| Class 1Class 1 U.S. senators belong to the electoral cycle that has recently been contested in2006,2012,2018, and2024. The next election will be in2030. | C | Class 3Class 3 U.S. senators belong to the electoral cycle that has recently been contested in2004,2010,2016, and2022. The next election will be in2028. |
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| # | Senator | Party | Dates in office | Electoral history | T | T | Electoral history | Dates in office | Party | Senator | # |
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| 1 |  William M. Stewart | Republican | Feb 1, 1865 – Mar 3, 1875 | Elected in 1865. | 1 | 38th | 1 | Elected in 1865. | Feb 1, 1865 – Mar 3, 1873 | Republican |  James W. Nye | 1 |
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| 39th |
| 40th | 2 | Re-elected in 1867.Lost re-election. |
| Re-elected in 1869.Retired. | 2 | 41st |
| 42nd |
| 43rd | 3 | Elected in 1873. | Mar 4, 1873 – Mar 3, 1903 | Republican |  John P. Jones | 2 |
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| 2 |  William Sharon | Republican | Mar 4, 1875 – Mar 3, 1881 | Elected in 1875.[1]Retired or lost renomination.[2] | 3 | 44th |
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| 45th |
| 46th | 4 | Re-elected in 1879. |
| 3 |  James G. Fair | Democratic | Mar 4, 1881 – Mar 3, 1887 | Elected in 1881.[2]Lost re-election. | 3 | 47th |
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| 48th |
| 49th | 5 | Re-elected in 1885. |
| 4 |  William M. Stewart | Republican | Mar 4, 1887 – Mar 3, 1905 | Elected in 1887. | 4 | 50th |
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| 51st |
| 52nd | 6 | Re-elected in 1891. |
| Silver | Re-elected in 1893. | 5 | 53rd |
| 54th | Silver |
| 55th | 7 | Re-elected in 1897.Retired. |
| Re-elected in 1899.Retired. | 6 | 56th |
| Republican | 57th | Republican |
| 58th | 8 | Elected in 1903. | Mar 4, 1903 – Dec 24, 1917 | Democratic |  Francis G. Newlands | 3 |
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| 5 |  George S. Nixon | Republican | Mar 4, 1905 – June 5, 1912 | Elected in 1905. | 7 | 59th |
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| 60th |
| 61st | 9 | Re-elected in 1909. |
| Re-elected in 1911.Died. | 8 | 62nd |
| Vacant | June 5, 1912 – July 1, 1912 | |
| 6 |  William A. Massey | Republican | July 1, 1912 – Jan 29, 1913 | Appointed to continue Nixon's term.Lost election to finish Nixon's term. |
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| 7 |  Key Pittman | Democratic | Jan 29, 1913 – Nov 10, 1940 | Elected in 1913 to finish Nixon's term. |
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| 63rd |
| 64th | 10 | Re-elected in 1914.Died. |
| Elected in 1916 to full term. | 9 | 65th |
| | Dec 24, 1917 – Jan 12, 1918 | Vacant |
| Appointed to continue Newlands's term.Elected in 1918 to finish Newlands's term.[3]Lost election to full term. | Jan 12, 1918 – Mar 3, 1921 | Democratic |  Charles Henderson | 4 |
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| 66th |
| 67th | 11 | Elected in 1920. | Mar 4, 1921 – Mar 3, 1933 | Republican |  Tasker Oddie | 5 |
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| Re-elected in 1922. | 10 | 68th |
| 69th |
| 70th | 12 | Re-elected in 1926.Lost re-election. |
| Re-elected in 1928. | 11 | 71st |
| 72nd |
| 73rd | 13 | Elected in 1932. | Mar 4, 1933 – Sep 28, 1954 | Democratic |  Pat McCarran | 6 |
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| Re-elected in 1934.Died, having beenelected to the next term. | 12 | 74th |
| 75th |
| 76th | 14 | Re-elected in 1938. |
| Vacant | Nov 10, 1940 – Nov 27, 1940 | |
| 8 |  Berkeley L. Bunker | Democratic | Nov 27, 1940 – Dec 6, 1942 | Appointed to finish Pittman's term. |
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| Appointed to start Pittman's next term.Lost nomination to finish Pittman's next term. | 13 | 77th |
