list of United States senators from Illinois
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| image1 = Dick Durbin 117th Congress portrait (1) (tight crop).jpeg
| caption1 = Dick Durbin (D)
| image2 = Tammy Duckworth, official portrait, 115th Congress (2).jpg
| caption2 = Tammy Duckworth (D)
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Illinois was admitted to the Union on December 3, 1818, and has been represented in the United States Senate by 47 senators. Senators from Illinois are elected to class 2 and class 3.
The Senate twice refused to seat Frank L. Smith, in December 1926 for an appointed term and in March 1927 for an elected one, due to corruption, but he is included in this list because Smith and the Governor considered him to be a senator for approximately two years.
Of the eight African Americans ever to sit in the U.S. Senate since Reconstruction, three have held Illinois's class 3 seat, including Barack Obama who went on to become the president of the United States. This makes Illinois the state with the most African-American senators. Illinois's current U.S. senators are Democrats Dick Durbin (serving since 1997) and Tammy Duckworth (serving since 2017). Shelby Moore Cullom was the longest serving senator, who served from 1883 to 1913.
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List of senators
{{List of United States senators heading
| Left_class=2
| Left_intro= Class 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.
| Right_class=3
| Right_intro= Class 3 U.S. senators belong to the electoral cycle that has recently been contested in 2004, 2010, 2016, and 2022. The next election will be in 2028.
}}
|- style="height:2em"
! rowspan=8 | 1
| rowspan=8 align=left | 100px
Jesse B. Thomas
| rowspan=6 {{Party shading/Democratic-Republican}} | Democratic-
Republican
| rowspan=8 nowrap | Dec 3, 1818 –
Mar 3, 1829
| rowspan=3 | Elected in 1818.
| rowspan=3 | 1
| {{List of United States senators Congress|15}}
| 1
| rowspan=4 nowrap | Dec 3, 1818 –
Mar 3, 1824
| rowspan=4 {{Party shading/Democratic-Republican}} | Democratic-
Republican
| rowspan=4 align=right | 100px
Ninian Edwards
! rowspan=4 | 1
|- style="height:2em"
| {{List of United States senators Congress|16}}
| rowspan=5 | 2
| rowspan=3 | Re-elected in 1819.{{pb}}Resigned.
|- style="height:2em"
| {{List of United States senators Congress|17}}
|- style="height:2em"
| rowspan=5 | Re-elected in 1823.{{pb}}Retired.
| rowspan=5 | 2
| {{List of United States senators Congress|18|3}}
|- style="height:2em"
|
| nowrap | Mar 4, 1824 –
Nov 24, 1824
| colspan=3 | Vacant
|- style="height:2em"
| Elected to finish Edwards's term.{{pb}}Retired.
| nowrap | Nov 24, 1824 –
Mar 3, 1825
| {{Party shading/Democratic-Republican}} | Democratic-
Republican
| align=right | 100px
John McLean
! 2
|- style="height:2em"
| rowspan=2 {{Party shading/National Republican}} | National
Republican
| {{List of United States senators Congress|19}}
| rowspan=6 | 3
| rowspan=6 | Elected in 1825.
| rowspan=9 nowrap | Mar 4, 1825 –
Dec 12, 1835
| rowspan=9 {{Party shading/Jacksonian}} | Jacksonian
| rowspan=9 align=right | 100px
Elias Kane
! rowspan=9 | 3
|- style="height:2em"
| {{List of United States senators Congress|20}}
|- style="height:2em"
! 2
| align=left | 100px
John McLean
| {{Party shading/Jacksonian}} | Jacksonian
| nowrap | Mar 4, 1829 –
Oct 14, 1830
| Elected in 1829.{{pb}}Died.
| rowspan=6 | 3
| rowspan=4 {{List of United States senators Congress|21}}
|- style="height:2em"
| colspan=3 | Vacant
| nowrap | Oct 14, 1830 –
Nov 12, 1830
|
|- style="height:2em"
! 3
| align=left | 100px
David J. Baker
| {{Party shading/Jacksonian}} | Jacksonian
| nowrap | Nov 12, 1830 –
Dec 11, 1830
| Appointed to continue McLean's term.{{pb}}Retired.
