator (Class I)||U.S. Senator (Class II)||U.S. House|
|1864||Sidney Edgerton (R)||no such office||no such office||no such office||no electoral votes|
|1865||Thomas Francis Meagher (D)||Samuel McLean (D)|
|1866||Green Clay Smith (D)|
|1867||James M. Cavanaugh (D)|
|1868||James Tufts (R)|
|1869||James Mitchell Ashley (R)|
|Wiley Scribner (R)|
|1870||Benjamin F. Potts (R)|
|1871||William H. Clagett (R)|
|1873||Martin Maginnis (D)|
|1883||John Schuyler Crosby (R)|
|1884||B. Platt Carpenter (R)|
|1885||Samuel Thomas Hauser (D)||Joseph Toole (D)|
|1887||Preston Hopkins Leslie (D)|
|1889||Benjamin F. White (R)||8D, 8R||25R, 25D||Thomas H. Carter (R)|
|1890||Joseph Toole (D)||John E. Rickards (R)||Louis Rotwitt (R)||Henri J. Haskell (R)||Edwin A. Kenney (R)||John Gannon||Wilbur F. Sanders (R)||Thomas C. Power (R)|
|1891||10D, 6R||28R, 27D||William W. Dixon (D)|
|1892||Benjamin Harrison and Whitelaw Reid (R) N|
|1893||John E. Rickards (R)||Alexander Campbell Botkin (R)||Andrew B. Cook (R)||Eugene A. Steere (R)||9D, 7R||26D, 26R, 3P||Vacant||Charles S. Hartman (R)|
|1895||13R, 5D, 2P, 1 Fus.||44R, 14P, 3D||Lee Mantle (R)||Thomas H. Carter (R)|
|1896||Lee Mantle (S)||William Jennings Bryan and Arthur Sewall (D) N|
|1897||Robert Burns Smith (D)||Archibald E. Spriggs (D)||Thomas S. Hogan (P)||C. B. Nolan (D)||Thomas W. Poindexter Jr. (D)||Evans A. Carleton (R)||12R, 8D, 3P||42D, 18P, 8R|
|1899||17D, 6R, 1P||57D, 9R, 4SR||William A. Clark (D)||Albert J. Campbell (D)|
|1900||Vacant||William Jennings Bryan and Adlai E. Stevenson (D) N|
|1901||Joseph Toole (D)||Frank G. Higgins (D)||George M. Hayes (D)||James Donovan (D)||James H. Calderhead (P)||W. W. Welch (D)||14D, 9R, 1P||28D, 23R, 8 Labor, 6P, 5ID||Paris Gibson (D)||William A. Clark (D)||Caldwell Edwards (P)|
|1903||14D, 12R||47R, 11 Labor, 8D, 6 Anti-Trust||Joseph M. Dixon (R)|
|1904||Theodore Roosevelt and Charles W. Fairbanks (R)|
|1905||Edwin L. Norris (D)||Abraham N. Yoder (R)||Albert J. Galen (R)||Henry R. Cunningham (R)||Wilfred E. Harmon (R)||16R, 10D||38R, 24D, 7 Labor, 3 Anti-Trust||Thomas H. Carter (R)|
|1907||18R, 9D||57R, 16D||Joseph M. Dixon (R)||Charles N. Pray (R)|
|1908||Edwin L. Norris (D)||Benjamin F. White (R)||William Howard Taft and James S. Sherman (R)|
|1909||William R. Allen (R)||17R, 10D||38D, 33R|
|1911||C.M. McCoy||16R, 12D||42D, 32R||Henry L. Myers (D)|
|1912||Thomas M. Swindlehurst (D)||Woodrow Wilson and Thomas R. Marshall (D)|
|1913||Sam V. Stewart (D)||W. W. McDowell (D)||Adelbert M. Alderson (D)||Daniel M. Kelly (D)||William Keating (D)||Henry A. Davee (D)||17D, 13R, 2 Prog.||49D, 20R, 16 Prog., 1 Silver||Thomas J. Walsh (D)||2D|
|1915||Joseph Poindexter (D)||19R, 16D, 5 Prog., 1I||55D, 36R, 3 Silver, 1I|
|1917||Charles T. Stewart (R)||Sam C. Ford (R)||Rufus G. Poland (D)||May Trumper (R)||28R, 13D||49D, 46R||1D, 1R|
|1919||George P. Porter (R)||31R, 12D||65R, 33D|
|1920||Warren G. Harding and Calvin Coolidge (R)|
|1921||Joseph M. Dixon (R)||Nelson Story, Jr. (R)||Wellington D. Rankin(R)||41R, 13D||98R, 9D, 1I||2R|
|1923||38R, 16D||56R, 44D||Burton K. Wheeler (D)||1D, 1R|
|1924||Calvin Coolidge and Charles G. Dawes (R)|
|1925||John E. Erickson (D)||W. S. McCormack (R)||L. A. Foot (R)||39R, 16D, 1FL||66R, 34D, 2FL|
|1927||Robert N. Hawkins (D)||40R, 15D, 1FL||61R, 39D, 2FL|
|1928||John W. Mountjoy (D)||Herbert Hoover and Charles Curtis (R)|
|1929||Frank A. Hazelbacker (R)||William E. Harmon (R)||Elizabeth Ireland (R)||39R, 16D, 1FL||69R, 33D|
|1931||41R, 15D||59R, 43D|
|1932||Franklin D. Roosevelt and John Nance Garner (D)|
|1933||Frank H. Cooney (D)||Sam W. Mitchell (D)||Raymond T. Nagle (D)||John J. Holmes (D)||33R, 22D, 1I||72D, 30R||John E. Erickson (D)||2D|
|Frank H. Cooney (D)||Tom Kane (R)|