| 9 |  James G. Scrugham | Democratic | Dec 7, 1942 – Jun 23, 1945 | Elected in 1942 to finish Pittman's term.Died. |
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| 78th |
| 79th | 15 | Re-elected in 1944. |
| Vacant | Jun 23, 1945 – July 24, 1945 | |
| 10 |  Edward P. Carville | Democratic | July 24, 1945 – Jan 3, 1947 | Appointed to finish Scrugham's term.Lost nomination to full term. |
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| 11 |  George W. Malone | Republican | Jan 3, 1947 – Jan 3, 1959 | Elected in 1946. | 15 | 80th |
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| 81st |
| 82nd | 16 | Re-elected in 1950.Died. |
| Re-elected in 1952.Lost re-election. | 16 | 83rd |
| | Sep 28, 1954 – Oct 1, 1954 | Vacant |
| Appointed to continue McCarran's term.Lost election to finish McCarran's term. | Oct 1, 1954 – Dec 1, 1954 | Republican |  Ernest S. Brown | 7 |
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| Elected in 1954 to finish McCarran's term. | Dec 2, 1954 – Dec 17, 1974 | Democratic |  Alan Bible | 8 |
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| 84th |
| 85th | 17 | Re-elected in 1956. |
| 12 |  Howard Cannon | Democratic | Jan 3, 1959 – Jan 3, 1983 | Elected in 1958. | 17 | 86th |
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| 87th |
| 88th | 18 | Re-elected in 1962. |
| Re-elected in 1964. | 18 | 89th |
| 90th |
| 91st | 19 | Re-elected in 1968.Retired, then resigned early to give successor preferential seniority. |
| Re-elected in 1970. | 19 | 92nd |
| 93rd |
| Appointed to finish Bible's term, having already been elected to the next term. | Dec 18, 1974 – Jan 3, 1987 | Republican |  Paul Laxalt | 9 |
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| 94th | 20 | Elected in 1974. |
| Re-elected in 1976.Lost re-election. | 20 | 95th |
| 96th |
| 97th | 21 | Re-elected in 1980.Retired. |
| 13 |  Chic Hecht | Republican | Jan 3, 1983 – Jan 3, 1989 | Elected in 1982.Lost re-election. | 21 | 98th |
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| 99th |
| 100th | 22 | Elected in 1986. | Jan 3, 1987 – Jan 3, 2017 | Democratic |  Harry Reid | 10 |
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| 14 |  Richard Bryan | Democratic | Jan 3, 1989 – Jan 3, 2001 | Elected in 1988. | 22 | 101st |
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| 102nd |
| 103rd | 23 | Re-elected in 1992. |
| Re-elected in 1994.Retired. | 23 | 104th |
| 105th |
| 106th | 24 | Re-elected in 1998. |
| 15 |  John Ensign | Republican | Jan 3, 2001 – May 3, 2011 | Elected in 2000. | 24 | 107th |
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| 108th |
| 109th | 25 | Re-elected in 2004. |
| Re-elected in 2006.Resigned. | 25 | 110th |
| 111th |
| 112th | 26 | Re-elected in 2010.Retired.[4] |
| Vacant | May 3, 2011 – May 9, 2011 | |
| 16 |  Dean Heller | Republican | May 9, 2011 – Jan 3, 2019 | Appointed to finish Ensign's term. |
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| Elected in 2012 to a full term.Lost re-election. | 26 | 113th |
| 114th |
| 115th | 27 | Elected in 2016. | Jan 3, 2017 – present | Democratic |  Catherine Cortez Masto | 11 |
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| 17 |  Jacky Rosen | Democratic | Jan 3, 2019 – present | Elected in 2018.[5] | 27 | 116th |
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| 117th |
| 118th | 28 | Re-elected in 2022. |
| Re-elected in 2024. | 28 | 119th |
| 120th |
| 121st | 29 | To be determined in the 2028 election. |
| # | Senator | Party | Years in office | Electoral history | T | C | T | Electoral history | Years in office | Party | Senator | # |
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| Class 1 | Class 3 |
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