|- style="height:2em"
! rowspan=8 | 4
| rowspan=8 align=left | 100px
John M. Robinson
| rowspan=6 {{Party shading/Jacksonian}} | Jacksonian
| rowspan=8 nowrap | Dec 11, 1830 –
Mar 3, 1841
| rowspan=3 | Elected to finish McLean's term.
|- style="height:2em"
| {{List of United States senators Congress|22}}
| rowspan=5 | 4
| rowspan=3 | Re-elected in 1831.{{pb}}Died.
|- style="height:2em"
| {{List of United States senators Congress|23}}
|- style="height:2em"
| rowspan=5 | Re-elected in 1835.{{pb}}Retired.
| rowspan=5 | 4
| {{List of United States senators Congress|24|3}}
|- style="height:2em"
|
| nowrap | Dec 12, 1835 –
Dec 30, 1835
| colspan=3 | Vacant
|- style="height:2em"
| Appointed to finish Kane's term.{{pb}}Lost election to full term.
| nowrap | Dec 30, 1835 –
Mar 3, 1837
| {{Party shading/Jacksonian}} | Jacksonian
| align=right | 100px
William Lee D. Ewing
! 4
|- style="height:2em"
| rowspan=2 {{Party shading/Democratic}} | Democratic
| {{List of United States senators Congress|25}}
| rowspan=3 | 5
| rowspan=3 | Elected in 1837.{{pb}}Retired.
| rowspan=3 nowrap | Mar 4, 1837 –
Mar 3, 1843
| rowspan=3 {{Party shading/Democratic}} | Democratic
| rowspan=3 align=right | 100px
Richard M. Young
! rowspan=3 | 5
|- style="height:2em"
| {{List of United States senators Congress|26}}
|- style="height:2em"
! rowspan=2 | 5
| rowspan=2 align=left | 100px
Samuel McRoberts
| rowspan=2 {{Party shading/Democratic}} | Democratic
| rowspan=2 nowrap | Mar 4, 1841 –
Mar 27, 1843
| rowspan=2 | Elected in 1841.{{pb}}Died.
| rowspan=5 | 5
| {{List of United States senators Congress|27}}
|- style="height:2em"
| {{List of United States senators Congress|28|3}}
| rowspan=5 | 6
| rowspan=5 | Elected in 1843.{{pb}}Lost renomination.
| rowspan=5 nowrap | Mar 4, 1843 –
Mar 3, 1849
| rowspan=5 {{Party shading/Democratic}} | Democratic
| rowspan=5 align=right | 100px
Sidney Breese
! rowspan=5 | 6
|- style="height:2em"
| colspan=3 | Vacant
| nowrap | Mar 27, 1843 –
Aug 16, 1843
|
|- style="height:2em"
! rowspan=2 | 6
| rowspan=2 align=left | 100px
James Semple
| rowspan=2 {{Party shading/Democratic}} | Democratic
| rowspan=2 nowrap | Aug 16, 1843 –
Mar 3, 1847
| rowspan=2 | Appointed to continue McRoberts's term.{{pb}}Elected in 1844 to finish McRoberts's term.{{sfn|Byrd & Wolff|page=101|}}{{pb}}Retired.
|- style="height:2em"
| {{List of United States senators Congress|29}}
|- style="height:2em"
! rowspan=10 | 7
| rowspan=10 align=left | 100px
Stephen A. Douglas
| rowspan=10 {{Party shading/Democratic}} | Democratic
| rowspan=10 nowrap | Mar 4, 1847 –
Jun 3, 1861
| rowspan=5 | Elected in 1846.
