List of United States senators from Montana

Template:Short description Template:Use mdy dates Template:Multiple image Montana was admitted to the Union on November 8, 1889, and elects U.S. senators to classes 1 and 2. Its current U.S. senators are Republicans Steve Daines (serving since 2015) and Tim Sheehy (serving since 2025). Democrat Max Baucus is the state's longest serving senator, serving from 1978 to 2014.

List of senators

|- style="height:2em" | colspan=3 | Vacant | nowrap | Nov 8, 1889 –
Jan 1, 1890 | Montana elected its first senators two months after admission to the Union. | rowspan=3 | 1 | rowspan=2 Template:List of United States senators Congress | rowspan=5 | 1 | Montana elected its first senators two months after admission to the Union. | nowrap | Nov 8, 1889 –
Jan 2, 1890 | colspan=3 | Vacant

|- style="height:2em" ! rowspan=2 | 1 | rowspan=2 align=left |
Wilbur F. Sanders | rowspan=2 Template:Party shading/Republican | Republican | rowspan=2 nowrap | Jan 1, 1890 –
Mar 3, 1893 | rowspan=2 | Elected in 1890.Template:PbLost re-election. | rowspan=4 | Elected in 1890.Template:PbRetired. | rowspan=4 nowrap | Jan 2, 1890 –
Mar 3, 1895 | rowspan=4 Template:Party shading/Republican | Republican | rowspan=4 align=right |
Thomas C. Power ! rowspan=4 | 1

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|- style="height:2em" | colspan=3 | Vacant | nowrap | Mar 3, 1893 –
Jan 16, 1895 | Legislature failed to elect. | rowspan=4 | 2 | rowspan=2 Template:List of United States senators Congress

|- style="height:2em" ! rowspan=3 | 2 | rowspan=3 align=left |
Lee Mantle | rowspan=2 Template:Party shading/Republican | Republican | rowspan=3 nowrap | Jan 16, 1895 –
Mar 3, 1899 | rowspan=3 | Elected to finish vacant term.Template:PbLost renomination.

|- style="height:2em" | Template:List of United States senators Congress | rowspan=4 | 2 | rowspan=4 | Elected in Jan 1895.<ref>Template:Cite web</ref>Template:PbLost re-election. | rowspan=4 nowrap | Mar 4, 1895 –
Mar 3, 1901 | rowspan=4 Template:Party shading/Republican | Republican | rowspan=4 align=right |
Thomas H. Carter ! rowspan=4 | 2

|- style="height:2em" | Template:Party shading/Silver Republican | Silver
Republican | Template:List of United States senators Congress

|- style="height:2em" ! 3 | align=left |
William Clark | Template:Party shading/Democratic | Democratic | nowrap | Mar 4, 1899 –
May 15, 1900 | Elected in 1899.Template:PbResigned to avoid claim of election fraud. | rowspan=5 | 3 | rowspan=2 Template:List of United States senators Congress

|- style="height:2em" | rowspan=2 colspan=3 | Vacant | rowspan=2 nowrap | May 15, 1900 –
Mar 7, 1901 | rowspan=2 | Clark was appointed to continue his term, but did not qualify.

|- style="height:2em" | rowspan=2 Template:List of United States senators Congress | rowspan=4 | 3 | rowspan=4 | Elected in 1901.Template:PbRetired. | rowspan=4 nowrap | Mar 4, 1901 –
Mar 3, 1907 | rowspan=4 Template:Party shading/Democratic | Democratic | rowspan=4 align=right |
William Clark ! rowspan=4 | 3

|- style="height:2em" ! rowspan=2 | 4 | rowspan=2 align=left |
Paris Gibson | rowspan=2 Template:Party shading/Democratic | Democratic | rowspan=2 nowrap | Mar 7, 1901 –
Mar 3, 1905 | rowspan=2 | Elected to finish Clark's term.<ref name=gibson2>Template:Cite web</ref><ref name=gibson3>Template:Cite web</ref>Template:PbRetired.

