# List of United States senators from New Mexico

New Mexico was admitted to the Union on January 6, 1912 and elects members of the United States Senate who belong to class 1 and class 2. The state's current U.S. senators are Democrats Martin Heinrich (since 2013) and Ben Ray Luján (since 2021). Pete Domenici was New Mexico's longest-serving senator (1973–2009).

## List of senators

| Class 1Class 1 U.S. 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 U.S. 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 U.S. 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 U.S. 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 U.S. 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 U.S. 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 2Class 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. | Class 2Class 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. | Class 2Class 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. | Class 2Class 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. | Class 2Class 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. | Class 2Class 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. |
| # | Senator | Party | Dates in office | Electoral history | T | C | T | Electoral history | Dates in office | Party | Senator | # |
| Vacant | Vacant | Vacant | Jan 6, 1912 – Mar 27, 1912 | New Mexico became a state January 6, 1912, but didn't elect its U.S. senators until March 27. | 1 | 62nd | 1 | New Mexico became a state January 6, 1912, but didn't elect its U.S. senators until March 27. | Jan 6, 1912 – Mar 27, 1912 | Vacant | Vacant | Vacant |
| 1 | Thomas B. Catron | Republican | Mar 27, 1912 – Mar 3, 1917 | Elected in 1912.Retired. | 1 | 62nd | 1 | Elected in 1912. | Mar 27, 1912 – Mar 3, 1921 | Republican | Albert B. Fall | 1 |
| 1 | Thomas B. Catron | Republican | Mar 27, 1912 – Mar 3, 1917 | Elected in 1912.Retired. | 1 | 63rd | 2 | Elected in 1912 to next term, but Legislature invalided that election.Re-elected in 1913 to next term. | Mar 27, 1912 – Mar 3, 1921 | Republican | Albert B. Fall | 1 |
| 1 | Thomas B. Catron | Republican | Mar 27, 1912 – Mar 3, 1917 | Elected in 1912.Retired. | 1 | 64th | 2 | Elected in 1912 to next term, but Legislature invalided that election.Re-elected in 1913 to next term. | Mar 27, 1912 – Mar 3, 1921 | Republican | Albert B. Fall | 1 |
| 2 | Andrieus A. Jones | Democratic | Mar 4, 1917 – Dec 20, 1927 | Elected in 1916. | 2 | 65th | 2 | Elected in 1912 to next term, but Legislature invalided that election.Re-elected in 1913 to next term. | Mar 27, 1912 – Mar 3, 1921 | Republican | Albert B. Fall | 1 |
| 2 | Andrieus A. Jones | Democratic | Mar 4, 1917 – Dec 20, 1927 | Elected in 1916. | 2 | 66th | 3 | Re-elected in 1918.Resigned to become U.S. Secretary of the Interior. | Mar 27, 1912 – Mar 3, 1921 | Republican | Albert B. Fall | 1 |
| 2 | Andrieus A. Jones | Democratic | Mar 4, 1917 – Dec 20, 1927 | Elected in 1916. | 2 | 67th | 3 | | Mar 4, 1921 – Mar 11, 1921 | Vacant | Vacant | Vacant |
| 2 | Andrieus A. Jones | Democratic | Mar 4, 1917 – Dec 20, 1927 | Elected in 1916. | 2 | 67th | 3 | Appointed to continue Fall's term.Elected in 1921 to finish Fall's term.Lost re-election. | Mar 11, 1921 – Mar 3, 1925 | Republican | Holm O. Bursum | 2 |
