Below is a chronological listing of the United States senators from Idaho. The state was admitted to the Union on July 3, 1890, and its U.S. senators belong to class 2 and class 3. Idaho's current U.S. Senators are Republicans Mike Crapo (serving since 1999) and Jim Risch (serving since 2009). William Borah was Idaho's longest-serving senator (1907âÂÂ1940). Idaho is one of fourteen states alongside California, Colorado, Georgia, Hawaii, Louisiana, Maine, Massachusetts, Minnesota, Missouri, Nevada, Pennsylvania, South Dakota and Utah to have a younger senior senator and an older junior senator.
|- style="height:2em" | colspan=3 | Vacant | nowrap | Jul 3, 1890 âÂÂ<br/> Dec 18, 1890 | After joining the Union, Idaho did not elect its senators for six months. | rowspan=4 | 1 | rowspan=2 | rowspan=2 | 1 | After joining the Union, Idaho did not elect its senators for six months. | nowrap | Jul 3, 1890 âÂÂ<br/> Dec 18, 1890 | colspan=3 | Vacant
|- style="height:2em" ! rowspan=6 | 1 | rowspan=6 align=left | <br/>George Shoup<br /> | rowspan=6 | Republican | rowspan=6 nowrap | Dec 18, 1890 âÂÂ<br/>Mar 3, 1901 | rowspan=3 | Elected in 1890. | Elected in 1890.Retired. | nowrap | Dec 18, 1890 âÂÂ<br/>Mar 3, 1891 | | Republican | align=right | <br/>William McConnell<br /> ! 1
|- style="height:2em" | | rowspan=3 | 2 | rowspan=3 | Elected in 1890.Lost re-election as a Silver Republican. | rowspan=3 nowrap | Mar 4, 1891 âÂÂ<br/>Mar 3, 1897 | rowspan=3 | Republican | rowspan=3 align=right | <br/>Fred Dubois<br /> ! rowspan=3 | 2
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|- style="height:2em" | rowspan=3 | Re-elected in 1895.Lost re-election. | rowspan=3 | 2 |
|- style="height:2em" | | rowspan=4 | 3 | rowspan=4 | Elected in 1897.Retired. | rowspan=4 nowrap | Mar 4, 1897 âÂÂ<br/>Mar 3, 1903 | rowspan=4 | Populist | rowspan=4 align=right | <br/>Henry Heitfeld<br /> ! rowspan=4 | 3
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|- style="height:2em" ! rowspan=4 | 2 | rowspan=4 align=left | <br/>Fred Dubois<br /> | | Silver Republican | rowspan=4 nowrap | Mar 4, 1901 âÂÂ<br/>Mar 3, 1907 | rowspan=4 | Elected in 1901 as a Silver Republican, but changed party to Democratic.Lost re-election. | rowspan=4 | 3 | rowspan=2
|- style="height:2em" | rowspan=3 | Democratic
|- style="height:2em" | | rowspan=3 | 4 | rowspan=3 | Elected in 1903. | rowspan=5 nowrap | Mar 4, 1903 âÂÂ<br/>Oct 17, 1912 | rowspan=5 | Republican | rowspan=5 align=right | <br/>Weldon Heyburn<br /> ! rowspan=5 | 4
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|- style="height:2em" ! rowspan=25 | 3 | rowspan=25 align=left | <br/>William Borah<br /> | rowspan=25 | Republican | rowspan=25 nowrap | Mar 4, 1907 âÂÂ<br/>Jan 19, 1940 | rowspan=6 | Elected in 1907. | rowspan=6 | 4 |
|- style="height:2em" | | rowspan=6 | 5 | rowspan=2 | Re-elected in 1909.Died.