|1935||Ernest T. Eaton (R)||28D, 27R, 1I||69D, 33R||James E. Murray (D)|
|1936||Elmer Holt (D)||William R. Pilgeram (D)||Enor K. Matson (D)|
|1937||Roy E. Ayers (D)||Hugh R. Adnair (D)||Harrison Freebourn (D)||Ruth Reardon (D)||29D, 27R||81D, 21R|
|1939||31D, 25R||58D, 44R||1D, 1R|
|1940||Franklin D. Roosevelt and Henry A. Wallace (D)|
|1941||Sam C. Ford (R)||Ernest T. Eaton (R)||John W. Bonner (D)||Elizabeth Ireland (R)||35R, 21D||55D, 47R|
|1942||Howard M. Gullickson (D)|
|1943||R. V. Bottomly (D)||37R, 19D||51R, 39D||2D|
|1944||Franklin D. Roosevelt and Harry S. Truman (D)|
|1945||39R, 17D||53R, 37D||1D, 1R|
|1947||41R, 15D||58R, 31D, 1ID||Zales Ecton (R)|
|1948||Harry S. Truman and Alben W. Barkley (D)|
|1949||John W. Bonner (D)||Paul Cannon (D)||Arnold Olsen (D)||Mary M. Condon (D)||31R, 23D, 2I||54D, 36R|
|1951||28R, 26D, 2I||49R, 41D|
|1952||Dwight D. Eisenhower and Richard Nixon (R)|
|1953||J. Hugo Aronson (R)||George M. Gosman (R)||36R, 20D||62R, 32D||Mike Mansfield (D)|
|1955||33R, 23D||49D, 45R|
|1956||S. C. Arnold (R)|
|1957||Paul Cannon (D)||Frank Murray (D)||Forrest H. Anderson (D)||Harriet Miller (R)||31D, 25R||59D, 35R||2D|
|1959||38D, 17R, 1I||61D, 31R, 2I|
|1960||Richard Nixon and Henry Cabot Lodge Jr. (R) N|
|1961||Donald G. Nutter (R)||Tim Babcock (R)||54R, 40D||Lee Metcalf (D)||1D, 1R|
|1962||Tim Babcock (R)||David F. James (R)||E. V. "Sonny" Omholt (R)|
|1963||35D, 21R||57R, 37D|
|1964||Lyndon B. Johnson and Hubert Humphrey (D)|
|1965||Ted James (R)||Harriet Miller (D)||32D, 24R||56D, 38R|
|1967||30D, 25R||64R, 40D|
|1968||Richard Nixon and Spiro Agnew (R)|
|1969||Forrest H. Anderson (D)||Thomas Lee Judge (D)||Robert I. Woodahl (R)||Dolores Colburg (D)||58R, 46D||2D|
|1971||55R, 49D||1D, 1R|
|1973||Thomas Lee Judge (D)||Bill Christiansen (D)||27D, 23R||54D, 46R|
|1975||30D, 20R||67D, 33R||2D|
|1976||Gerald Ford and Bob Dole (R) N|
|1977||Ted Schwinden (D)||Mike Greely (D)||Georgia Ruth Rice (D)||25D, 25R||57D, 43R||John Melcher (D)||Paul G. Hatfield (D)||1D, 1R|
|1979||26R, 24D||55D, 45R||Max Baucus (D)|
|1980||Ronald Reagan and George H. W. Bush (R)|
|1981||Ted Schwinden (D)||George Turman (D)||Jim Waltermire (R)||Ed Argenbright (R)||28R, 22D||57R, 43D|
|1983||26R, 24D||55D, 45R|
|1985||Andrea Bennett (R)||28D, 22R||50D, 50R|
|1987||25D, 25R||51R, 49D|
|1988||Gordon McOmber (D)||Verner Bertelsen (R)||George H. W. Bush and Dan Quayle (R)|
|1989||Stan Stephens (R)||Allen Kolstad (R)||Mike Cooney (D)||Marc Racicot (R)||Nancy Keenan (D)||27R, 23D||52D, 48R||Conrad Burns (R)|
|1991||Denny Rehberg (R)||29D, 21R||61D, 39R|
|1992||Bill Clinton and Al Gore (D)|
|1993||Marc Racicot (R)||Joseph Mazurek (D)||Mark O'Keefe (D)||30D, 20R||53R, 47D||Pat Williams (D)|
|1995||31R, 19D||67R, 33D|
|1996||Bob Dole and Jack Kemp (R) N|
|1997||Judy Martz (R)||34R, 16D||65R, 35D||Rick Hill (R)|
|1999||32R, 18D||59R, 41D|
|2000||George W. Bush and Dick Cheney (R)|
|2001||Judy Martz (R)||Karl Ohs (R)||Bob Brown (R)||Mike McGrath (D)||John Morrison (D)||Linda McCulloch (D)||31R, 19D||58R, 42D||Denny Rehberg (R)|
|2003||29R, 21D||53R, 47D|
|2005||Brian Schweitzer (D)||John Bohlinger (R)||Brad Johnson (R)||27D, 23R||50D, 50R|
|2007||26D, 24R||50R, 49D, 1C||Jon Tester (D)|
|2008||John McCain and Sarah Palin (R) N|
|2009||Linda McCulloch (D)||Steve Bullock (D)||Monica Lindeen (D)||Denise Juneau (D)||27R, 23D||50D, 50R|
|2011||28R, 22D||68R, 32D|
|2012||Mitt Romney and Paul Ryan (R) N|
|2013||Steve Bullock (D)||John Walsh (D)||Tim Fox (R)||29R, 21D||61R, 39D||Steve Daines (R)|
|2014||Angela McLean (D)||John Walsh (D)|
|2015||59R, 41D||Steve Daines (R)||Ryan Zinke (R)|
|2016||Mike Cooney (D)||Donald Trump and Mike Pence (R)|
