# List of United States senators from North Dakota

North Dakota was admitted to the Union on November 2, 1889, and elects U.S. senators to class 1 and class 3. Its current senators in Congress are Republicans John Hoeven (since 2011) and Kevin Cramer (since 2019). Milton Young was North Dakota's longest-serving senator (1945–1981).

## List of senators

| Class 1Class 1 senators belong to the electoral cycle that has recently been contested in 2006, 2012, 2018, and 2024. The next election will be in 2030. | Class 1Class 1 senators belong to the electoral cycle that has recently been contested in 2006, 2012, 2018, and 2024. The next election will be in 2030. | Class 1Class 1 senators belong to the electoral cycle that has recently been contested in 2006, 2012, 2018, and 2024. The next election will be in 2030. | Class 1Class 1 senators belong to the electoral cycle that has recently been contested in 2006, 2012, 2018, and 2024. The next election will be in 2030. | Class 1Class 1 senators belong to the electoral cycle that has recently been contested in 2006, 2012, 2018, and 2024. The next election will be in 2030. | Class 1Class 1 senators belong to the electoral cycle that has recently been contested in 2006, 2012, 2018, and 2024. The next election will be in 2030. | C | Class 3Class 3 senators belong to the electoral cycle that has recently been contested in 2004, 2010, 2016, and 2022. The next election will be in 2028. | Class 3Class 3 senators belong to the electoral cycle that has recently been contested in 2004, 2010, 2016, and 2022. The next election will be in 2028. | Class 3Class 3 senators belong to the electoral cycle that has recently been contested in 2004, 2010, 2016, and 2022. The next election will be in 2028. | Class 3Class 3 senators belong to the electoral cycle that has recently been contested in 2004, 2010, 2016, and 2022. The next election will be in 2028. | Class 3Class 3 senators belong to the electoral cycle that has recently been contested in 2004, 2010, 2016, and 2022. The next election will be in 2028. | Class 3Class 3 senators belong to the electoral cycle that has recently been contested in 2004, 2010, 2016, and 2022. The next election will be in 2028. |
| # | Senator | Party | Dates in office | Electoral history | T | C | T | Electoral history | Dates in office | Party | Senator | # |
| Vacant | Vacant | Vacant | Nov 2, 1889 – Nov 25, 1889 | | 1 | 51st | 1 | | Nov 2, 1889 – Nov 25, 1889 | Vacant | Vacant | Vacant |
| 1 | Lyman R. Casey | Republican | Nov 25, 1889 – Mar 4, 1893 | Elected in 1889.Lost renomination. | 1 | 51st | 1 | Elected in 1889.Lost re-election. | Nov 25, 1889 – Mar 3, 1891 | Republican | Gilbert A. Pierce | 1 |
| 1 | Lyman R. Casey | Republican | Nov 25, 1889 – Mar 4, 1893 | Elected in 1889.Lost renomination. | 1 | 52nd | 2 | Elected in 1891. | Mar 4, 1891 – Mar 4, 1909 | Republican | Henry C. Hansbrough | 2 |
| 2 | William N. Roach | Democratic | Mar 4, 1893 – Mar 4, 1899 | Elected in 1893. Lost re-election. | 2 | 53rd | 2 | Elected in 1891. | Mar 4, 1891 – Mar 4, 1909 | Republican | Henry C. Hansbrough | 2 |
| 2 | William N. Roach | Democratic | Mar 4, 1893 – Mar 4, 1899 | Elected in 1893. Lost re-election. | 2 | 54th | 2 | Elected in 1891. | Mar 4, 1891 – Mar 4, 1909 | Republican | Henry C. Hansbrough | 2 |
