Member/Delegate
|
Years
|
Party
|
District
|
Notes
|
LeRoy H. Anderson
|
January 3, 1957 – January 3, 1961
|
Democratic
|
2nd
|
Elected in 1956. Re-elected in 1958. Retired to run for U.S. senator.
|
Roy E. Ayers
|
March 4, 1933 – January 3, 1937
|
Democratic
|
2nd
|
Elected in 1932. Re-elected in 1934. Retired to run for Governor of Montana.
|
James F. Battin
|
January 3, 1961 – February 27, 1969
|
Republican
|
2nd
|
Elected in 1960. Re-elected in 1962. Re-elected in 1964. Re-elected in 1966. Re-elected in 1968. Resigned to become judge of the U.S. District Court of Montana.
|
Max Baucus
|
January 3, 1975 – December 14, 1978
|
Democratic
|
1st
|
Elected in 1974. Re-elected in 1976. Retired to run for U.S. senator and resigned when appointed to that seat.
|
Albert J. Campbell
|
March 4, 1899 – March 3, 1901
|
Democratic
|
At-large
|
Elected in 1898. Retired.
|
Thomas Henry Carter
|
March 4, 1889 – November 8, 1889
|
Republican
|
Territory
|
Elected in 1888. Position eliminated upon statehood.
|
November 8, 1889 – March 3, 1891
|
At-large
|
Elected in 1889. Lost re-election to W.W. Dixon.
|
James M. Cavanaugh
|
March 4, 1867 – March 3, 1871
|
Democratic
|
Territory
|
Elected in 1866. Re-elected in 1868. Lost renomination to Edwin W. Toole.
|
William H. Clagett
|
March 4, 1871 – March 3, 1873
|
Republican
|
Territory
|
Elected in 1871. Lost re-election to Maginnis.
|
Wesley A. D'Ewart
|
June 5, 1945 – January 3, 1955
|
Republican
|
2nd
|
Elected to finish O'Connor's term. Re-elected in 1946. Re-elected in 1948. Re-elected in 1950. Re-elected in 1952. Retired to run for U.S. senator.
|
Steve Daines
|
January 3, 2013 – January 3, 2015
|
Republican
|
At-large
|
Elected in 2012. Retired to successfully run for U.S. Senate.
|
Joseph M. Dixon
|
March 4, 1903 – March 3, 1907
|
Republican
|
At-large
|
Elected in 1902. Re-elected in 1904. Retired to run for U.S. Senate.
|
William W. Dixon
|
March 4, 1891 – March 3, 1893
|
Democratic
|
At-large
|
Elected in 1890. Lost re-election to Hartman.
|
Caldwell Edwards
|
March 4, 1901 – March 3, 1903
|
Populist
|
At-large
|
Elected in 1900. Retired.
|
John M. Evans
|
March 4, 1913 – March 3, 1919
|
Democratic
|
At-large
|
Elected in 1912. Re-elected in 1914. Re-elected in 1916. Redistricted to the 1st district.
|
March 4, 1919 – March 3, 1921
|
1st
|
Redistricted from the at-large district and re-elected in 1918. Lost re-election to McCormick.
|
March 4, 1923 – March 3, 1933
|
Elected in 1922. Re-elected in 1924. Re-elected in 1926. Re-elected in 1928. Re-elected in 1930. Lost renomination to Monaghan.
|
Orvin B. Fjare
|
January 3, 1955 – January 3, 1957
|
Republican
|
2nd
|
Elected in 1954. Lost re-election to Anderson.
|
Greg Gianforte
|
May 25, 2017 – January 3, 2021
|
Republican
|
At-large
|
Elected to finish Zinke's term. Re-elected in 2018. Retired to successfully run for Governor of Montana.
|
Charles S. Hartman
|
March 4, 1893 – March 3, 1897
|
Republican
|
At-large
|
Elected in 1892. Re-elected in 1894.
|
March 4, 1897 – March 3, 1899
|
Silver Republican
|
Re-elected in 1896 as a Silver Republican. Retired.
|
Rick Hill
|
January 3, 1997 – January 3, 2001
|
Republican
|
At-large
|
Elected in 1996. Re-elected in 1998. Retired.
|
Scott Leavitt
|
March 4, 1923 – March 3, 1933
|
Republican
|
2nd
|
Elected in 1922. Re-elected in 1924. Re-elected in 1926. Re-elected in 1928. Re-elected in 1930. Lost re-election to Ayers.
|
Martin Maginnis
|
March 4, 1873 – March 3, 1885
|
Democratic
|
Territory
|
Elected in 1872. Re-elected in 1874. Re-elected in 1876. Re-elected in 1878. Re-elected in 1880. Re-elected in 1882. Retired.
|
Mike Mansfield
|
January 3, 1943 – January 3, 1953
|
Democratic
|
1st
|
Elected in 1942. Re-elected in 1944. Re-elected in 1946. Re-elected in 1948. Re-elected in 1950. Retired to run for U.S. senator.