| 2 | Andrieus A. Jones | Democratic | Mar 4, 1917 – Dec 20, 1927 | Re-elected in 1922.Died. | 3 | 68th | 3 | Appointed to continue Fall's term.Elected in 1921 to finish Fall's term.Lost re-election. | Mar 11, 1921 – Mar 3, 1925 | Republican | Holm O. Bursum | 2 |
| 2 | Andrieus A. Jones | Democratic | Mar 4, 1917 – Dec 20, 1927 | Re-elected in 1922.Died. | 3 | 69th | 4 | Elected in 1924. | Mar 4, 1925 – Jun 24, 1933 | Democratic | Sam G. Bratton | 3 |
| 2 | Andrieus A. Jones | Democratic | Mar 4, 1917 – Dec 20, 1927 | Re-elected in 1922.Died. | 3 | 70th | 4 | Elected in 1924. | Mar 4, 1925 – Jun 24, 1933 | Democratic | Sam G. Bratton | 3 |
| Vacant | Vacant | Vacant | Dec 20, 1927 – Dec 29, 1927 | | 3 | 70th | 4 | Elected in 1924. | Mar 4, 1925 – Jun 24, 1933 | Democratic | Sam G. Bratton | 3 |
| 3 | Bronson M. Cutting | Republican | Dec 29, 1927 – Dec 6, 1928 | Appointed to continue Jones's term.Retired when elected successor qualified. | 3 | 70th | 4 | Elected in 1924. | Mar 4, 1925 – Jun 24, 1933 | Democratic | Sam G. Bratton | 3 |
| 4 | Octaviano Larrazolo | Republican | Dec 7, 1928 – Mar 3, 1929 | Elected in 1928 to finish Jones's term.Retired due to illness. | 3 | 70th | 4 | Elected in 1924. | Mar 4, 1925 – Jun 24, 1933 | Democratic | Sam G. Bratton | 3 |
| 5 | Bronson M. Cutting | Republican | Mar 4, 1929 – May 6, 1935 | Elected in 1928. | 4 | 71st | 4 | Elected in 1924. | Mar 4, 1925 – Jun 24, 1933 | Democratic | Sam G. Bratton | 3 |
| 5 | Bronson M. Cutting | Republican | Mar 4, 1929 – May 6, 1935 | Elected in 1928. | 4 | 72nd | 5 | Re-elected in 1930.Resigned to become a judge of the U.S. Court of Appeals. | Mar 4, 1925 – Jun 24, 1933 | Democratic | Sam G. Bratton | 3 |
| 5 | Bronson M. Cutting | Republican | Mar 4, 1929 – May 6, 1935 | Elected in 1928. | 4 | 73rd | 5 | Re-elected in 1930.Resigned to become a judge of the U.S. Court of Appeals. | Mar 4, 1925 – Jun 24, 1933 | Democratic | Sam G. Bratton | 3 |
| 5 | Bronson M. Cutting | Republican | Mar 4, 1929 – May 6, 1935 | Elected in 1928. | 4 | 73rd | 5 | | Jun 24, 1933 – Oct 10, 1933 | Vacant | Vacant | Vacant |
| 5 | Bronson M. Cutting | Republican | Mar 4, 1929 – May 6, 1935 | Elected in 1928. | 4 | 73rd | 5 | Appointed to continue Bratton's termElected in 1934 to finish Bratton's term. | Oct 10, 1933 – Jan 3, 1949 | Democratic | Carl Hatch | 4 |
| 5 | Bronson M. Cutting | Republican | Mar 4, 1929 – May 6, 1935 | Re-elected in 1934.Died. | 5 | 74th | 5 | Appointed to continue Bratton's termElected in 1934 to finish Bratton's term. | Oct 10, 1933 – Jan 3, 1949 | Democratic | Carl Hatch | 4 |
| Vacant | Vacant | Vacant | May 6, 1935 – May 11, 1935 | | 5 | 74th | 5 | Appointed to continue Bratton's termElected in 1934 to finish Bratton's term. | Oct 10, 1933 – Jan 3, 1949 | Democratic | Carl Hatch | 4 |
| 6 | Dennis Chávez | Democratic | May 11, 1935 – Nov 18, 1962 | Appointed to continue Cutting's term.Elected in 1936 to finish Cutting's term. | 5 | 74th | 5 | Appointed to continue Bratton's termElected in 1934 to finish Bratton's term. | Oct 10, 1933 – Jan 3, 1949 | Democratic | Carl Hatch | 4 |
