Class 1

#	Senator	Party	Years	Congress	Term	Electoral history
1	Wilbur F. Sanders Wilbur F. Sanders Wilbur Fiske Sanders was a United States Senator from Montana, a skilled lawyer and played a prominent role in the state's development.- Biography :...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 1, 1890 – March 3, 1893	51 51st United States Congress The Fifty-first United States Congress, referred to by some critics as the Billion Dollar Congress, was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C...	1	Elected in 1889 Lost re-election
				52 52nd United States Congress The Fifty-second United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C...
Vacant			March 3, 1893 – January 16, 1895	53 53rd United States Congress The Fifty-third United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1893 to March 4, 1895, during the fifth and sixth...	2	Legislature failed to elect
2	Lee Mantle Lee Mantle Lee Mantle was a United States Senator from Montana.Born in Birmingham, England, his mother converted to Mormonism and immigrated to the United States with her children; they settled at Salt Lake City, Utah in 1864...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 16, 1895 – March 4, 1899			Appointed to fill vacant term Elected to finish vacant term Lost renomination
				54 54th United States Congress - House of Representatives :-Leadership:- Senate :* President: Adlai E. Stevenson * President pro tempore: William P. Frye - Majority leadership :* Republican Conference Chairman: John Sherman- Minority leadership :...
				55 55th United States Congress -House of Representatives:* Republican: 206 * Democratic: 124* Populist: 22* Silver Republican: 3* Silver: 1* Independent Republican: 1TOTAL members: 357-Leadership:-Senate:* President: Garret Hobart * President pro tempore: William P...
3	William A. Clark	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	March 4, 1899 – May 15, 1900	56 56th United States Congress -House of Representatives:- Leadership :- Senate :* President: Garret Hobart , until November 21, 1899 , vacant thereafter.* President pro tempore: William P. Frye * Democratic Caucus Chairman: James K. Jones...	3	Elected in 1899 Resigned to avoid claim of election fraud
Vacant			May 15, 1900 – March 7, 1901	56 56th United States Congress -House of Representatives:- Leadership :- Senate :* President: Garret Hobart , until November 21, 1899 , vacant thereafter.* President pro tempore: William P. Frye * Democratic Caucus Chairman: James K. Jones...		Clark was appointed to continue his vacant term, but did not qualify
				57 57th United States Congress -House of Representatives:*Democratic: 151*Republican: 200 *Populist: 5*Silver : 1TOTAL members: 357-Leadership:-Senate:* President: Theodore Roosevelt , until September 14, 1901, vacant thereafter....
4	Paris Gibson Paris Gibson Paris Gibson was an American entrepreneur and politician.Gibson was born in Brownfield, Maine. An 1851 graduate of Bowdoin College, he served as a member of the Montana State Senate and as a Democratic member of the United States Senate between 1901 and 1905.-Career:In 1853 he was elected to the...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	March 7, 1901 – March 4, 1905			Elected to finish Clark's term Retired
				58 58th United States Congress - House of Representatives :* Republican : 209 * Democratic : 176* Silver Republican : 1TOTAL members: 386-Senate:* President: Vacant* President pro tempore: William P. Frye -Members:...
5	Thomas H. Carter	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1905 – March 4, 1911	59 59th United States Congress The Fifty-ninth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1905 to March 4, 1907, during the fifth and sixth...	4	Elected in 1904 United States Senate elections, 1904 The United States Senate election of 1904 was an election which coincided with President Theodore Roosevelt's landslide re-election, and which had the Republican Party gain one seat in the United States Senate.... Retired
				60 60th United States Congress The Sixtieth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1907 to March 4, 1909, during the last two years of...
				61 61st United States Congress The Sixty-first United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1909 to March 4, 1911, during the first two years of...
6	Henry L. Myers Henry L. Myers Henry Lee Myers was a United States Senator from Montana. Born near Boonville, Missouri, he attended private schools, Cooper Institute, and Boonville Academy. He studied law and was admitted to the bar in 1884, commencing practice in Boonville...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	March 4, 1911 – March 4, 1923	62 62nd United States Congress - House of Representatives :* Democratic : 230 * Republican : 162* Socialist : 1* Independent : 1TOTAL members: 394-Senate:* President: James S...	5	Elected in 1910
				63 63rd United States Congress - House of Representatives:*Democratic : 291 *Republican : 134*Progressive : 9*Independent : 1TOTAL members: 435-Senate:*President of the Senate: Thomas R. Marshall*President pro tempore: James P. Clarke-Senate:...