|2017||Corey Stapleton (R)||Matt Rosendale (R)||Elsie Arntzen (R)||32R, 18D||Greg Gianforte (R)|
|2019||30R, 20D||58R, 42D|
|2020||[to be determined]|
|Year||Governor||Lieutenant Governor||Secretary of State||Attorney General||Auditor||Supt. of Pub. Inst.||State Senate||State House||U.S. Senator (Class I)||U.S. Senator (Class II)||U.S. House||Electoral College votes|
|Executive offices||State Legislature||United States Congress|
- Governor of Montana Territory.
- Delegate from the Montana Territory
- With a Republican Lt. Governor, the GOP organized the chamber. There was no President Pro Tempore that session.
-  Majority and Minority Party Numbers 1889 - Present
- There were five contested seats from Silver Bow County, and due to a lack of a contested election resolution mechanism, the Republicans and Democrats each organized their own House with the contested members of both parties from Silver Bow joining their respective parties in those chambers, and both sent bills to the Senate. 
- Delegate from Montana Territory until November 8, when Carter was elected U.S. Representative upon Montana statehood.
- A coalition of Democrats and Populists elected a Populist, Thomas Matthews, as Speaker and organized the chamber.
- Legislature failed to elect a Senator at the beginning of the 53rd United States Congress.
- Initially appointed to fill a vacancy
- Resigned May 15, 1900 to avoid claim of election fraud.
- Resigned due to declining health.
- A coalition of Democrats, Labor, Populists, and Independent Democrats chose a Democrat, Frank Corbett, as Speaker, and organized the chamber.
- Died in office.
- As lieutenant governor, filled unexpired term, and was later elected in his own right.
- A coalition of Republicans and Progressives elected a Republican, John Edwards, as President Pro Tempore and organized the chamber.
- Impeached and then resigned.
- Resigned so that his successor could appoint him to the United States Senate.
- As lieutenant governor, filled unexpired term.
- A bipartisan coalition elected a Republican, Ernest T. Eaton, as President Pro Tempore, and organized the chamber on a bipartisan basis. In practice, Eaton served as President of the Senate, and as such Lt. Governor, as the previous one, Frank Cooney was serving as Governor. After session, Eaton resigned, and the position of President of the Senate and Lt. Governor was filled by Democrat Elmer Holt.
- As President of the State Senate, filled unexpired term. The Speaker of the House, William Pilgeram, took up his previous position of Lt. Governor.
- By statute, in the event of a tie chamber, the party of the Governor receives the Presidency.
- Resigned February 6, 2014 in anticipation of being appointed United States Ambassador to China
- Resigned midway through second term.
- By statute, in the event of a tie chamber, the party of the Governor receives the Speakership. However, the committees and administration of the chamber and its committees were organized on a 50-50 basis, with an equal number of chairmen and members of both parties.p. 25
- By statute, in the event of a tie chamber, the party of the Governor receives the Presidency. However, the committees and administration of the chamber and its committees were organized on a 50-50 basis, with an equal number of chairmen and members of both parties.p. 25
- Resigned to take a presidential appointment to the International Boundary Commission
- Republican elected on Democratic ticket.
- Party control granted to governor's party in the event of a tied house of the legislature.
- Constitution Party member caucused with Republicans.
- Resigned March 2017 to become the United States Secretary of the Interior.
- Elected June 2017 to succeed Zinke.