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|- style="height:2em" ! rowspan=3 | 5 | rowspan=3 align=left |
Thomas H. Carter | rowspan=3 Template:Party shading/Republican | Republican | rowspan=3 nowrap | Mar 4, 1905 –
Mar 3, 1911 | rowspan=3 | Elected Jan 16, 1905.<ref>Template:Cite book</ref>Template:PbLost re-election. | rowspan=3 | 4 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 4 | rowspan=3 | Elected Jan 16, 1907.<ref>Template:Cite book</ref>Template:PbLost re-election as a Progressive. | rowspan=3 nowrap | Mar 4, 1907 –
Mar 3, 1913 | rowspan=3 Template:Party shading/Republican | Republican | rowspan=3 align=right |
Joseph M. Dixon ! rowspan=3 | 4

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|- style="height:2em" ! rowspan=6 | 6 | rowspan=6 align=left |
Henry L. Myers | rowspan=6 Template:Party shading/Democratic | Democratic | rowspan=6 nowrap | Mar 4, 1911 –
Mar 3, 1923 | rowspan=3 | Elected Mar 2, 1911. | rowspan=3 | 5 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 5 | rowspan=3 | Elected Jan 14, 1913. | rowspan=10 nowrap | Mar 4, 1913 –
Mar 2, 1933 | rowspan=10 Template:Party shading/Democratic | Democratic | rowspan=10 align=right |
Thomas J. Walsh ! rowspan=10 | 5

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|- style="height:2em" | rowspan=3 | Re-elected in 1916.Template:PbRetired. | rowspan=3 | 6 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 6 | rowspan=3 | Re-elected in 1918.

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|- style="height:2em" ! rowspan=15 | 7 | rowspan=15 align=left |
Burton K. Wheeler | rowspan=15 Template:Party shading/Democratic | Democratic | rowspan=15 nowrap | Mar 4, 1923 –
Jan 3, 1947 | rowspan=3 | Elected in 1922. | rowspan=3 | 7 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 7 | rowspan=3 | Re-elected in 1924.

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|- style="height:2em" | rowspan=6 | Re-elected in 1928. | rowspan=6 | 8 | Template:List of United States senators Congress

|- style="height:2em" | rowspan=2 Template:List of United States senators Congress | rowspan=6 | 8 | Re-elected in 1930.Template:PbDied.<ref name=tjwalsh>Template:Cite web</ref>

|- style="height:2em" | rowspan=2 |   | rowspan=2 nowrap | Mar 2, 1933 –
Mar 13, 1933 | rowspan=2 colspan=3 | Vacant

|- style="height:2em" | rowspan=3 Template:List of United States senators Congress

|- style="height:2em" | Appointed to continue Walsh's term.Template:PbLost nomination to finish Walsh's term. | nowrap | Mar 13, 1933 –
Nov 6, 1934 | Template:Party shading/Democratic | Democratic | align=right |
John E. Erickson ! 6

|- style="height:2em" | rowspan=2 | Elected to finish Walsh's term.<ref name=jemurray>Template:Cite web</ref> | rowspan=14 nowrap | Nov 7, 1934 –
Jan 3, 1961 | rowspan=14 Template:Party shading/Democratic | Democratic | rowspan=14 align=right |
James E. Murray ! rowspan=14 | 7

|- style="height:2em" | rowspan=3 | Re-elected in 1934. | rowspan=3 | 9 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 9 | rowspan=3 | Re-elected in 1936.

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|- style="height:2em" | rowspan=3 | Re-elected in 1940.Template:PbLost renomination. | rowspan=3 | 10 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 10 | rowspan=3 | Re-elected in 1942.

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|- style="height:2em" ! rowspan=3 | 8 | rowspan=3 align=left |
Zales Ecton | rowspan=3 Template:Party shading/Republican | Republican | rowspan=3 nowrap | Jan 3, 1947 –
Jan 3, 1953 | rowspan=3 | Elected in 1946.Template:PbLost re-election. | rowspan=3 | 11 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 11 | rowspan=3 | Re-elected in 1948.

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|- style="height:2em" ! rowspan=12 | 9 | rowspan=12 align=left |
Mike Mansfield | rowspan=12 Template:Party shading/Democratic | Democratic | rowspan=12 nowrap | Jan 3, 1953 –
Jan 3, 1977 | rowspan=3 | Elected in 1952.<ref name=mansfield2>Template:Cite web</ref> | rowspan=3 | 12 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 12 | rowspan=3 | Re-elected in 1954.Template:PbRetired.

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|- style="height:2em" | rowspan=3 | Re-elected in 1958. | rowspan=3 | 13 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 13 | rowspan=3 | Elected in 1960.<ref name=metcalf>Template:Cite web</ref> | rowspan=9 nowrap | Jan 3, 1961 –
Jan 12, 1978 | rowspan=9 Template:Party shading/Democratic | Democratic | rowspan=9 align=right |
Lee Metcalf ! rowspan=9 | 8

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|- style="height:2em" | rowspan=3 | Re-elected in 1964. | rowspan=3 | 14 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 14 | rowspan=3 | Re-elected in 1966.