				64 64th United States Congress The Sixty-fourth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1915 to March 4, 1917, during the third and fourth...
				65 65th United States Congress The Sixty-fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1917 to March 4, 1919, during the fourth and fifth...	6	Re-elected in 1916 Retired
				66 66th United States Congress The Sixty-sixth United States Congress was a meeting of the legislative branch of the United States federal government, comprising the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1919 to March 4, 1921, during the last two years of...
				67 67th United States Congress The Sixty-seventh United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1921 to March 4, 1923, during the first two years...
7	Burton K. Wheeler Burton K. Wheeler Burton Kendall Wheeler was an American politician of the Democratic Party and a United States Senator from 1923 until 1947.-Early life:...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	March 4, 1923 – January 3, 1947	68 68th United States Congress The Sixty-eighth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1923 to March 4, 1925, during the last months of...	7	Elected in 1922
				69 69th United States Congress The Sixty-ninth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1925 to March 4, 1927, during the third and fourth...
				70 70th United States Congress The Seventieth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1927 to March 3, 1929, during the last two years of...
				71 71st United States Congress The Seventy-first United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1929 to March 4, 1931, during the first two years...	8	Re-elected in 1928
				72 72nd United States Congress The Seventy-second United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1931 to March 4, 1933, during the last two years...
				73 73rd United States Congress The Seventy-third United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1933 to January 3, 1935, during the first two years...
				74 74th United States Congress -House:Also 2 Delegates, 3 Resident Commissioners-Senate:*President of the Senate: John N. Garner *President pro tempore: Key Pittman -Majority leadership:*Majority leader: Joseph T. Robinson...	9	Re-elected in 1934
				75 75th United States Congress The Seventy-fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1937 to January 3, 1939, during the first two years...
				76 76th United States Congress The Seventy-sixth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1939 to January 3, 1941, during the seventh and...
				77 77th United States Congress -Major events:* December 7, 1941: Attack on Pearl Harbor* December 8, 1941: Joint Session of Congress met to hear President Roosevelt deliver his "Day of Infamy" speech...	10	Re-elected in 1940 Lost renomination
				78 78th United States Congress The Seventy-eighth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1943 to January 3, 1945, during the last two years...
				79 79th United States Congress The Seventy-ninth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1945 to January 3, 1947, during the last months of...
8	Zales Ecton Zales Ecton Zales Nelson Ecton was a rare Republican United States senator from Montana, having served from 1947 to 1953.Ecton was born in Weldon, Decatur County, Iowa. He moved with his family to Gallatin County, Montana, when he was nine years old...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 3, 1947 – January 3, 1953	80 80th United States Congress The Eightieth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1947 to January 3, 1949, during the third and fourth...	11	Elected in 1946 Lost re-election
				81 81st United States Congress The Eighty-first United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives...
				82 82nd United States Congress The Eighty-second United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1951 to January 3, 1953, during the last two years...
9	Mike Mansfield Mike Mansfield Michael Joseph Mansfield was an American Democratic politician and the longest-serving Majority Leader of the United States Senate, serving from 1961 to 1977. He also served as United States Ambassador to Japan for over ten years...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 3, 1953 – January 3, 1977	83 83rd United States Congress The Eighty-third United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1953 to January 3, 1955, during the first two years...	12	Elected in 1952
				84 84th United States Congress The Eighty-fourth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1955 to January 3, 1957, during the third and...
				85 85th United States Congress The Eighty-fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1957 to January 3, 1959, during the fifth and sixth...
				86 86th United States Congress The Eighty-sixth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1959 to January 3, 1961, during the last two years...	13	Re-elected in 1958
				87 87th United States Congress -House of Representatives :-Senate:* President: Richard Nixon , until January 20, 1961** Lyndon Johnson , from January 20, 1961* President pro tempore: Carl Hayden -House of Representatives:...
				88 88th United States Congress The Eighty-eighth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1963 to January 3, 1965, during the last year of...
				89 89th United States Congress -House of Representatives:- Senate :* President of the Senate: Hubert Humphrey , starting January 20, 1965* President pro tempore: Carl Hayden - Majority leadership :* Majority Leader and Democratic Conference Chairman: Mike Mansfield...	14	Re-elected in 1964
				90 90th United States Congress The Ninetieth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1967 to January 3, 1969, during the last two years of...