| 2 | William N. Roach | Democratic | Mar 4, 1893 – Mar 4, 1899 | Elected in 1893. Lost re-election. | 2 | 55th | 3 | Re-elected in 1897. | Mar 4, 1891 – Mar 4, 1909 | Republican | Henry C. Hansbrough | 2 |
| 3 | Porter J. McCumber | Republican | Mar 4, 1899 – Mar 4, 1923 | Elected in 1899. | 3 | 56th | 3 | Re-elected in 1897. | Mar 4, 1891 – Mar 4, 1909 | Republican | Henry C. Hansbrough | 2 |
| 3 | Porter J. McCumber | Republican | Mar 4, 1899 – Mar 4, 1923 | Elected in 1899. | 3 | 57th | 3 | Re-elected in 1897. | Mar 4, 1891 – Mar 4, 1909 | Republican | Henry C. Hansbrough | 2 |
| 3 | Porter J. McCumber | Republican | Mar 4, 1899 – Mar 4, 1923 | Elected in 1899. | 3 | 58th | 4 | Re-elected in 1903.Lost renomination. | Mar 4, 1891 – Mar 4, 1909 | Republican | Henry C. Hansbrough | 2 |
| 3 | Porter J. McCumber | Republican | Mar 4, 1899 – Mar 4, 1923 | Re-elected in 1905. | 4 | 59th | 4 | Re-elected in 1903.Lost renomination. | Mar 4, 1891 – Mar 4, 1909 | Republican | Henry C. Hansbrough | 2 |
| 3 | Porter J. McCumber | Republican | Mar 4, 1899 – Mar 4, 1923 | Re-elected in 1905. | 4 | 60th | 4 | Re-elected in 1903.Lost renomination. | Mar 4, 1891 – Mar 4, 1909 | Republican | Henry C. Hansbrough | 2 |
| 3 | Porter J. McCumber | Republican | Mar 4, 1899 – Mar 4, 1923 | Re-elected in 1905. | 4 | 61st | 5 | Elected in 1909.Died. | Mar 4, 1909 – Oct 21, 1909 | Republican | Martin N. Johnson | 3 |
| 3 | Porter J. McCumber | Republican | Mar 4, 1899 – Mar 4, 1923 | Re-elected in 1905. | 4 | 61st | 5 | | Oct 21, 1909 – Nov 10, 1909 | Vacant | Vacant | Vacant |
| 3 | Porter J. McCumber | Republican | Mar 4, 1899 – Mar 4, 1923 | Re-elected in 1905. | 4 | 61st | 5 | Appointed to continue Johnson's term.Resigned. | Nov 10, 1909 – Jan 31, 1910 | Democratic | Fountain L. Thompson | 4 |
| 3 | Porter J. McCumber | Republican | Mar 4, 1899 – Mar 4, 1923 | Re-elected in 1905. | 4 | 61st | 5 | Appointed to continue Johnson's term.Lost election to finish Johnson's term. | Feb 1, 1910 – Feb 1, 1911 | Democratic | William E. Purcell | 5 |
| 3 | Porter J. McCumber | Republican | Mar 4, 1899 – Mar 4, 1923 | Re-elected in 1905. | 4 | 61st | 5 | Elected in 1911 to finish Johnson's term, but didn't qualify until resigning from the U.S. House. | Feb 2, 1911 – Mar 3, 1921 | Republican | Asle Gronna | 6 |
| 3 | Porter J. McCumber | Republican | Mar 4, 1899 – Mar 4, 1923 | Re-elected in 1911. | 5 | 62nd | 5 | Elected in 1911 to finish Johnson's term, but didn't qualify until resigning from the U.S. House. | Feb 2, 1911 – Mar 3, 1921 | Republican | Asle Gronna | 6 |
| 3 | Porter J. McCumber | Republican | Mar 4, 1899 – Mar 4, 1923 | Re-elected in 1911. | 5 | 63rd | 5 | Elected in 1911 to finish Johnson's term, but didn't qualify until resigning from the U.S. House. | Feb 2, 1911 – Mar 3, 1921 | Republican | Asle Gronna | 6 |
| 3 | Porter J. McCumber | Republican | Mar 4, 1899 – Mar 4, 1923 | Re-elected in 1911. | 5 | 64th | 6 | Re-elected in 1914.Lost renomination. | Feb 2, 1911 – Mar 3, 1921 | Republican | Asle Gronna | 6 |
| 3 | Porter J. McCumber | Republican | Mar 4, 1899 – Mar 4, 1923 | Re-elected in 1916.Lost renomination. | 6 | 65th | 6 | Re-elected in 1914.Lost renomination. | Feb 2, 1911 – Mar 3, 1921 | Republican | Asle Gronna | 6 |
| 3 | Porter J. McCumber | Republican | Mar 4, 1899 – Mar 4, 1923 | Re-elected in 1916.Lost renomination. | 6 | 66th | 6 | Re-elected in 1914.Lost renomination. | Feb 2, 1911 – Mar 3, 1921 | Republican | Asle Gronna | 6 |