| 6 | Dennis Chávez | Democratic | May 11, 1935 – Nov 18, 1962 | Appointed to continue Cutting's term.Elected in 1936 to finish Cutting's term. | 5 | 75th | 6 | Re-elected in 1936. | Oct 10, 1933 – Jan 3, 1949 | Democratic | Carl Hatch | 4 |
| 6 | Dennis Chávez | Democratic | May 11, 1935 – Nov 18, 1962 | Appointed to continue Cutting's term.Elected in 1936 to finish Cutting's term. | 5 | 76th | 6 | Re-elected in 1936. | Oct 10, 1933 – Jan 3, 1949 | Democratic | Carl Hatch | 4 |
| 6 | Dennis Chávez | Democratic | May 11, 1935 – Nov 18, 1962 | Re-elected in 1940. | 6 | 77th | 6 | Re-elected in 1936. | Oct 10, 1933 – Jan 3, 1949 | Democratic | Carl Hatch | 4 |
| 6 | Dennis Chávez | Democratic | May 11, 1935 – Nov 18, 1962 | Re-elected in 1940. | 6 | 78th | 7 | Re-elected in 1942.Retired. | Oct 10, 1933 – Jan 3, 1949 | Democratic | Carl Hatch | 4 |
| 6 | Dennis Chávez | Democratic | May 11, 1935 – Nov 18, 1962 | Re-elected in 1940. | 6 | 79th | 7 | Re-elected in 1942.Retired. | Oct 10, 1933 – Jan 3, 1949 | Democratic | Carl Hatch | 4 |
| 6 | Dennis Chávez | Democratic | May 11, 1935 – Nov 18, 1962 | Re-elected in 1946. | 7 | 80th | 7 | Re-elected in 1942.Retired. | Oct 10, 1933 – Jan 3, 1949 | Democratic | Carl Hatch | 4 |
| 6 | Dennis Chávez | Democratic | May 11, 1935 – Nov 18, 1962 | Re-elected in 1946. | 7 | 81st | 8 | Elected in 1948. | Jan 3, 1949 – Jan 3, 1973 | Democratic | Clinton Anderson | 5 |
| 6 | Dennis Chávez | Democratic | May 11, 1935 – Nov 18, 1962 | Re-elected in 1946. | 7 | 82nd | 8 | Elected in 1948. | Jan 3, 1949 – Jan 3, 1973 | Democratic | Clinton Anderson | 5 |
| 6 | Dennis Chávez | Democratic | May 11, 1935 – Nov 18, 1962 | Re-elected in 1952. | 8 | 83rd | 8 | Elected in 1948. | Jan 3, 1949 – Jan 3, 1973 | Democratic | Clinton Anderson | 5 |
| 6 | Dennis Chávez | Democratic | May 11, 1935 – Nov 18, 1962 | Re-elected in 1952. | 8 | 84th | 9 | Re-elected in 1954. | Jan 3, 1949 – Jan 3, 1973 | Democratic | Clinton Anderson | 5 |
| 6 | Dennis Chávez | Democratic | May 11, 1935 – Nov 18, 1962 | Re-elected in 1952. | 8 | 85th | 9 | Re-elected in 1954. | Jan 3, 1949 – Jan 3, 1973 | Democratic | Clinton Anderson | 5 |
| 6 | Dennis Chávez | Democratic | May 11, 1935 – Nov 18, 1962 | Re-elected in 1958.Died. | 9 | 86th | 9 | Re-elected in 1954. | Jan 3, 1949 – Jan 3, 1973 | Democratic | Clinton Anderson | 5 |
| 6 | Dennis Chávez | Democratic | May 11, 1935 – Nov 18, 1962 | Re-elected in 1958.Died. | 9 | 87th | 10 | Re-elected in 1960. | Jan 3, 1949 – Jan 3, 1973 | Democratic | Clinton Anderson | 5 |
| Vacant | Vacant | Vacant | Nov 18, 1962 – Nov 30, 1962 | | 9 | 87th | 10 | Re-elected in 1960. | Jan 3, 1949 – Jan 3, 1973 | Democratic | Clinton Anderson | 5 |
| 7 | Edwin L. Mechem | Republican | Nov 30, 1962 – Nov 3, 1964 | Self-appointed to continue Chávez's term.Lost election to finish Chávez's term. | 9 | 87th | 10 | Re-elected in 1960. | Jan 3, 1949 – Jan 3, 1973 | Democratic | Clinton Anderson | 5 |
| 7 | Edwin L. Mechem | Republican | Nov 30, 1962 – Nov 3, 1964 | Self-appointed to continue Chávez's term.Lost election to finish Chávez's term. | 9 | 88th | 10 | Re-elected in 1960. | Jan 3, 1949 – Jan 3, 1973 | Democratic | Clinton Anderson | 5 |