| rowspan=5 | 6
| {{List of United States senators Congress|30}}
|- style="height:2em"
| {{List of United States senators Congress|31|3}}
| rowspan=5 | 7
| Elected in 1849.{{Cite book|url=https://books.google.com/books?id=9E0PAAAAYAAJ|title=The Statesman's Manual: The Addresses and Messages of the Presidents of the United States, Inaugural, Annual, and Special, from 1789 to 1851|last=Polk|first=James|author-link=James K. Polk|date=1853|publisher=E. Walker|pages=1890|language=en|access-date=May 16, 2018}}{{pb}}Election voided.{{efn | Shields was not seated because he had not been a citizen for the required nine years. He reached that mark on October 21, 1849, so his subsequent election was accepted by the Senate.}}
| nowrap | Mar 4, 1849 –
Mar 15, 1849
| {{Party shading/Democratic}} | Democratic
| align=right | 100px
James Shields
! rowspan=5 | 7
|- style="height:2em"
|
| nowrap | Mar 15, 1849 –
Oct 27, 1849
| colspan=2 | Vacant
|- style="height:2em"
| rowspan=3 | Elected to finish his own term.{{pb}}Lost re-election.
| rowspan=3 nowrap | Oct 27, 1849 –
Mar 3, 1855
| rowspan=3 {{Party shading/Democratic}} | Democratic
| rowspan=3 align=right | 100px
James Shields
|- style="height:2em"
| {{List of United States senators Congress|32}}
|- style="height:2em"
| rowspan=3 | Re-elected in 1852.
| rowspan=3 | 7
| {{List of United States senators Congress|33}}
|- style="height:2em"
| {{List of United States senators Congress|34}}
| rowspan=3 | 8
| rowspan=3 | Elected in 1855.
| rowspan=12 nowrap | Mar 4, 1855 –
Mar 3, 1873
| {{Party shading/Democratic}} | Democratic
| rowspan=12 align=right | 100px
Lyman Trumbull
! rowspan=12 | 8
|- style="height:2em"
| {{List of United States senators Congress|35}}
| rowspan=10 {{Party shading/Republican}} | Republican
|- style="height:2em"
| rowspan=2 | Re-elected in 1859.{{pb}}Died.
| rowspan=6 | 8
| {{List of United States senators Congress|36}}
|- style="height:2em"
| rowspan=4 {{List of United States senators Congress|37}}
| rowspan=6 | 9
| rowspan=6 | Re-elected in 1861.
|- style="height:2em"
| colspan=3 | Vacant
| nowrap | Jun 3, 1861 –
Jun 26, 1861
|
|- style="height:2em"
! 8
| align=left | 100px
Orville Browning
| {{Party shading/Republican}} | Republican
| nowrap | Jun 26, 1861 –
Jan 12, 1863
| Appointed to continue Douglas's term.{{pb}}Retired.
|- style="height:2em"
! rowspan=2 | 9
| rowspan=2 align=left | 100px
William A. Richardson
| rowspan=2 {{Party shading/Democratic}} |Democratic
| rowspan=2 nowrap | Jan 12, 1863 –
Mar 3, 1865
| rowspan=2 | Elected to finish Douglas's term.{{pb}}Retired.
|- style="height:2em"
| {{List of United States senators Congress|38}}
|- style="height:2em"
! rowspan=3 | 10
| rowspan=3 align=left | 100px
Richard Yates
| rowspan=3 {{Party shading/Republican}} | Republican
| rowspan=3 nowrap | Mar 4, 1865 –
Mar 3, 1871
| rowspan=3 | Elected in 1864 or 1865.{{pb}}Retired.
| rowspan=3 | 9
| {{List of United States senators Congress|39}}
|- style="height:2em"
| {{List of United States senators Congress|40}}
| rowspan=3 | 10
| rowspan=3 | Re-elected in 1867.{{pb}}{{data missing|date=February 2020}}
|- style="height:2em"
| {{List of United States senators Congress|41}}
|- style="height:2em"
! rowspan=3 | 11
| rowspan=3 align=left | 100px
John A. Logan
| rowspan=3 {{Party shading/Republican}} | Republican
| rowspan=3 nowrap | Mar 4, 1871 –
Mar 3, 1877
| rowspan=3 | Elected in 1870 or 1871.{{pb}}Lost re-election.