|- style="height:2em" | rowspan=4
|- style="height:2em" | | nowrap | Oct 17, 1912 âÂÂ<br/>Nov 18, 1912 | colspan=3 | Vacant
|- style="height:2em" | Appointed to continue Heyburn's term.Lost election to finish Heyburn's term. | nowrap | Nov 18, 1912 âÂÂ<br/>Feb 6, 1913 | | Democratic | align=right | <br/>Kirtland Perky<br /> ! 5
|- style="height:2em" | rowspan=2 | Elected in 1913 to finish Heyburn's term. | rowspan=4 nowrap | Feb 6, 1913 âÂÂ<br/>Jan 13, 1918 | rowspan=4 | Republican | rowspan=4 align=right | <br/>James Brady<br /> ! rowspan=4 | 6
|- style="height:2em" | rowspan=5 | Re-elected in 1913. | rowspan=5 | 5 |
|- style="height:2em" | | rowspan=6 | 6 | rowspan=2 | Re-elected in 1914.Died.
|- style="height:2em" | rowspan=3
|- style="height:2em" | | nowrap | Jan 13, 1918 âÂÂ<br/>Jan 22, 1918 | colspan=3 | Vacant
|- style="height:2em" | rowspan=2 | Appointed to continue Brady's term.Elected in 1918 to finish Brady's term.Resigned to become a Federal Trade Commissioner, having lost election to a full term. | rowspan=2 nowrap | Jan 22, 1918 âÂÂ<br/>Jan 14, 1921 | rowspan=2 | Democratic | rowspan=2 align=right | <br/>John F. Nugent<br /> ! rowspan=2 | 7
|- style="height:2em" | rowspan=4 | Re-elected in 1918 | rowspan=4 | 6 | rowspan=2
|- style="height:2em" | Appointed to finish Brady's term, having been elected to the next term. | rowspan=5 nowrap | Jan 15, 1921 âÂÂ<br/>Jun 24, 1928 | rowspan=5 | Republican | rowspan=5 align=right | <br/>Frank Gooding<br /> ! rowspan=5 | 8
|- style="height:2em" | | rowspan=3 | 7 | rowspan=3 | Elected to full term in 1920.
|- style="height:2em" |
|- style="height:2em" | rowspan=5 | Re-elected in 1924. | rowspan=5 | 7 |
|- style="height:2em" | rowspan=3 | rowspan=5 | 8 | Re-elected in 1926.Died.
|- style="height:2em" | | nowrap | Jun 24, 1928 âÂÂ<br/>Jun 30, 1928 | colspan=3 | Vacant
|- style="height:2em" | rowspan=3 | Appointed to continue Gooding's term.Elected in 1928 to finish Gooding's term.Lost re-election. | rowspan=3 nowrap | Jun 30, 1928 âÂÂ<br/>Mar 3, 1933 | rowspan=3 | Republican | rowspan=3 align=right | <br/>John Thomas<br /> ! rowspan=3 | 9
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|- style="height:2em" | rowspan=3 | Re-elected in 1930. | rowspan=3 | 8 |
|- style="height:2em" | | rowspan=3 | 9 | rowspan=3 | Elected in 1932.Lost renomination. | rowspan=3 nowrap | Mar 4, 1933 âÂÂ<br/>Jan 3, 1939 | rowspan=3 | Democratic | rowspan=3 align=right | <br/>James P. Pope<br /> ! rowspan=3 | 10
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|- style="height:2em" | rowspan=2 | Re-elected in 1936.Died. | rowspan=5 | 9 |
|- style="height:2em" | rowspan=3 | rowspan=5 | 10 | rowspan=5 | Elected in 1938.Lost renomination. | rowspan=5 nowrap | Jan 3, 1939 âÂÂ<br/>Jan 3, 1945 | rowspan=5 | Democratic | rowspan=5 align=right | <br/>D. Worth Clark<br /> ! rowspan=5 | 11
|- style="height:2em" | colspan=3 | Vacant | nowrap | Jan 19, 1940 âÂÂ<br/>Jan 27, 1940 |
|- style="height:2em" ! rowspan=4 | 4 | rowspan=4 align=left | <br/>John Thomas<br /> | rowspan=4 | Republican | rowspan=4 | Jan 27, 1940 âÂÂ<br/>Nov 10, 1945 | rowspan=2 | Appointed to continue Borah's term.Elected in 1940 to finish Borah's term.