| 8 | Joseph Montoya | Democratic | Nov 4, 1964 – Jan 3, 1977 | Elected in 1964 to finish Chávez's term. | 9 | 88th | 10 | Re-elected in 1960. | Jan 3, 1949 – Jan 3, 1973 | Democratic | Clinton Anderson | 5 |
| 8 | Joseph Montoya | Democratic | Nov 4, 1964 – Jan 3, 1977 | Re-elected in 1964. | 10 | 89th | 10 | Re-elected in 1960. | Jan 3, 1949 – Jan 3, 1973 | Democratic | Clinton Anderson | 5 |
| 8 | Joseph Montoya | Democratic | Nov 4, 1964 – Jan 3, 1977 | Re-elected in 1964. | 10 | 90th | 11 | Re-elected in 1966.Retired. | Jan 3, 1949 – Jan 3, 1973 | Democratic | Clinton Anderson | 5 |
| 8 | Joseph Montoya | Democratic | Nov 4, 1964 – Jan 3, 1977 | Re-elected in 1964. | 10 | 91st | 11 | Re-elected in 1966.Retired. | Jan 3, 1949 – Jan 3, 1973 | Democratic | Clinton Anderson | 5 |
| 8 | Joseph Montoya | Democratic | Nov 4, 1964 – Jan 3, 1977 | Re-elected in 1970.Lost re-election. | 11 | 92nd | 11 | Re-elected in 1966.Retired. | Jan 3, 1949 – Jan 3, 1973 | Democratic | Clinton Anderson | 5 |
| 8 | Joseph Montoya | Democratic | Nov 4, 1964 – Jan 3, 1977 | Re-elected in 1970.Lost re-election. | 11 | 93rd | 12 | Elected in 1972. | Jan 3, 1973 – Jan 3, 2009 | Republican | Pete Domenici | 6 |
| 8 | Joseph Montoya | Democratic | Nov 4, 1964 – Jan 3, 1977 | Re-elected in 1970.Lost re-election. | 11 | 94th | 12 | Elected in 1972. | Jan 3, 1973 – Jan 3, 2009 | Republican | Pete Domenici | 6 |
| 9 | Harrison Schmitt | Republican | Jan 3, 1977 – Jan 3, 1983 | Elected in 1976.Lost re-election. | 12 | 95th | 12 | Elected in 1972. | Jan 3, 1973 – Jan 3, 2009 | Republican | Pete Domenici | 6 |
| 9 | Harrison Schmitt | Republican | Jan 3, 1977 – Jan 3, 1983 | Elected in 1976.Lost re-election. | 12 | 96th | 13 | Re-elected in 1978. | Jan 3, 1973 – Jan 3, 2009 | Republican | Pete Domenici | 6 |
| 9 | Harrison Schmitt | Republican | Jan 3, 1977 – Jan 3, 1983 | Elected in 1976.Lost re-election. | 12 | 97th | 13 | Re-elected in 1978. | Jan 3, 1973 – Jan 3, 2009 | Republican | Pete Domenici | 6 |
| 10 | Jeff Bingaman | Democratic | Jan 3, 1983 – Jan 3, 2013 | Elected in 1982. | 13 | 98th | 13 | Re-elected in 1978. | Jan 3, 1973 – Jan 3, 2009 | Republican | Pete Domenici | 6 |
| 10 | Jeff Bingaman | Democratic | Jan 3, 1983 – Jan 3, 2013 | Elected in 1982. | 13 | 99th | 14 | Re-elected in 1984. | Jan 3, 1973 – Jan 3, 2009 | Republican | Pete Domenici | 6 |
| 10 | Jeff Bingaman | Democratic | Jan 3, 1983 – Jan 3, 2013 | Elected in 1982. | 13 | 100th | 14 | Re-elected in 1984. | Jan 3, 1973 – Jan 3, 2009 | Republican | Pete Domenici | 6 |
| 10 | Jeff Bingaman | Democratic | Jan 3, 1983 – Jan 3, 2013 | Re-elected in 1988. | 14 | 101st | 14 | Re-elected in 1984. | Jan 3, 1973 – Jan 3, 2009 | Republican | Pete Domenici | 6 |
| 10 | Jeff Bingaman | Democratic | Jan 3, 1983 – Jan 3, 2013 | Re-elected in 1988. | 14 | 102nd | 15 | Re-elected in 1990. | Jan 3, 1973 – Jan 3, 2009 | Republican | Pete Domenici | 6 |
| 10 | Jeff Bingaman | Democratic | Jan 3, 1983 – Jan 3, 2013 | Re-elected in 1988. | 14 | 103rd | 15 | Re-elected in 1990. | Jan 3, 1973 – Jan 3, 2009 | Republican | Pete Domenici | 6 |
| 10 | Jeff Bingaman | Democratic | Jan 3, 1983 – Jan 3, 2013 | Re-elected in 1994. | 15 | 104th | 15 | Re-elected in 1990. | Jan 3, 1973 – Jan 3, 2009 | Republican | Pete Domenici | 6 |