| 3 | Porter J. McCumber | Republican | Mar 4, 1899 – Mar 4, 1923 | Re-elected in 1916.Lost renomination. | 6 | 67th | 7 | Elected in 1920.Died. | Mar 4, 1921 – Jun 22, 1925 | Republican (NPL) | Edwin F. Ladd | 7 |
| 4 | Lynn Frazier | Republican (NPL) | Mar 4, 1923 – Jan 3, 1941 | Elected in 1922. | 7 | 68th | 7 | Elected in 1920.Died. | Mar 4, 1921 – Jun 22, 1925 | Republican (NPL) | Edwin F. Ladd | 7 |
| 4 | Lynn Frazier | Republican (NPL) | Mar 4, 1923 – Jan 3, 1941 | Elected in 1922. | 7 | 69th | 7 | Elected in 1920.Died. | Mar 4, 1921 – Jun 22, 1925 | Republican (NPL) | Edwin F. Ladd | 7 |
| 4 | Lynn Frazier | Republican (NPL) | Mar 4, 1923 – Jan 3, 1941 | Elected in 1922. | 7 | 69th | 7 | | Jun 22, 1925 – Nov 14, 1925 | Vacant | Vacant | Vacant |
| 4 | Lynn Frazier | Republican (NPL) | Mar 4, 1923 – Jan 3, 1941 | Elected in 1922. | 7 | 69th | 7 | Appointed to continue Ladd's term.Elected in 1926 to finish Ladd's term. | Nov 14, 1925 – Jan 3, 1945 | Nonpartisan League | Gerald Nye | 8 |
| 4 | Lynn Frazier | Republican (NPL) | Mar 4, 1923 – Jan 3, 1941 | Elected in 1922. | 7 | 70th | 8 | Re-elected in 1926. | Nov 14, 1925 – Jan 3, 1945 | Republican (NPL) | Gerald Nye | 8 |
| 4 | Lynn Frazier | Republican (NPL) | Mar 4, 1923 – Jan 3, 1941 | Re-elected in 1928. | 8 | 71st | 8 | Re-elected in 1926. | Nov 14, 1925 – Jan 3, 1945 | Republican (NPL) | Gerald Nye | 8 |
| 4 | Lynn Frazier | Republican (NPL) | Mar 4, 1923 – Jan 3, 1941 | Re-elected in 1928. | 8 | 72nd | 8 | Re-elected in 1926. | Nov 14, 1925 – Jan 3, 1945 | Republican (NPL) | Gerald Nye | 8 |
| 4 | Lynn Frazier | Republican (NPL) | Mar 4, 1923 – Jan 3, 1941 | Re-elected in 1928. | 8 | 73rd | 9 | Re-elected in 1932. | Nov 14, 1925 – Jan 3, 1945 | Republican (NPL) | Gerald Nye | 8 |
| 4 | Lynn Frazier | Republican (NPL) | Mar 4, 1923 – Jan 3, 1941 | Re-elected in 1934.Lost renomination. | 9 | 74th | 9 | Re-elected in 1932. | Nov 14, 1925 – Jan 3, 1945 | Republican (NPL) | Gerald Nye | 8 |
| 4 | Lynn Frazier | Republican (NPL) | Mar 4, 1923 – Jan 3, 1941 | Re-elected in 1934.Lost renomination. | 9 | 75th | 9 | Re-elected in 1932. | Nov 14, 1925 – Jan 3, 1945 | Republican (NPL) | Gerald Nye | 8 |
| 4 | Lynn Frazier | Republican (NPL) | Mar 4, 1923 – Jan 3, 1941 | Re-elected in 1934.Lost renomination. | 9 | 76th | 10 | Re-elected in 1938.Lost re-election. | Nov 14, 1925 – Jan 3, 1945 | Republican | Gerald Nye | 8 |
| 5 | William Langer | Republican (NPL) | Jan 3, 1941 – Nov 8, 1959 | Elected in 1940. | 10 | 77th | 10 | Re-elected in 1938.Lost re-election. | Nov 14, 1925 – Jan 3, 1945 | Republican | Gerald Nye | 8 |
| 5 | William Langer | Republican (NPL) | Jan 3, 1941 – Nov 8, 1959 | Elected in 1940. | 10 | 78th | 10 | Re-elected in 1938.Lost re-election. | Nov 14, 1925 – Jan 3, 1945 | Republican | Gerald Nye | 8 |
| 5 | William Langer | Republican (NPL) | Jan 3, 1941 – Nov 8, 1959 | Elected in 1940. | 10 | 79th | 11 | Elected in 1944.Died. | Jan 3, 1945 – Mar 3, 1945 | Democratic | John Moses | 9 |
| 5 | William Langer | Republican (NPL) | Jan 3, 1941 – Nov 8, 1959 | Elected in 1940. | 10 | 79th | 11 | | Mar 3, 1945 – Mar 12, 1945 | Vacant | Vacant | Vacant |
