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
|- style="height:2em" | colspan=3 | Vacant | nowrap | 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. | rowspan=4 | 1 | rowspan=2 | rowspan=2 | 1 | New Mexico became a state January 6, 1912, but didn't elect its U.S. senators until March 27. | nowrap | Jan 6, 1912 –Mar 27, 1912 | colspan=3 | Vacant
|- style="height:2em" ! rowspan=3 | 1 | rowspan=3 align=left | Thomas B. Catron | rowspan=3 | Republican | rowspan=3 nowrap | Mar 27, 1912 –Mar 3, 1917 | rowspan=3 | Elected in 1912.Retired. | Elected in 1912. | rowspan=5 nowrap | Mar 27, 1912 –Mar 3, 1921 | rowspan=5 | Republican | rowspan=5 align=right | Albert B. Fall ! rowspan=5 | 1
|- style="height:2em" | | rowspan=3 | 2 | rowspan=3 | Elected in 1912 to next term, but Legislature invalided that election.Re-elected in 1913 to next term.
|- style="height:2em"
|- style="height:2em" ! rowspan=7 | 2 | rowspan=7 align=left | Andrieus A. Jones | rowspan=7 | Democratic | rowspan=7 nowrap | Mar 4, 1917 –Dec 20, 1927 | rowspan=4 | Elected in 1916. | rowspan=4 | 2
|- style="height:2em" | | rowspan=4 | 3 | Re-elected in 1918.Resigned to become U.S. Secretary of the Interior.
|- style="height:2em" | rowspan=2
| nowrap | Mar 4, 1921 –Mar 11, 1921 | colspan=3 | Vacant
|- style="height:2em" | rowspan=2 | Appointed to continue Fall's term.Elected in 1921 to finish Fall's term.Lost re-election. | rowspan=2 nowrap | Mar 11, 1921 –Mar 3, 1925 | rowspan=2 | Republican | rowspan=2 align=right | Holm O. Bursum ! rowspan=2 | 2
|- style="height:2em" | rowspan=3 | Re-elected in 1922.Died. | rowspan=6 | 3
|- style="height:2em" | | rowspan=6 | 4 | rowspan=6 | Elected in 1924. | rowspan=8 nowrap | Mar 4, 1925 –Jun 24, 1933 | rowspan=8 | Democratic | rowspan=8 align=right | Sam G. Bratton ! rowspan=8 | 3
|- style="height:2em" | rowspan=4
|- style="height:2em" | colspan=3 | Vacant | nowrap | Dec 20, 1927 –Dec 29, 1927
|- style="height:2em" ! 3 | align=left | Bronson M. Cutting | | Republican | nowrap | Dec 29, 1927 –Dec 6, 1928 | Appointed to continue Jones's term.Retired when elected successor qualified.
|- style="height:2em" ! 4 | align=left | Octaviano Larrazolo | | Republican | nowrap | Dec 7, 1928 –Mar 3, 1929 | Elected in 1928 to finish Jones's term.Retired due to illness.
|- style="height:2em" ! rowspan=6 | 5 | rowspan=6 align=left | Bronson M. Cutting | rowspan=6 | Republican | rowspan=6 nowrap | Mar 4, 1929 –May 6, 1935 | rowspan=5 | Elected in 1928. | rowspan=5 | 4
|- style="height:2em" | | rowspan=7 | 5 | rowspan=2 | Re-elected in 1930.Resigned to become a judge of the U.S. Court of Appeals.
|- style="height:2em" | rowspan=3
|- style="height:2em"
| nowrap | Jun 24, 1933 –Oct 10, 1933 | colspan=3 | Vacant
|- style="height:2em" | rowspan=4 | Appointed to continue Bratton's termElected in 1934 to finish Bratton's term. | rowspan=10 nowrap | Oct 10, 1933 –Jan 3, 1949 | rowspan=10 | Democratic | rowspan=10 align=right | Carl Hatch ! rowspan=10 | 4
|- style="height:2em" | Re-elected in 1934.Died. | rowspan=5 | 5 | rowspan=3
|- style="height:2em" | colspan=3 | Vacant | nowrap | May 6, 1935 –May 11, 1935
|- style="height:2em" ! rowspan=14 | 6 | rowspan=14 align=left | Dennis Chávez | rowspan=14 | Democratic | rowspan=14 nowrap | May 11, 1935 –Nov 18, 1962 | rowspan=3 | Appointed to continue Cutting's term.Elected in 1936 to finish Cutting's term.
|- style="height:2em" | | rowspan=3 | 6 | rowspan=3 | Re-elected in 1936.
|- style="height:2em"
|- style="height:2em" | rowspan=3 | Re-elected in 1940. | rowspan=3 | 6
|- style="height:2em" | | rowspan=3 | 7 | rowspan=3 | Re-elected in 1942.Retired.
|- style="height:2em"
|- style="height:2em" | rowspan=3 | Re-elected in 1946. | rowspan=3 | 7
|- style="height:2em" | | rowspan=3 | 8 | rowspan=3 | Elected in 1948. | rowspan=15 nowrap | Jan 3, 1949 –Jan 3, 1973 | rowspan=15 | Democratic | rowspan=15 align=right | Clinton Anderson ! rowspan=15 | 5
|- style="height:2em"
|- style="height:2em" | rowspan=3 | Re-elected in 1952. | rowspan=3 | 8
|- style="height:2em" | | rowspan=3 | 9 | rowspan=3 | Re-elected in 1954.