				91 91st United States Congress The Ninety-first United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1969 to January 3, 1971, during the first two years...
				92 92nd United States Congress The Ninety-second United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives...	15	Re-elected in 1970 Retired
				93 93rd United States Congress The Ninety-third United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1973 to January 3, 1975, during the end of Richard...
				94 94th United States Congress The Ninety-fourth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1975 to January 3, 1977, during the administration...
10	John Melcher John Melcher John Melcher is an American politician of the Democratic Party who represented Montana as a member of the United States House of Representatives, and as a United States Senator from 1977 until 1989.-Early life:...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 3, 1977 – January 3, 1989	95 95th United States Congress The Ninety-fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1977 to January 3, 1979, during the first two years...	16	Elected in 1976
				96 96th United States Congress The Ninety-sixth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1979 to January 3, 1981, during the last two years...
				97 97th United States Congress The Ninety-seventh United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1981 to January 3, 1983, during the final weeks of...
				98 98th United States Congress The Ninety-eighth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1983 to January 3, 1985, during the third and...	17	Re-elected in 1982 United States Senate elections, 1982 The United States Senate election of November 2, 1982 was an election for the United States Senate following the Republican gains in 1980. Party balance was unchanged following the election. Incumbents Howard Cannon of Nevada and Harrison Schmitt of New Mexico lost seats to the opposite party, the... Lost re-election
				99 99th United States Congress The Ninety-ninth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1985 to January 3, 1987, during the fifth and sixth...
				100 100th United States Congress -House of Representatives:- Senate :* President: George H.W. Bush * President pro tempore: John Stennis - Majority leadership :* Majority Leader, Democratic Conference Chairman, and Democratic Policy Committee Chairman: Robert Byrd...
11	Conrad Burns Conrad Burns Conrad Ray Burns is a former United States Senator from Montana. He is only the second Republican to represent Montana in the Senate since the passage in 1913 of the Seventeenth Amendment to the United States Constitution and is the longest-serving Republican senator in Montana history.While in...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 3, 1989 – January 3, 2007	101 101st United States Congress The One Hundred First United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1989 to January 3, 1991, during the first two...	18	Elected in 1988
				102 102nd United States Congress -House of Representatives:- Senate :* President:Dan Quayle * President pro tempore: Robert Byrd - Majority leadership :* Majority Leader: George Mitchell* Majority Whip: Wendell Ford- Minority leadership :...
				103 103rd United States Congress - House of Representatives :- Leadership :- Senate :* President: Dan Quayle , until January 20, 1993** Al Gore , from January 20, 1993* President pro tempore: Robert Byrd - Majority leadership :* Majority Leader: George Mitchell...
				104 104th United States Congress The One Hundred Fourth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1995 to January 3, 1997, during the third and...	19	Re-elected in 1994
				105 105th United States Congress The One Hundred Fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1997 to January 3, 1999, during the fifth and...
				106 106th United States Congress The One Hundred Sixth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1999 to January 3, 2001, during the last two...
				107 107th United States Congress The One Hundred Seventh United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from January 3, 2001 to January 3, 2003, during the final...	20	Re-elected in 2000 Lost re-election
				108 108th United States Congress The One Hundred Eighth United States Congress was the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives from January 3, 2003 to January 3, 2005, during the third and fourth years of George W. Bush's...
				109 109th United States Congress The One Hundred Ninth United States Congress was the legislative branch of the United States, composed of the United States Senate and the United States House of Representatives, from January 3, 2005 to January 3, 2007, during the fifth and sixth years of George W. Bush's presidency. House members...
12	Jon Tester Jon Tester Jon Tester is the junior U.S. Senator for Montana, serving since 2007. He is a member of the Democratic Party. He previously served as President of the Montana Senate.-Early life, education, and farming career:...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 3, 2007 – Present	110 110th United States Congress The One Hundred Tenth United States Congress was the meeting of the legislative branch of the United States federal government, between January 3, 2007, and January 3, 2009, during the last two years of the second term of President George W. Bush. It was composed of the Senate and the House of...	21	Elected in 2006 Incumbent
				111 111th United States Congress The One Hundred Eleventh United States Congress was the meeting of the legislative branch of the United States federal government from January 3, 2009 until January 3, 2011. It began during the last two weeks of the George W. Bush administration, with the remainder spanning the first two years of...