|
Ron Marlenee
|
January 3, 1977 – January 3, 1993
|
Republican
|
2nd
|
Elected in 1976. Re-elected in 1978. Re-elected in 1980. Re-elected in 1982. Re-elected in 1984. Re-elected in 1986. Re-elected in 1988. Re-elected in 1990. Redistricted to the at-large district and lost re-election to Williams.
|
Washington J. McCormick
|
March 4, 1921 – March 3, 1923
|
Republican
|
1st
|
Elected in 1920. Lost re-election to Evans.
|
Samuel McLean
|
January 6, 1865 – March 3, 1867
|
Democratic
|
Territory
|
Elected in 1864. Re-elected in 1865. Retired.
|
John Melcher
|
June 24, 1969 – January 3, 1977
|
Democratic
|
2nd
|
Elected to finish Battin's term. Re-elected in 1970. Re-elected in 1972. Re-elected in 1974. Retired to run for U.S. senator.
|
Lee Metcalf
|
January 3, 1953 – January 3, 1961
|
Democratic
|
1st
|
Elected in 1952. Re-elected in 1954. Re-elected in 1956. Re-elected in 1958. Retired to run for U.S. senator.
|
Joseph P. Monaghan
|
March 4, 1933 – January 3, 1937
|
Democratic
|
1st
|
Elected in 1932. Re-elected in 1934. Retired to run for U.S. senator.
|
Jerry J. O'Connell
|
January 3, 1937 – January 3, 1939
|
Democratic
|
1st
|
Elected in 1936. Lost re-election to Thorkelson.
|
James F. O'Connor
|
January 3, 1937 – January 15, 1945
|
Democratic
|
2nd
|
Elected in 1936. Re-elected in 1938. Re-elected in 1940. Re-elected in 1942. Re-elected in 1944. Died.
|
Arnold Olsen
|
January 3, 1961 – January 3, 1971
|
Democratic
|
1st
|
Elected in 1960. Re-elected in 1962. Re-elected in 1964. Re-elected in 1966. Re-elected in 1968. Lost re-election to Shoup.
|
Charles Nelson Pray
|
March 4, 1907 – March 3, 1913
|
Republican
|
At-large
|
Elected in 1906. Re-elected in 1908. Re-elected in 1910. Lost re-election to Evans.
|
Jeannette Rankin
|
March 4, 1917 – March 3, 1919
|
Republican
|
At-large
|
Elected in 1916. Retired to run for U.S. Senator.
|
January 3, 1941 – January 3, 1943
|
1st
|
Elected in 1940. Retired.
|
Dennis Rehberg
|
January 3, 2001 – January 3, 2013
|
Republican
|
At-large
|
Elected in 2000. Re-elected in 2002. Re-elected in 2004. Re-elected in 2006. Re-elected in 2008. Re-elected in 2010. Retired to run for U.S. Senator.
|
Carl W. Riddick
|
March 4, 1919 – March 3, 1923
|
Republican
|
2nd
|
Elected in 1918. Re-elected in 1920. Retired to run for U.S. senator.
|
Matt Rosendale
|
January 3, 2021 – January 3, 2023
|
Republican
|
At-large
|
Elected in 2020. Redistricted to the 2nd district.
|
January 3, 2023 – present
|
2nd
|
Redistricted from the at-large district and re-elected in 2022. Incumbent.
|
Richard G. Shoup
|
January 3, 1971 – January 3, 1975
|
Republican
|
1st
|
Elected in 1970. Re-elected in 1972. Lost re-election to Baucus.
|
Tom Stout
|
March 4, 1913 – March 3, 1917
|
Democratic
|
At-large
|
Elected in 1912. Re-elected in 1914. Retired.
|
Jacob Thorkelson
|
January 3, 1939 – January 3, 1941
|
Republican
|
1st
|
Elected in 1938. Lost renomination to Rankin.
|
Joseph Toole
|
March 4, 1885 – March 3, 1889
|
Democratic
|
Territory
|
Elected in 1884. Re-elected in 1886. Retired.
|
Pat Williams
|
January 3, 1979 – January 3, 1993
|
Democratic
|
1st
|
Elected in 1978. Re-elected in 1980. Re-elected in 1982. Re-elected in 1984. Re-elected in 1986. Re-elected in 1988. Re-elected in 1990. Redistricted to the at-large seat.
|
January 3, 1993 – January 3, 1997
|
At-large
|
Redistricted from the 1st district. and Re-elected in 1992. Re-elected in 1994. Retired.
|
Ryan Zinke
|
January 3, 2015 – March 1, 2017
|
Republican
|
At-large
|
Elected in 2014. Re-elected in 2016. Resigned to become U.S. Secretary of the Interior.
|
January 3, 2023 – present
|
1st
|
Elected in 2022. Incumbent.
|