|- style="height:2em"
|- style="height:2em" | rowspan=2 | Re-elected in 1958.Died. | rowspan=6 | 9
|- style="height:2em" | rowspan=3 | rowspan=6 | 10 | rowspan=6 | Re-elected in 1960.
|- style="height:2em" | colspan=3 | Vacant | nowrap | Nov 18, 1962 –Nov 30, 1962
|- style="height:2em" ! rowspan=2 | 7 | rowspan=2 align=left | Edwin L. Mechem | rowspan=2 | Republican | rowspan=2 nowrap | Nov 30, 1962 –Nov 3, 1964 | rowspan=2 | Appointed to continue Chávez's term.Lost election to finish term.
|- style="height:2em" | rowspan=2
|- style="height:2em" ! rowspan=7 | 8 | rowspan=7 align=left | Joseph Montoya | rowspan=7 | Democratic | rowspan=7 nowrap | Nov 4, 1964 –Jan 3, 1977 | Elected in 1964 to finish Chávez's term.
|- style="height:2em" | rowspan=3 | Elected to full term in 1964. | rowspan=3 | 10
|- style="height:2em" | | rowspan=3 | 11 | rowspan=3 | Re-elected in 1966.Retired.
|- style="height:2em"
|- style="height:2em" | rowspan=3 | Re-elected in 1970.Lost re-election. | rowspan=3 | 11
|- style="height:2em" | | rowspan=3 | 12 | rowspan=3 | Elected in 1972. | rowspan=18 nowrap | Jan 3, 1973 –Jan 3, 2009 | rowspan=18 | Republican | rowspan=18 align=right | Pete Domenici ! rowspan=18 | 6
|- style="height:2em"
|- style="height:2em" ! rowspan=3 | 9 | rowspan=3 align=left | Harrison Schmitt | rowspan=3 | Republican | rowspan=3 nowrap | Jan 3, 1977 –Jan 3, 1983 | rowspan=3 | Elected in 1976.Lost re-election. | rowspan=3 | 12
|- style="height:2em" | | rowspan=3 | 13 | rowspan=3 | Re-elected in 1978.
|- style="height:2em"
|- style="height:2em" ! rowspan=15 | 10 | rowspan=15 align=left | Jeff Bingaman | rowspan=15 | Democratic | rowspan=15 nowrap | Jan 3, 1983 –Jan 3, 2013 | rowspan=3 | Elected in 1982. | rowspan=3 | 13
|- style="height:2em" | | rowspan=3 | 14 | rowspan=3 | Re-elected in 1984.
|- style="height:2em"
|- style="height:2em" | rowspan=3 | Re-elected in 1988. | rowspan=3 | 14
|- style="height:2em" | | rowspan=3 | 15 | rowspan=3 | Re-elected in 1990.
|- style="height:2em"
|- style="height:2em" | rowspan=3 | Re-elected in 1994. | rowspan=3 | 15
|- style="height:2em" | | rowspan=3 | 16 | rowspan=3 | Re-elected in 1996.
|- style="height:2em"
|- style="height:2em" | rowspan=3 | Re-elected in 2000. | rowspan=3 | 16
|- style="height:2em" | | rowspan=3 | 17 | rowspan=3 | Re-elected in 2002.Retired.
|- style="height:2em"
|- style="height:2em" | rowspan=3 | Re-elected in 2006.Retired. | rowspan=3 | 17
|- style="height:2em" | | rowspan=3 | 18 | rowspan=3 | Elected in 2008. | rowspan=6 nowrap | Jan 3, 2009 –Jan 3, 2021 | rowspan=6 | Democratic | rowspan=6 align=right | Tom Udall ! rowspan=6 | 7
|- style="height:2em"
|- style="height:2em" ! rowspan=9 | 11 | rowspan=9 align=left | Martin Heinrich | rowspan=9 | Democratic | rowspan=9 nowrap | Jan 3, 2013 –present | rowspan=3 | Elected in 2012. | rowspan=3 | 18
|- style="height:2em" | | rowspan=3 | 19 | rowspan=3 | Re-elected in 2014.Retired.
|- style="height:2em"
|- style="height:2em" | rowspan=3 | Re-elected in 2018. | rowspan=3 | 19
|- style="height:2em" | | rowspan=3 | 20 | rowspan=3 | Elected in 2020. | rowspan=3 nowrap | Jan 3, 2021 –present | rowspan=3 | Democratic | rowspan=3 align=right | Ben Ray Luján ! rowspan=3 | 8
|- style="height:2em"
|- style="height:2em" | rowspan=3| Re-elected in 2024. | rowspan=3|20
|- style="height:2em" | | rowspan=3 |21 | rowspan=3 colspan=5 | To be determined in the 2026 election.
|- style="height:2em"
|- style="height:2em" | colspan=5 | To be determined in the 2030 election. | 21
See also
Elections in New Mexico List of United States representatives from New Mexico New Mexico's congressional delegations
Notes
References Biographical Directory of the United States Congress