|- style="height:2em" |
|- style="height:2em" | rowspan=2 | Re-elected in 1942.Died. | rowspan=6 | 10 |
|- style="height:2em" | rowspan=4 | rowspan=8 | 11 | rowspan=8 | Elected in 1944.Lost renomination. | rowspan=8 nowrap | Jan 3, 1945 âÂÂ<br/>Jan 3, 1951 | rowspan=8 | Democratic | rowspan=8 align=right | <br/>Glen H. Taylor<br /> ! rowspan=8 | 12
|- style="height:2em" | colspan=3 | Vacant | nowrap | Nov 10, 1945 âÂÂ<br/>Nov 17, 1945 |
|- style="height:2em" ! 5 | align=left | <br/>Charles C. Gossett<br /> | | Democratic | nowrap | Nov 17, 1945 âÂÂ<br/>Nov 5, 1946 | Appointed to continue Thomas's term.Lost nomination to finish Thomas's term.
|- style="height:2em" ! rowspan=2 | 6 | rowspan=2 align=left | <br/>Henry Dworshak<br /> | rowspan=2 | Republican | rowspan=2 nowrap | Nov 6, 1946 âÂÂ<br/>Jan 3, 1949 | rowspan=2 | Elected in 1946 to finish Thomas's term.Lost re-election.
|- style="height:2em" |
|- style="height:2em" ! 7 | align=left | <br/>Bert H. Miller<br /> | | Democratic | nowrap | Jan 3, 1949 âÂÂ<br/>Oct 8, 1949 | Elected in 1948.Died. | rowspan=5 | 11 | rowspan=3
|- style="height:2em" | colspan=3 | Vacant | nowrap | Oct 8, 1949 âÂÂ<br/>Oct 14, 1949 |
|- style="height:2em" ! rowspan=7 | 8 | rowspan=7 align=left | <br/>Henry Dworshak<br /> | rowspan=7 | Republican | rowspan=7 nowrap | Oct 14, 1949 âÂÂ<br/>Jul 23, 1962 | rowspan=3 | Appointed to continue Miller's term.Elected in 1950 to finish Miller's term.
|- style="height:2em" | | rowspan=3 | 12 | rowspan=3 | Elected in 1950.Lost re-election. | rowspan=3 nowrap | Jan 3, 1951 âÂÂ<br/>Jan 3, 1957 | rowspan=3 | Republican | rowspan=3 align=right | <br/>Herman Welker<br /> ! rowspan=3 | 13
|- style="height:2em" |
|- style="height:2em" | rowspan=3 | Re-elected in 1954 | rowspan=3 | 12 |
|- style="height:2em" | | rowspan=5 | 13 | rowspan=5 | Elected in 1956. | rowspan=14 nowrap | Jan 3, 1957 âÂÂ<br/>Jan 3, 1981 | rowspan=14 | Democratic | rowspan=14 align=right | <br/>Frank Church<br /> ! rowspan=14 | 14
|- style="height:2em" |
|- style="height:2em" | Re-elected in 1960.Died. | rowspan=5 | 13 | rowspan=3
|- style="height:2em" | colspan=3 | Vacant | nowrap | Jul 23, 1962 âÂÂ<br/>Aug 6, 1962 |
|- style="height:2em" ! rowspan=6 | 9 | rowspan=6 align=left | <br/>Len Jordan<br /> | rowspan=6 | Republican | rowspan=6 nowrap | Aug 6, 1962 âÂÂ<br/>Jan 3, 1973 | rowspan=3 | Appointed to continue Dworshak's term.Elected in 1962 to finish Dworshak's term.
|- style="height:2em" | | rowspan=3 | 14 | rowspan=3 | Re-elected in 1962.