				112 112th United States Congress The One Hundred Twelfth United States Congress is the current meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It convened in Washington, D.C. on January 3, 2011, and will end on January...
#	Senator	Party	Years	Congress	Term	Electoral history

Class 2

#	Senator	Party	Years	Congress	Term	Electoral history
1	Thomas C. Power	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 2, 1890 – March 4, 1895	51 51st United States Congress The Fifty-first United States Congress, referred to by some critics as the Billion Dollar Congress, was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C...	1	Elected in 1889 Retired
				52 52nd United States Congress The Fifty-second United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C...
				53 53rd United States Congress The Fifty-third United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1893 to March 4, 1895, during the fifth and sixth...
2	Thomas H. Carter	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1895 – March 4, 1901	54 54th United States Congress - House of Representatives :-Leadership:- Senate :* President: Adlai E. Stevenson * President pro tempore: William P. Frye - Majority leadership :* Republican Conference Chairman: John Sherman- Minority leadership :...	2	Elected in 1895 Retired
				55 55th United States Congress -House of Representatives:* Republican: 206 * Democratic: 124* Populist: 22* Silver Republican: 3* Silver: 1* Independent Republican: 1TOTAL members: 357-Leadership:-Senate:* President: Garret Hobart * President pro tempore: William P...
				56 56th United States Congress -House of Representatives:- Leadership :- Senate :* President: Garret Hobart , until November 21, 1899 , vacant thereafter.* President pro tempore: William P. Frye * Democratic Caucus Chairman: James K. Jones...
3	William A. Clark	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	March 4, 1901 – March 3, 1907	57 57th United States Congress -House of Representatives:*Democratic: 151*Republican: 200 *Populist: 5*Silver : 1TOTAL members: 357-Leadership:-Senate:* President: Theodore Roosevelt , until September 14, 1901, vacant thereafter....	3	Elected in 1901 Retired
				58 58th United States Congress - House of Representatives :* Republican : 209 * Democratic : 176* Silver Republican : 1TOTAL members: 386-Senate:* President: Vacant* President pro tempore: William P. Frye -Members:...
				59 59th United States Congress The Fifty-ninth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1905 to March 4, 1907, during the fifth and sixth...
4	Joseph M. Dixon Joseph M. Dixon Joseph Moore Dixon was a Republican politician from Montana. He served as a Representative, Senator, and the seventh Governor of Montana. A businessman and a modernizer of Quaker heritage, Dixon was a leader of the Progressive Movement in Montana and nationally...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1907 – March 4, 1913	60 60th United States Congress The Sixtieth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1907 to March 4, 1909, during the last two years of...	4	Elected in 1907 Lost re-election
				61 61st United States Congress The Sixty-first United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1909 to March 4, 1911, during the first two years of...
				62 62nd United States Congress - House of Representatives :* Democratic : 230 * Republican : 162* Socialist : 1* Independent : 1TOTAL members: 394-Senate:* President: James S...
5	Thomas J. Walsh Thomas J. Walsh Thomas James Walsh was a lawyer and Democratic Party politician from Helena, Montana, in the United States.-Background:...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	March 4, 1913 – March 2, 1933	63 63rd United States Congress - House of Representatives:*Democratic : 291 *Republican : 134*Progressive : 9*Independent : 1TOTAL members: 435-Senate:*President of the Senate: Thomas R. Marshall*President pro tempore: James P. Clarke-Senate:...	5	Elected in 1913
				64 64th United States Congress The Sixty-fourth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1915 to March 4, 1917, during the third and fourth...
				65 65th United States Congress The Sixty-fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1917 to March 4, 1919, during the fourth and fifth...
				66 66th United States Congress The Sixty-sixth United States Congress was a meeting of the legislative branch of the United States federal government, comprising the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1919 to March 4, 1921, during the last two years of...	6	Re-elected in 1918
				67 67th United States Congress The Sixty-seventh United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1921 to March 4, 1923, during the first two years...
				68 68th United States Congress The Sixty-eighth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1923 to March 4, 1925, during the last months of...
				69 69th United States Congress The Sixty-ninth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1925 to March 4, 1927, during the third and fourth...	7	Re-elected in 1924
				70 70th United States Congress The Seventieth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1927 to March 3, 1929, during the last two years of...