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|- style="height:2em" | rowspan=3 | Re-elected in 1970.Template:PbRetired. | rowspan=3 | 15 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=7 | 15 | rowspan=3 | Re-elected in 1972.Template:PbDied.

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|- style="height:2em" ! rowspan=10 | 10 | rowspan=10 align=left |
John Melcher | rowspan=10 Template:Party shading/Democratic | Democratic | rowspan=10 nowrap | Jan 3, 1977 –
Jan 3, 1989 | rowspan=7 | Elected in 1976. | rowspan=7 | 16 | rowspan=5 Template:List of United States senators Congress

|- style="height:2em" |   | nowrap | Jan 12, 1978 –
Jan 22, 1978 | colspan=3 | Vacant

|- style="height:2em" | Appointed to finish Metcalf's term.Template:PbLost nomination to full term.Template:PbResigned early to give successor preferential seniority. | nowrap | Jan 22, 1978 –
Dec 14, 1978 | Template:Party shading/Democratic | Democratic | align=right |
Paul G. Hatfield ! 9

|- style="height:2em" |   | nowrap | Dec 14, 1978 –
Dec 15, 1978 | colspan=3 | Vacant

|- style="height:2em" | Appointed early to finish Metcalf's term, having already been elected to the next term.<ref name=baucus>Template:Cite web</ref> | rowspan=19 nowrap | Dec 15, 1978 –
Feb 6, 2014 | rowspan=19 Template:Party shading/Democratic | Democratic | rowspan=19 align=right |
Max Baucus ! rowspan=19 | 10

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 16 | rowspan=3 | Elected in 1978.

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|- style="height:2em" | rowspan=3 | Re-elected in 1982.Template:PbLost re-election. | rowspan=3 | 17 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 17 | rowspan=3 | Re-elected in 1984.

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|- style="height:2em" ! rowspan=9 | 11 | rowspan=9 align=left |
Conrad Burns | rowspan=9 Template:Party shading/Republican | Republican | rowspan=9 nowrap | Jan 3, 1989 –
Jan 3, 2007 | rowspan=3 | Elected in 1988. | rowspan=3 | 18 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 18 | rowspan=3 | Re-elected in 1990.

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" | rowspan=3 | Re-elected in 1994. | rowspan=3 | 19 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 19 | rowspan=3 | Re-elected in 1996.

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|- style="height:2em" | rowspan=3 | Re-elected in 2000.Template:PbLost re-election. | rowspan=3 | 20 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 20 | rowspan=3 | Re-elected in 2002.

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|- style="height:2em" ! rowspan=11 | 12 | rowspan=11 align=left |
Jon Tester | rowspan=11 Template:Party shading/Democratic | Democratic | rowspan=11 nowrap | Jan 3, 2007 –
Jan 3, 2025 | rowspan=3 | Elected in 2006. | rowspan=3 | 21 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=5 | 21 | rowspan=3 | Re-elected in 2008.Template:PbAnnounced retirement, then resigned to become U.S. Ambassador to China.

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|- style="height:2em" | rowspan=5 | Re-elected in 2012. | rowspan=5 | 22 | rowspan=3 Template:List of United States senators Congress

|- style="height:2em" |   | nowrap | Feb 6, 2014 –
Feb 9, 2014 | colspan=3 | Vacant

|- style="height:2em" | Appointed to finish Baucus's term.Template:PbRan for election to full term, but withdrew. | nowrap | Feb 9, 2014 –
Jan 3, 2015 | Template:Party shading/Democratic | Democratic | align=right |
John Walsh ! 11

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 22 | rowspan=3 | Elected in 2014. | rowspan=6 nowrap | Jan 3, 2015 –
present | rowspan=6 Template:Party shading/Republican | Republican | rowspan=6 align=right |
Steve Daines ! rowspan=6 | 12

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" | rowspan=3 | Re-elected in 2018.Template:PbLost re-election. | rowspan=3 | 23 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 23 | rowspan=3 |Re-elected in 2020.

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" ! rowspan=3 | 13 | rowspan=3 align=left |
Tim Sheehy | rowspan=3 Template:Party shading/Republican | Republican | rowspan=3 nowrap | Jan 3, 2025 –
present | rowspan=3| Elected in 2024. | rowspan=3| 24 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 24 | rowspan=3 colspan=5 | To be determined in the 2026 election.

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" | colspan=5 | To be determined in the 2030 election. | 25 | Template:List of United States senators Congress

See also

• List of United States representatives from Montana
• United States congressional delegations from Montana
• Elections in Montana