| rowspan=3 | 10
| {{List of United States senators Congress|42}}
| {{Party shading/Liberal Republican}} | Liberal
Republican
|- style="height:2em"
| {{List of United States senators Congress|43}}
| rowspan=3 | 11
| rowspan=3 | Elected in 1873.{{pb}}Retired.
| rowspan=3 nowrap | Mar 4, 1873 –
Mar 3, 1879
| rowspan=3 {{Party shading/Republican}} | Republican
| rowspan=3 align=right | 100px
Richard J. Oglesby
! rowspan=3 | 9
|- style="height:2em"
| {{List of United States senators Congress|44}}
|- style="height:2em"
! rowspan=3 | 12
| rowspan=3 align=left | 100px
David Davis
| rowspan=3 {{Party shading/Independent (US)}} | Independent
| rowspan=3 nowrap | Mar 4, 1877 –
Mar 3, 1883
| rowspan=3 | Elected in 1877.{{pb}}Retired.
| rowspan=3 | 11
| {{List of United States senators Congress|45}}
|- style="height:2em"
| {{List of United States senators Congress|46}}
| rowspan=3 | 12
| rowspan=3 | Elected in 1879.
| rowspan=3 nowrap | Mar 4, 1879 –
Mar 3, 1885
| rowspan=3 {{Party shading/Republican}} | Republican
| rowspan=3 align=right | 100px
John A. Logan
! rowspan=5 | 10
|- style="height:2em"
| {{List of United States senators Congress|47}}
|- style="height:2em"
! rowspan=20 | 13
| rowspan=20 align=left | 100px
Shelby M. Cullom
| rowspan=20 {{Party shading/Republican}} | Republican
| rowspan=20 nowrap | Mar 4, 1883 –
Mar 3, 1913
| rowspan=6 | Elected in 1882.
| rowspan=6 | 12
| {{List of United States senators Congress|48}}
|- style="height:2em"
| rowspan=4 {{List of United States senators Congress|49}}
| rowspan=6 | 13
| Legislature failed to elect.
| nowrap | Mar 4, 1885 –
May 18, 1885
| colspan=2 | Vacant
|- style="height:2em"
| Re-elected late in 1885.{{pb}}Died.
| nowrap | May 19, 1885 –
Dec 26, 1886
| {{Party shading/Republican}} | Republican
| align=right | 100px
John A. Logan
|- style="height:2em"
|
| nowrap | Dec 26, 1886 –
Jan 19, 1887
| colspan=3 | Vacant
|- style="height:2em"
| rowspan=3 | Elected to finish Logan's term.{{pb}}Retired.
| rowspan=3 nowrap | Jan 19, 1887 –
Mar 3, 1891
| rowspan=3 {{Party shading/Republican}} | Republican
| rowspan=3 align=right | 100px
Charles Farwell
! rowspan=3 | 11
|- style="height:2em"
| {{List of United States senators Congress|50}}
|- style="height:2em"
| rowspan=3 | Re-elected in 1888.
| rowspan=3 | 13
| {{List of United States senators Congress|51}}
|- style="height:2em"
| {{List of United States senators Congress|52}}
| rowspan=3 | 14
| rowspan=3 | Elected in 1890.{{pb}}Retired.
| rowspan=3 nowrap | Mar 4, 1891 –
Mar 3, 1897
| rowspan=3 {{Party shading/Democratic}} | Democratic
| rowspan=3 align=right | 100px
John Palmer
! rowspan=3 | 12
|- style="height:2em"
| {{List of United States senators Congress|53}}
|- style="height:2em"
| rowspan=3 | Re-elected in 1894.
| rowspan=3 | 14
| {{List of United States senators Congress|54}}
|- style="height:2em"
| {{List of United States senators Congress|55}}
| rowspan=3 | 15
| rowspan=3 | Elected in 1897.{{cite news | work=The New York Times | date=Jan 21, 1897 | title=Mason in Illinois. | url=http://nyti.ms/2ehUFiS | page=2}}{{pb}}Retired.