				71 71st United States Congress The Seventy-first United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1929 to March 4, 1931, during the first two years...
				72 72nd United States Congress The Seventy-second United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1931 to March 4, 1933, during the last two years...	8	Re-elected in 1930 Died
Vacant			March 2, 1933 – March 13, 1933
				73 73rd United States Congress The Seventy-third United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1933 to January 3, 1935, during the first two years...
6	John E. Erickson	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	March 13, 1933 – November 6, 1934			Self-appointed to continue Walsh's term Lost nomination to finish Walsh's term
7	James E. Murray	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	November 7, 1934 – January 3, 1961			Elected to finish Walsh's term
				74 74th United States Congress -House:Also 2 Delegates, 3 Resident Commissioners-Senate:*President of the Senate: John N. Garner *President pro tempore: Key Pittman -Majority leadership:*Majority leader: Joseph T. Robinson...
				75 75th United States Congress The Seventy-fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1937 to January 3, 1939, during the first two years...	9	Elected to full term in 1936
				76 76th United States Congress The Seventy-sixth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1939 to January 3, 1941, during the seventh and...
				77 77th United States Congress -Major events:* December 7, 1941: Attack on Pearl Harbor* December 8, 1941: Joint Session of Congress met to hear President Roosevelt deliver his "Day of Infamy" speech...
				78 78th United States Congress The Seventy-eighth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1943 to January 3, 1945, during the last two years...	10	Re-elected in 1942
				79 79th United States Congress The Seventy-ninth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1945 to January 3, 1947, during the last months of...
				80 80th United States Congress The Eightieth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1947 to January 3, 1949, during the third and fourth...
				81 81st United States Congress The Eighty-first United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives...	11	Re-elected in 1948
				82 82nd United States Congress The Eighty-second United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1951 to January 3, 1953, during the last two years...
				83 83rd United States Congress The Eighty-third United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1953 to January 3, 1955, during the first two years...
				84 84th United States Congress The Eighty-fourth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1955 to January 3, 1957, during the third and...	12	Re-elected in 1954 Retired
				85 85th United States Congress The Eighty-fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1957 to January 3, 1959, during the fifth and sixth...
				86 86th United States Congress The Eighty-sixth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1959 to January 3, 1961, during the last two years...
8	Lee Metcalf Lee Metcalf Lee Warren Metcalf was an American politician of the Democratic Party and was a United States Representative, and a United States Senator from Montana....	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 3, 1961 – January 12, 1978	87 87th United States Congress -House of Representatives :-Senate:* President: Richard Nixon , until January 20, 1961** Lyndon Johnson , from January 20, 1961* President pro tempore: Carl Hayden -House of Representatives:...	13	Elected in 1960
				88 88th United States Congress The Eighty-eighth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1963 to January 3, 1965, during the last year of...
				89 89th United States Congress -House of Representatives:- Senate :* President of the Senate: Hubert Humphrey , starting January 20, 1965* President pro tempore: Carl Hayden - Majority leadership :* Majority Leader and Democratic Conference Chairman: Mike Mansfield...
				90 91st United States Congress The Ninety-first United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1969 to January 3, 1971, during the first two years...	14	Re-elected in 1966
				91 93rd United States Congress The Ninety-third United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1973 to January 3, 1975, during the end of Richard...
				92 92nd United States Congress The Ninety-second United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives...
				93 93rd United States Congress The Ninety-third United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1973 to January 3, 1975, during the end of Richard...	15	Re-elected in 1972 Died
				94 94th United States Congress The Ninety-fourth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1975 to January 3, 1977, during the administration...
				95 95th United States Congress The Ninety-fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1977 to January 3, 1979, during the first two years...
Vacant			January 12, 1978 – January 22, 1978
9	Paul G. Hatfield Paul G. Hatfield Paul Gerhart Hatfield, was an American politician and a member of the Democratic Party. He served briefly as United States Senator from Montana in 1978, and was later a United States federal judge.-Early life:...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 22, 1978 – December 12, 1978			Appointed to fill Metcalf's term Lost nomination to full term, then resigned early to give successor preferential seniority
Vacant			December 12, 1978 – December 15, 1978
10	Max Baucus Max Baucus Max Sieben Baucus is the senior United States Senator from Montana and a member of the Democratic Party. First elected to the Senate in 1978, as of 2010 he is the longest-serving Senator from Montana, and the fifth longest-serving U.S...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	December 15, 1978 – Present			Appointed early to finish Hatfield's term, having already been elected to the next term
				96 96th United States Congress The Ninety-sixth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1979 to January 3, 1981, during the last two years...	16	Elected in 1978 United States Senate elections, 1978 The United States Senate election of 1978 in the middle of Democratic President Jimmy Carter's term. The Democrats lost a net of three seats to the Republicans, leaving the balance of the chamber 58-41 in favor of the Democrats....