|- style="height:2em" |
|- style="height:2em" | rowspan=3 | Re-elected in 1966.Retired. | rowspan=3 | 14 |
|- style="height:2em" | | rowspan=3 | 15 | rowspan=3 | Re-elected in 1968.
|- style="height:2em" |
|- style="height:2em" ! rowspan=9 | 10 | rowspan=9 align=left | <br/>Jim McClure<br /> | rowspan=9 | Republican | rowspan=9 nowrap | Jan 3, 1973 âÂÂ<br/>Jan 3, 1991 | rowspan=3 | Elected in 1972. | rowspan=3 | 15 |
|- style="height:2em" | | rowspan=3 | 16 | rowspan=3 | Re-elected in 1974.Lost re-election.
|- style="height:2em" |
|- style="height:2em" | rowspan=3 | Re-elected in 1978. | rowspan=3 | 16 |
|- style="height:2em" | | rowspan=3 | 17 | rowspan=3 | Elected in 1980. | rowspan=6 nowrap | Jan 3, 1981 âÂÂ<br/>Jan 3, 1993 | rowspan=6 | Republican | rowspan=6 align=right | <br/>Steve Symms<br /> ! rowspan=6 | 15
|- style="height:2em" |
|- style="height:2em" | rowspan=3 | Re-elected in 1984.Retired. | rowspan=3 | 17 |
|- style="height:2em" | | rowspan=3 | 18 | rowspan=3 | Re-elected in 1986.Retired.
|- style="height:2em" |
|- style="height:2em" ! rowspan=9 | 11 | rowspan=9 align=left | <br/>Larry Craig<br /> | rowspan=9 | Republican | rowspan=9 nowrap | Jan 3, 1991 âÂÂ<br/>Jan 3, 2009 | rowspan=3 | Elected in 1990. | rowspan=3 | 18 |
|- style="height:2em" | | rowspan=3 | 19 | rowspan=3 | Elected in 1992.Retired to run for Governor of Idaho. | rowspan=3 nowrap | Jan 3, 1993 âÂÂ<br/>Jan 3, 1999 | rowspan=3 | Republican | rowspan=3 align=right | <br/>Dirk Kempthorne<br /> ! rowspan=3 | 16
|- style="height:2em" |
|- style="height:2em" | rowspan=3 | Re-elected in 1996. | rowspan=3 | 19 |
|- style="height:2em" | | rowspan=3 | 20 | rowspan=3 | Elected in 1998. | rowspan=15 nowrap | Jan 3, 1999 âÂÂ<br/>present | rowspan=15 | Republican | rowspan=15 align=right | <br/>Mike Crapo<br /> ! rowspan=15 | 17
|- style="height:2em" |
|- style="height:2em" | rowspan=3 | Re-elected in 2002.Retired. | rowspan=3 | 20 |
|- style="height:2em" | | rowspan=3 | 21 | rowspan=3 | Re-elected in 2004.
|- style="height:2em" |
|- style="height:2em" ! rowspan=9 | 12 | rowspan=9 align=left | <br/>Jim Risch<br /> | rowspan=9 | Republican | rowspan=9 nowrap | Jan 3, 2009 âÂÂ<br/>present | rowspan=3 | Elected in 2008. | rowspan=3 | 21 |
|- style="height:2em" | | rowspan=3 | 22 | rowspan=3 | Re-elected in 2010.
|- style="height:2em" |
|- style="height:2em" | rowspan=3 | Re-elected in 2014. | rowspan=3 | 22 |
|- style="height:2em" | | rowspan=3 | 23 | rowspan=3 | Re-elected in 2016.
|- style="height:2em" |
|- style="height:2em" | rowspan=3 | Re-elected in 2020. | rowspan=3 | 23 |
|- style="height:2em" | | rowspan=3 |24 | rowspan=3 | Re-elected in 2022.
|- style="height:2em" |
|- style="height:2em" | rowspan=2 colspan=5 | To be determined in the 2026 election. | rowspan=2 | 24 |
|- style="height:2em" | | 25 | colspan=5 | To be determined in the 2028 election.