| 5 | William Langer | Republican (NPL) | Jan 3, 1941 – Nov 8, 1959 | Elected in 1940. | 10 | 79th | 11 | Appointed to continue Moses's term.Elected in 1946 to finish Moses's term. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 5 | William Langer | Republican (NPL) | Jan 3, 1941 – Nov 8, 1959 | Re-elected in 1946. | 11 | 80th | 11 | Appointed to continue Moses's term.Elected in 1946 to finish Moses's term. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 5 | William Langer | Republican (NPL) | Jan 3, 1941 – Nov 8, 1959 | Re-elected in 1946. | 11 | 81st | 11 | Appointed to continue Moses's term.Elected in 1946 to finish Moses's term. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 5 | William Langer | Republican (NPL) | Jan 3, 1941 – Nov 8, 1959 | Re-elected in 1946. | 11 | 82nd | 12 | Re-elected in 1950. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 5 | William Langer | Republican (NPL) | Jan 3, 1941 – Nov 8, 1959 | Re-elected in 1952. | 12 | 83rd | 12 | Re-elected in 1950. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 5 | William Langer | Republican (NPL) | Jan 3, 1941 – Nov 8, 1959 | Re-elected in 1952. | 12 | 84th | 12 | Re-elected in 1950. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 5 | William Langer | Republican (NPL) | Jan 3, 1941 – Nov 8, 1959 | Re-elected in 1952. | 12 | 85th | 13 | Re-elected in 1956. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 5 | William Langer | Republican (NPL) | Jan 3, 1941 – Nov 8, 1959 | Re-elected in 1958.Died. | 13 | 86th | 13 | Re-elected in 1956. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| Vacant | Vacant | Vacant | Nov 8, 1959 – Nov 19, 1959 | | 13 | 86th | 13 | Re-elected in 1956. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 6 | Norman Brunsdale | Republican | Nov 19, 1959 – Aug 7, 1960 | Appointed to continue Langer's term.Retired when successor elected. | 13 | 86th | 13 | Re-elected in 1956. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 7 | Quentin Burdick | Democratic –NPL | Aug 8, 1960 – Sep 8, 1992 | Elected to finish Langer's term. | 13 | 86th | 13 | Re-elected in 1956. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 7 | Quentin Burdick | Democratic –NPL | Aug 8, 1960 – Sep 8, 1992 | Elected to finish Langer's term. | 13 | 87th | 13 | Re-elected in 1956. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 7 | Quentin Burdick | Democratic –NPL | Aug 8, 1960 – Sep 8, 1992 | Elected to finish Langer's term. | 13 | 88th | 14 | Re-elected in 1962. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 7 | Quentin Burdick | Democratic –NPL | Aug 8, 1960 – Sep 8, 1992 | Re-elected in 1964. | 14 | 89th | 14 | Re-elected in 1962. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 7 | Quentin Burdick | Democratic –NPL | Aug 8, 1960 – Sep 8, 1992 | Re-elected in 1964. | 14 | 90th | 14 | Re-elected in 1962. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 7 | Quentin Burdick | Democratic –NPL | Aug 8, 1960 – Sep 8, 1992 | Re-elected in 1964. | 14 | 91st | 15 | Re-elected in 1968. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 7 | Quentin Burdick | Democratic –NPL | Aug 8, 1960 – Sep 8, 1992 | Re-elected in 1970. | 15 | 92nd | 15 | Re-elected in 1968. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 7 | Quentin Burdick | Democratic –NPL | Aug 8, 1960 – Sep 8, 1992 | Re-elected in 1970. | 15 | 93rd | 15 | Re-elected in 1968. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 7 | Quentin Burdick | Democratic –NPL | Aug 8, 1960 – Sep 8, 1992 | Re-elected in 1970. | 15 | 94th | 16 | Re-elected in 1974.Retired. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 7 | Quentin Burdick | Democratic –NPL | Aug 8, 1960 – Sep 8, 1992 | Re-elected in 1976. | 16 | 95th | 16 | Re-elected in 1974.Retired. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 7 | Quentin Burdick | Democratic –NPL | Aug 8, 1960 – Sep 8, 1992 | Re-elected in 1976. | 16 | 96th | 16 | Re-elected in 1974.Retired. | Mar 12, 1945 – Jan 3, 1981 | Republican | Milton Young | 10 |