| rowspan=3 nowrap | Mar 4, 1897 –
Mar 3, 1903
| rowspan=3 {{Party shading/Republican}} | Republican
| rowspan=3 align=right | 100px
William Mason
! rowspan=3 | 13
|- style="height:2em"
| {{List of United States senators Congress|56}}
|- style="height:2em"
| rowspan=3 | Re-elected in 1901.
| rowspan=3 | 15
| {{List of United States senators Congress|57}}
|- style="height:2em"
| {{List of United States senators Congress|58}}
| rowspan=3 | 16
| rowspan=3 | Elected in 1903.{{pb}}Lost re-election.
| rowspan=3 nowrap | Mar 4, 1903 –
Mar 3, 1909
| rowspan=3 {{Party shading/Republican}} | Republican
| rowspan=3 align=right | 100px
Albert Hopkins
! rowspan=3 | 14
|- style="height:2em"
| {{List of United States senators Congress|59}}
|- style="height:2em"
| rowspan=5 | Re-elected in 1907.{{cite news | work=The New York Times | date=January 23, 1907 | title=NO CHOICE IN RHODE ISLAND | page=1 | url=https://timesmachine.nytimes.com/timesmachine/1907/01/23/101723156.html}}{{pb}}Lost renomination.
| rowspan=5 | 16
| {{List of United States senators Congress|60}}
|- style="height:2em"
| {{List of United States senators Congress|61|2}}
| rowspan=6 | 17
|
| nowrap | Mar 4, 1909 –
Jun 18, 1909
| colspan=3 | Vacant
|- style="height:2em"
| rowspan=2 | Elected in 1909, but ineligible until resignation from U.S. House.{{pb}}Election voided.
| rowspan=2 nowrap | Jun 18, 1909 –
Jul 13, 1912
| rowspan=2 {{Party shading/Republican}} | Republican
| rowspan=2 align=right | 100px
William Lorimer
! rowspan=2 | 15
|- style="height:2em"
| rowspan=2 {{List of United States senators Congress|62}}
|- style="height:2em"
| rowspan=2 |
| rowspan=2 nowrap | Jul 13, 1912 –
Mar 26, 1913
| rowspan=2 colspan=3 | Vacant
|- style="height:2em"
| colspan=3 | Vacant
| nowrap | Mar 4, 1913 –
Mar 26, 1913
| Legislature elected late.
| rowspan=4 | 17
| {{List of United States senators Congress|63|2}}
|- style="height:2em"
! rowspan=3 | 14
| rowspan=3 align=left | 100px
J. Hamilton Lewis
| rowspan=3 {{Party shading/Democratic}} | Democratic
| rowspan=3 nowrap | Mar 26, 1913 –
Mar 3, 1919
| rowspan=3 | Elected late in 1913.{{pb}}Lost re-election.
| Elected in 1913 to finish Lorimer's term.
| rowspan=4 nowrap | Mar 26, 1913 –
Mar 3, 1921
| rowspan=4 {{Party shading/Republican}} | Republican
| rowspan=4 align=right | 100px
Lawrence Y. Sherman
! rowspan=4 | 16
|- style="height:2em"
| {{List of United States senators Congress|64}}
| rowspan=3 | 18
| rowspan=3 | Re-elected in 1914.{{pb}}Retired.
|- style="height:2em"
| {{List of United States senators Congress|65}}
|- style="height:2em"
! rowspan=3 | 15
| rowspan=3 align=left | 100px
Medill McCormick
| rowspan=3 {{Party shading/Republican}} | Republican
| rowspan=3 nowrap | Mar 4, 1919 –
Feb 25, 1925
| rowspan=3 | Elected in 1918.{{pb}}Lost renomination and died just before the end of the term.
| rowspan=4 | 18
| {{List of United States senators Congress|66}}
|- style="height:2em"
| {{List of United States senators Congress|67}}
| rowspan=6 | 19
| rowspan=4 | Elected in 1920.{{pb}}Lost renomination and died just before the end of the term.