				97 97th United States Congress The Ninety-seventh United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1981 to January 3, 1983, during the final weeks of...
				98 98th United States Congress The Ninety-eighth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1983 to January 3, 1985, during the third and...
				99 99th United States Congress The Ninety-ninth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1985 to January 3, 1987, during the fifth and sixth...	17	Re-elected in 1984 United States Senate elections, 1984 The 1984 elections to the United States Senate coincided with the landslide re-election of President Ronald Reagan in the 1984 presidential election...
				100 100th United States Congress -House of Representatives:- Senate :* President: George H.W. Bush * President pro tempore: John Stennis - Majority leadership :* Majority Leader, Democratic Conference Chairman, and Democratic Policy Committee Chairman: Robert Byrd...
				101 101st United States Congress The One Hundred First United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1989 to January 3, 1991, during the first two...
				102 102nd United States Congress -House of Representatives:- Senate :* President:Dan Quayle * President pro tempore: Robert Byrd - Majority leadership :* Majority Leader: George Mitchell* Majority Whip: Wendell Ford- Minority leadership :...	18	Re-elected in 1990 United States Senate elections, 1990 Elections to one-third of the seats in the United States Senate were held on Tuesday, November 6, 1990. The Democratic Party increased its majority with a net gain of one seat from the Republicans. This was in keeping with the trend that the party of the President often loses seats in a midterm...
				103 103rd United States Congress - House of Representatives :- Leadership :- Senate :* President: Dan Quayle , until January 20, 1993** Al Gore , from January 20, 1993* President pro tempore: Robert Byrd - Majority leadership :* Majority Leader: George Mitchell...
				104 104th United States Congress The One Hundred Fourth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1995 to January 3, 1997, during the third and...
				105 105th United States Congress The One Hundred Fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1997 to January 3, 1999, during the fifth and...	19	Re-elected in 1996 United States Senate election in Montana, 1996 The 1996 United States Senate election in Montana was held on November 5, 1996. Incumbent Democratic U.S. Senator Max Baucus won re-election to a fourth term.-Results:-See also:...
				106 106th United States Congress The One Hundred Sixth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1999 to January 3, 2001, during the last two...
				107 107th United States Congress The One Hundred Seventh United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from January 3, 2001 to January 3, 2003, during the final...
				108 108th United States Congress The One Hundred Eighth United States Congress was the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives from January 3, 2003 to January 3, 2005, during the third and fourth years of George W. Bush's...	20	Re-elected in 2002
				109 109th United States Congress The One Hundred Ninth United States Congress was the legislative branch of the United States, composed of the United States Senate and the United States House of Representatives, from January 3, 2005 to January 3, 2007, during the fifth and sixth years of George W. Bush's presidency. House members...
				110 110th United States Congress The One Hundred Tenth United States Congress was the meeting of the legislative branch of the United States federal government, between January 3, 2007, and January 3, 2009, during the last two years of the second term of President George W. Bush. It was composed of the Senate and the House of...
				111 111th United States Congress The One Hundred Eleventh United States Congress was the meeting of the legislative branch of the United States federal government from January 3, 2009 until January 3, 2011. It began during the last two weeks of the George W. Bush administration, with the remainder spanning the first two years of...	21	Re-elected in 2008 Incumbent
				112 112th United States Congress The One Hundred Twelfth United States Congress is the current meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It convened in Washington, D.C. on January 3, 2011, and will end on January...
#	Senator	Party	Years	Congress	Term	Electoral history

See also

• List of United States Representatives from Montana
• United States congressional delegations from Montana
  United States congressional delegations from Montana
  These are tables of congressional delegations from Montana to the United States Senate and United States House of Representatives. -United States Senate:- Delegates from Montana Territory:- Members of the United States House of Representatives :...