| 7 | Quentin Burdick | Democratic –NPL | Aug 8, 1960 – Sep 8, 1992 | Re-elected in 1976. | 16 | 97th | 17 | Elected in 1980.Lost re-election. | Jan 3, 1981 – Jan 3, 1987 | Republican | Mark Andrews | 11 |
| 7 | Quentin Burdick | Democratic –NPL | Aug 8, 1960 – Sep 8, 1992 | Re-elected in 1982. | 17 | 98th | 17 | Elected in 1980.Lost re-election. | Jan 3, 1981 – Jan 3, 1987 | Republican | Mark Andrews | 11 |
| 7 | Quentin Burdick | Democratic –NPL | Aug 8, 1960 – Sep 8, 1992 | Re-elected in 1982. | 17 | 99th | 17 | Elected in 1980.Lost re-election. | Jan 3, 1981 – Jan 3, 1987 | Republican | Mark Andrews | 11 |
| 7 | Quentin Burdick | Democratic –NPL | Aug 8, 1960 – Sep 8, 1992 | Re-elected in 1982. | 17 | 100th | 18 | Elected in 1986.Retired, then resigned early when elected to the other Senate seat. | Jan 3, 1987 – Dec 14, 1992 | Democratic –NPL | Kent Conrad | 12 |
| 7 | Quentin Burdick | Democratic –NPL | Aug 8, 1960 – Sep 8, 1992 | Re-elected in 1988.Died. | 18 | 101st | 18 | Elected in 1986.Retired, then resigned early when elected to the other Senate seat. | Jan 3, 1987 – Dec 14, 1992 | Democratic –NPL | Kent Conrad | 12 |
| 7 | Quentin Burdick | Democratic –NPL | Aug 8, 1960 – Sep 8, 1992 | Re-elected in 1988.Died. | 18 | 102nd | 18 | Elected in 1986.Retired, then resigned early when elected to the other Senate seat. | Jan 3, 1987 – Dec 14, 1992 | Democratic –NPL | Kent Conrad | 12 |
| Vacant | Vacant | Vacant | Sep 8, 1992 – Sep 12, 1992 | | 18 | 102nd | 18 | Elected in 1986.Retired, then resigned early when elected to the other Senate seat. | Jan 3, 1987 – Dec 14, 1992 | Democratic –NPL | Kent Conrad | 12 |
| 8 | Jocelyn Burdick | Democratic –NPL | Sep 12, 1992 – Dec 14, 1992 | Appointed to continue her husband's term.Retired when successor elected. | 18 | 102nd | 18 | Elected in 1986.Retired, then resigned early when elected to the other Senate seat. | Jan 3, 1987 – Dec 14, 1992 | Democratic –NPL | Kent Conrad | 12 |
| 9 | Kent Conrad | Democratic –NPL | Dec 14, 1992 – Jan 3, 2013 | Elected to finish Quentin Burdick's term. | 18 | 102nd | 18 | Appointed to finish Conrad's term, having already been elected to the next term. | Dec 15, 1992 – Jan 3, 2011 | Democratic –NPL | Byron Dorgan | 13 |
| 9 | Kent Conrad | Democratic –NPL | Dec 14, 1992 – Jan 3, 2013 | Elected to finish Quentin Burdick's term. | 18 | 103rd | 19 | Elected in 1992. | Dec 15, 1992 – Jan 3, 2011 | Democratic –NPL | Byron Dorgan | 13 |
| 9 | Kent Conrad | Democratic –NPL | Dec 14, 1992 – Jan 3, 2013 | Re-elected in 1994. | 19 | 104th | 19 | Elected in 1992. | Dec 15, 1992 – Jan 3, 2011 | Democratic –NPL | Byron Dorgan | 13 |
| 9 | Kent Conrad | Democratic –NPL | Dec 14, 1992 – Jan 3, 2013 | Re-elected in 1994. | 19 | 105th | 19 | Elected in 1992. | Dec 15, 1992 – Jan 3, 2011 | Democratic –NPL | Byron Dorgan | 13 |