| rowspan=4 nowrap | Mar 4, 1921 –
Dec 7, 1926
| rowspan=4 {{Party shading/Republican}} | Republican
| rowspan=4 align=right | 100px
William B. McKinley
! rowspan=4 | 17
|- style="height:2em"
| {{List of United States senators Congress|68|2}}
|- style="height:2em"
! rowspan=7 | 16
| rowspan=7 align=left | 100px
Charles S. Deneen
| rowspan=7 {{Party shading/Republican}} | Republican
| rowspan=7 nowrap | Feb 26, 1925 –
Mar 3, 1931
| Appointed to finish McCormick's term, having already been elected to the next term.
|- style="height:2em"
| rowspan=6 | Elected in 1924.{{pb}}Lost renomination.
| rowspan=6 | 19
| {{List of United States senators Congress|69|3}}
|- style="height:2em"
| Appointed to continue McKinley's term.{{pb}}Not seated/resigned.{{efn | When Smith presented his credentials to serve the remainder of McKinley's term, the Senate refused to seat him based on what it saw as an election rife with fraud and corruption. When Smith returned with his credentials for the term he was elected to, the Senate again refused to seat him for the same reasons. Smith and the Governor considered him to be the rightful senator, but he resigned in February 1928. The Senate does not consider him to have been a senator.}}
| Dec 7, 1926
| {{Party shading/Republican}} | Republican
| align=right | 100px
Frank L. Smith
! | 18
|- style="height:2em"
| rowspan=2 |
| rowspan=2 nowrap | Dec 7, 1926 –
Dec 3, 1928
| rowspan=2 colspan=3 | Vacant
|- style="height:2em"
| {{List of United States senators Congress|70|2}}
| rowspan=4 | 20
|- style="height:2em"
| rowspan=3 | Elected to finish the term.{{pb}}Lost re-election.
| rowspan=3 nowrap | Dec 3, 1928 –
Mar 3, 1933
| rowspan=3 {{Party shading/Republican}} | Republican
| rowspan=3 align=right | 100px
Otis F. Glenn
! rowspan=3 | 19
|- style="height:2em"
| {{List of United States senators Congress|71}}
|- style="height:2em"
! rowspan=5 | 17
| rowspan=5 align=left | 100px
J. Hamilton Lewis
| rowspan=5 {{Party shading/Democratic}} | Democratic
| rowspan=5 nowrap | Mar 4, 1931 –
Apr 9, 1939
| rowspan=3 | Elected in 1930.
| rowspan=3 | 20
| {{List of United States senators Congress|72}}
|- style="height:2em"
| {{List of United States senators Congress|73}}
| rowspan=3 | 21
| rowspan=3 | Elected in 1932.{{pb}}Retired.
| rowspan=3 nowrap | Mar 4, 1933 –
Jan 3, 1939
| rowspan=3 {{Party shading/Democratic}} | Democratic
| rowspan=3 align=right | 100px
William H. Dieterich
! rowspan=3 | 20
|- style="height:2em"
| {{List of United States senators Congress|74}}
|- style="height:2em"
| rowspan=2 | Re-elected in 1936.{{pb}}Died.
| rowspan=6 | 21
| {{List of United States senators Congress|75}}
|- style="height:2em"
| rowspan=4 {{List of United States senators Congress|76}}
| rowspan=6 | 22
| rowspan=6 | Elected in 1938.
| rowspan=9 nowrap | Jan 3, 1939 –
Jan 3, 1951
| rowspan=9 {{Party shading/Democratic}} | Democratic
| rowspan=9 align=right | 100px
Scott W. Lucas
! rowspan=9 | 21
|- style="height:2em"
| colspan=3 | Vacant
| nowrap | Apr 9, 1939 –
Apr 14, 1939
|
|- style="height:2em"
! 18
| align=left | 100px
James M. Slattery
| {{Party shading/Democratic}} | Democratic
| nowrap | Apr 14, 1939 –
Nov 21, 1940
| Appointed to continue Lewis's term.{{pb}}Lost election to finish Lewis's term.
