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Class 1
Class 1 U.S. senators belong to the electoral cycle that has recently been contested in 2000, 2006, 2012, and 2018. The next election will be in 2024.
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C
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Class 2
Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2002, 2008, 2014, and 2020. The next election will be in 2026.
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| #
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Senator
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Party
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Dates in office
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Electoral history
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T
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T
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Electoral history
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Dates in office
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Party
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Senator
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#
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| Vacant
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Jan 6, 1912 –
Mar 27, 1912
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New Mexico became a state January 6, 1912 but didn’t elect its U.S. senators until March 27.
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1
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62nd
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1
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New Mexico became a state January 6, 1912 but didn’t elect its U.S. senators until March 27.
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Jan 6, 1912 –
Mar 27, 1912
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Vacant
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| 1
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Thomas B. Catron
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Republican
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Mar 27, 1912 –
Mar 3, 1917
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Elected in 1912.Retired.
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Elected in 1912.
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Mar 27, 1912 –
Mar 3, 1921
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Republican
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Albert B. Fall
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1
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| 63rd
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2
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Elected in 1912 to next term, but Legislature invalided that election.Elected in 1913 to next term.
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| 64th
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| 2
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Andrieus A. Jones
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Democratic
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Mar 4, 1917 –
Dec 20, 1927
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Elected in 1916.
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2
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65th
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| 66th
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3
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Re-elected in 1918.Resigned to become U.S. Secretary of the Interior.
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| 67th
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Mar 4, 1921 –
Mar 11, 1921
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Vacant
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| Appointed to continue Fall’s term.Elected in 1921 to finish Fall’s term.Lost re-election.
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Mar 11, 1921 –
Mar 3, 1925
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Republican
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Holm O. Bursum
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2
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| Re-elected in 1922.Died.
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3
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68th
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| 69th
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4
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Elected in 1924.
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Mar 4, 1925 –
Jun 24, 1933
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Democratic
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Sam G. Bratton
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3
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| 70th
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| Vacant
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Dec 20, 1927 –
Dec 29, 1927
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|
| 3
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Bronson M. Cutting
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Republican
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Dec 29, 1927 –
Dec 6, 1928
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Appointed to continue Jones’s term.Retired when elected successor qualified.
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| 4
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Octaviano Larrazolo
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Republican
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Dec 7, 1928 –
Mar 3, 1929
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Elected in 1928 to finish Jones’s term.Retired due to illness.
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| 5
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Bronson M. Cutting
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Republican
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Mar 4, 1929 –
May 6, 1935
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Elected in 1928.
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4
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71st
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| 72nd
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5
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Re-elected in 1930.Resigned to become a judge of the U.S. Court of Appeals.
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| 73rd
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|
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Jun 24, 1933 –
Oct 10, 1933
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Vacant
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| Appointed to continue Bratton’s termElected in 1934 to finish Bratton’s term.
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Oct 10, 1933 –
Jan 3, 1949
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Democratic
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Carl Hatch
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4
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| Re-elected in 1934.Died.
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5
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74th
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| Vacant
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May 6, 1935 –
May 11, 1935
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| 6
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Dennis Chávez
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Democratic
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May 11, 1935 –
Nov 18, 1962
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Appointed to continue Cutting’s term.Elected in 1936 to finish Cutting’s term.
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| 75th
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6
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Re-elected in 1936.
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| 76th
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| Re-elected in 1940.
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6
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77th
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| 78th
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7
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Re-elected in 1942.Retired.
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| 79th
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| Re-elected in 1946.
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7
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80th
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| 81st
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8
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Elected in 1948.
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Jan 3, 1949 –
Jan 3, 1973
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Democratic
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Clinton Anderson
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5
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| 82nd
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| Re-elected in 1952.
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8
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83rd
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| 84th
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9
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Re-elected in 1954.
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| 85th
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| Re-elected in 1958.Died.
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9
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86th
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| 87th
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10
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Re-elected in 1960.
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| Vacant
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Nov 18, 1962 –
Nov 30, 1962
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|
| 7
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Edwin L. Mechem
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Republican
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Nov 30, 1962 –
Nov 3, 1964
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Self-appointed to continue Chávez’s term.Lost election to finish Chávez’s term.
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| 88th
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| 8
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Joseph Montoya
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Democratic
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Nov 4, 1964 –
Jan 3, 1977
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Elected in 1964 to finish Chávez’s term.
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| Re-elected in 1964.
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10
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89th
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| 90th
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11
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Re-elected in 1966.Retired.
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| 91st
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| Re-elected in 1970.Lost re-election.
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11
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92nd
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| 93rd
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12
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Elected in 1972.
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Jan 3, 1973 –
Jan 3, 2009
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Republican
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Pete Domenici
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6
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| 94th
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| 9
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Harrison Schmitt
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Republican
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Jan 3, 1977 –
Jan 3, 1983
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Elected in 1976.Lost re-election.
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12
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95th
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| 96th
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13
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Re-elected in 1978.
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| 97th
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| 10
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Jeff Bingaman
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Democratic
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Jan 3, 1983 –
Jan 3, 2013
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Elected in 1982.
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13
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98th
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| 99th
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14
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Re-elected in 1984.
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| 100th
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| Re-elected in 1988.
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14
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101st
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| 102nd
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15
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Re-elected in 1990.
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| 103rd
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| Re-elected in 1994.
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15
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104th
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| 105th
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16
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Re-elected in 1996.
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| 106th
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| Re-elected in 2000.
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16
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107th
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| 108th
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17
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Re-elected in 2002.Retired.
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| 109th
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| Re-elected in 2006.Retired.
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17
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110th
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| 111th
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18
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Elected in 2008.
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Jan 3, 2009 –
Jan 3, 2021
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Democratic
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Tom Udall
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7
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| 112th
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| 11
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Martin Heinrich
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Democratic
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Jan 3, 2013 –
Present
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Elected in 2012.
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18
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113th
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| 114th
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19
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Re-elected in 2014.Retired.
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| 115th
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| Re-elected in 2018.
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19
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116th
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| 117th
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20
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Elected in 2020.
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Jan 3, 2021 –
Present
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Democratic
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Ben Ray Luján
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8
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| 118th
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| To be determined in the 2024 election.
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20
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119th
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| 120th
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21
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To be determined in the 2026 election.
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| #
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Senator
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Party
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Years in office
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Electoral history
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T
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T
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Electoral history
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Years in office
|
Party
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Senator
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#
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| Class 1
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Class 2
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