| 9 | Kent Conrad | Democratic –NPL | Dec 14, 1992 – Jan 3, 2013 | Re-elected in 1994. | 19 | 106th | 20 | Re-elected in 1998. | Dec 15, 1992 – Jan 3, 2011 | Democratic –NPL | Byron Dorgan | 13 |
| 9 | Kent Conrad | Democratic –NPL | Dec 14, 1992 – Jan 3, 2013 | Re-elected in 2000. | 20 | 107th | 20 | Re-elected in 1998. | Dec 15, 1992 – Jan 3, 2011 | Democratic –NPL | Byron Dorgan | 13 |
| 9 | Kent Conrad | Democratic –NPL | Dec 14, 1992 – Jan 3, 2013 | Re-elected in 2000. | 20 | 108th | 20 | Re-elected in 1998. | Dec 15, 1992 – Jan 3, 2011 | Democratic –NPL | Byron Dorgan | 13 |
| 9 | Kent Conrad | Democratic –NPL | Dec 14, 1992 – Jan 3, 2013 | Re-elected in 2000. | 20 | 109th | 21 | Re-elected in 2004.Retired. | Dec 15, 1992 – Jan 3, 2011 | Democratic –NPL | Byron Dorgan | 13 |
| 9 | Kent Conrad | Democratic –NPL | Dec 14, 1992 – Jan 3, 2013 | Re-elected in 2006.Retired. | 21 | 110th | 21 | Re-elected in 2004.Retired. | Dec 15, 1992 – Jan 3, 2011 | Democratic –NPL | Byron Dorgan | 13 |
| 9 | Kent Conrad | Democratic –NPL | Dec 14, 1992 – Jan 3, 2013 | Re-elected in 2006.Retired. | 21 | 111th | 21 | Re-elected in 2004.Retired. | Dec 15, 1992 – Jan 3, 2011 | Democratic –NPL | Byron Dorgan | 13 |
| 9 | Kent Conrad | Democratic –NPL | Dec 14, 1992 – Jan 3, 2013 | Re-elected in 2006.Retired. | 21 | 112th | 22 | Elected in 2010. | Jan 3, 2011 – present | Republican | John Hoeven | 14 |
| 10 | Heidi Heitkamp | Democratic –NPL | Jan 3, 2013 – Jan 3, 2019 | Elected in 2012.Lost re-election. | 22 | 113th | 22 | Elected in 2010. | Jan 3, 2011 – present | Republican | John Hoeven | 14 |
| 10 | Heidi Heitkamp | Democratic –NPL | Jan 3, 2013 – Jan 3, 2019 | Elected in 2012.Lost re-election. | 22 | 114th | 22 | Elected in 2010. | Jan 3, 2011 – present | Republican | John Hoeven | 14 |
| 10 | Heidi Heitkamp | Democratic –NPL | Jan 3, 2013 – Jan 3, 2019 | Elected in 2012.Lost re-election. | 22 | 115th | 23 | Re-elected in 2016. | Jan 3, 2011 – present | Republican | John Hoeven | 14 |
| 11 | Kevin Cramer | Republican | Jan 3, 2019 – present | Elected in 2018. | 23 | 116th | 23 | Re-elected in 2016. | Jan 3, 2011 – present | Republican | John Hoeven | 14 |
| 11 | Kevin Cramer | Republican | Jan 3, 2019 – present | Elected in 2018. | 23 | 117th | 23 | Re-elected in 2016. | Jan 3, 2011 – present | Republican | John Hoeven | 14 |
| 11 | Kevin Cramer | Republican | Jan 3, 2019 – present | Elected in 2018. | 23 | 118th | 24 | Re-elected in 2022. | Jan 3, 2011 – present | Republican | John Hoeven | 14 |
| 11 | Kevin Cramer | Republican | Jan 3, 2019 – present | Re-elected in 2024. | 24 | 119th | 24 | Re-elected in 2022. | Jan 3, 2011 – present | Republican | John Hoeven | 14 |
| 11 | Kevin Cramer | Republican | Jan 3, 2019 – present | Re-elected in 2024. | 24 | 120th | 24 | Re-elected in 2022. | Jan 3, 2011 – present | Republican | John Hoeven | 14 |
| 11 | Kevin Cramer | Republican | Jan 3, 2019 – present | Re-elected in 2024. | 24 | 121st | 25 | To be determined in the 2028 election. | To be determined in the 2028 election. | To be determined in the 2028 election. | To be determined in the 2028 election. | To be determined in the 2028 election. |
| # | Senator | Party | Years in office | Electoral history | T | C | T | Electoral history | Years in office | Party | Senator | # |
| Class 1 | Class 1 | Class 1 | Class 1 | Class 1 | Class 1 | C | Class 3 | Class 3 | Class 3 | Class 3 | Class 3 | Class 3 |