| 10 | Jeff Bingaman | Democratic | Jan 3, 1983 – Jan 3, 2013 | Re-elected in 1994. | 15 | 105th | 16 | Re-elected in 1996. | Jan 3, 1973 – Jan 3, 2009 | Republican | Pete Domenici | 6 |
| 10 | Jeff Bingaman | Democratic | Jan 3, 1983 – Jan 3, 2013 | Re-elected in 1994. | 15 | 106th | 16 | Re-elected in 1996. | Jan 3, 1973 – Jan 3, 2009 | Republican | Pete Domenici | 6 |
| 10 | Jeff Bingaman | Democratic | Jan 3, 1983 – Jan 3, 2013 | Re-elected in 2000. | 16 | 107th | 16 | Re-elected in 1996. | Jan 3, 1973 – Jan 3, 2009 | Republican | Pete Domenici | 6 |
| 10 | Jeff Bingaman | Democratic | Jan 3, 1983 – Jan 3, 2013 | Re-elected in 2000. | 16 | 108th | 17 | Re-elected in 2002.Retired. | Jan 3, 1973 – Jan 3, 2009 | Republican | Pete Domenici | 6 |
| 10 | Jeff Bingaman | Democratic | Jan 3, 1983 – Jan 3, 2013 | Re-elected in 2000. | 16 | 109th | 17 | Re-elected in 2002.Retired. | Jan 3, 1973 – Jan 3, 2009 | Republican | Pete Domenici | 6 |
| 10 | Jeff Bingaman | Democratic | Jan 3, 1983 – Jan 3, 2013 | Re-elected in 2006.Retired. | 17 | 110th | 17 | Re-elected in 2002.Retired. | Jan 3, 1973 – Jan 3, 2009 | Republican | Pete Domenici | 6 |
| 10 | Jeff Bingaman | Democratic | Jan 3, 1983 – Jan 3, 2013 | Re-elected in 2006.Retired. | 17 | 111th | 18 | Elected in 2008. | Jan 3, 2009 – Jan 3, 2021 | Democratic | Tom Udall | 7 |
| 10 | Jeff Bingaman | Democratic | Jan 3, 1983 – Jan 3, 2013 | Re-elected in 2006.Retired. | 17 | 112th | 18 | Elected in 2008. | Jan 3, 2009 – Jan 3, 2021 | Democratic | Tom Udall | 7 |
| 11 | Martin Heinrich | Democratic | Jan 3, 2013 – present | Elected in 2012. | 18 | 113th | 18 | Elected in 2008. | Jan 3, 2009 – Jan 3, 2021 | Democratic | Tom Udall | 7 |
| 11 | Martin Heinrich | Democratic | Jan 3, 2013 – present | Elected in 2012. | 18 | 114th | 19 | Re-elected in 2014.Retired. | Jan 3, 2009 – Jan 3, 2021 | Democratic | Tom Udall | 7 |
| 11 | Martin Heinrich | Democratic | Jan 3, 2013 – present | Elected in 2012. | 18 | 115th | 19 | Re-elected in 2014.Retired. | Jan 3, 2009 – Jan 3, 2021 | Democratic | Tom Udall | 7 |
| 11 | Martin Heinrich | Democratic | Jan 3, 2013 – present | Re-elected in 2018. | 19 | 116th | 19 | Re-elected in 2014.Retired. | Jan 3, 2009 – Jan 3, 2021 | Democratic | Tom Udall | 7 |
| 11 | Martin Heinrich | Democratic | Jan 3, 2013 – present | Re-elected in 2018. | 19 | 117th | 20 | Elected in 2020. | Jan 3, 2021 – present | Democratic | Ben Ray Luján | 8 |
| 11 | Martin Heinrich | Democratic | Jan 3, 2013 – present | Re-elected in 2018. | 19 | 118th | 20 | Elected in 2020. | Jan 3, 2021 – present | Democratic | Ben Ray Luján | 8 |
| 11 | Martin Heinrich | Democratic | Jan 3, 2013 – present | Re-elected in 2024. | 20 | 119th | 20 | Elected in 2020. | Jan 3, 2021 – present | Democratic | Ben Ray Luján | 8 |
| 11 | Martin Heinrich | Democratic | Jan 3, 2013 – present | Re-elected in 2024. | 20 | 120th | 21 | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. |
| 11 | Martin Heinrich | Democratic | Jan 3, 2013 – present | Re-elected in 2024. | 20 | 121st | 21 | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 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 2 | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 |