|- style="height:2em"
! rowspan=5 | 19
| rowspan=5 align=left | 100px
C. Wayland Brooks
| rowspan=5 {{Party shading/Republican}} | Republican
| rowspan=5 nowrap | Nov 22, 1940 –
Jan 3, 1949
| rowspan=2 | Elected to finish Lewis's term.
|- style="height:2em"
| {{List of United States senators Congress|77}}
|- style="height:2em"
| rowspan=3 | Re-elected in 1942.{{pb}}Lost re-election.
| rowspan=3 | 22
| {{List of United States senators Congress|78}}
|- style="height:2em"
| {{List of United States senators Congress|79}}
| rowspan=3 | 23
| rowspan=3 | Re-elected in 1944.{{pb}}Lost re-election.
|- style="height:2em"
| {{List of United States senators Congress|80}}
|- style="height:2em"
! rowspan=9 | 20
| rowspan=9 align=left | 100px
Paul Douglas
| rowspan=9 {{Party shading/Democratic}} | Democratic
| rowspan=9 nowrap | Jan 3, 1949 –
Jan 3, 1967
| rowspan=3 | Elected in 1948.
| rowspan=3 | 23
| {{List of United States senators Congress|81}}
|- style="height:2em"
| {{List of United States senators Congress|82}}
| rowspan=3 | 24
| rowspan=3 | Elected in 1950.
| rowspan=10 nowrap | Jan 3, 1951 –
Sep 7, 1969
| rowspan=10 {{Party shading/Republican}} | Republican
| rowspan=10 align=right | 100px
Everett Dirksen
! rowspan=10 | 22
|- style="height:2em"
| {{List of United States senators Congress|83}}
|- style="height:2em"
| rowspan=3 | Re-elected in 1954.
| rowspan=3 | 24
| {{List of United States senators Congress|84}}
|- style="height:2em"
| {{List of United States senators Congress|85}}
| rowspan=3 | 25
| rowspan=3 | Re-elected in 1956.
|- style="height:2em"
| {{List of United States senators Congress|86}}
|- style="height:2em"
| rowspan=3 | Re-elected in 1960.{{pb}}Lost re-election.
| rowspan=3 | 25
| {{List of United States senators Congress|87}}
|- style="height:2em"
| {{List of United States senators Congress|88}}
| rowspan=3 | 26
| rowspan=3 | Re-elected in 1962.
|- style="height:2em"
| {{List of United States senators Congress|89}}
|- style="height:2em"
! rowspan=13 | 21
| rowspan=13 align=left | 100px
Charles H. Percy
| rowspan=13 {{Party shading/Republican}} | Republican
| rowspan=13 nowrap | Jan 3, 1967 –
Jan 3, 1985
| rowspan=7 | Elected in 1966.
| rowspan=7 | 26
| {{List of United States senators Congress|90}}
|- style="height:2em"
| rowspan=5 {{List of United States senators Congress|91}}
| rowspan=7 | 27
| Re-elected in 1968.{{pb}}Died.
|- style="height:2em"
|
| nowrap | Sep 7, 1969 –
Sep 17, 1969
| colspan=3 | Vacant
|- style="height:2em"
| Appointed to continue Dirksen's term.{{pb}}Lost election to finish Dirksen's term.
| nowrap | Sep 17, 1969 –
Nov 3, 1970
| {{Party shading/Republican}} | Republican
| align=right | 100px
Ralph T. Smith
! 23
|- style="height:2em"
|
| nowrap | Nov 3, 1970 –
Nov 17, 1970
| colspan=3 | Vacant
|- style="height:2em"
| rowspan=3 | Elected to finish Dirksen's term.
| rowspan=6 nowrap | Nov 17, 1970 –
Jan 3, 1981
| rowspan=6 {{Party shading/Democratic}} | Democratic
| rowspan=6 align=right | 100px
Adlai Stevenson III
! rowspan=6 | 24
|- style="height:2em"
| {{List of United States senators Congress|92}}
|- style="height:2em"
| rowspan=3 | Re-elected in 1972.
| rowspan=3 | 27
| {{List of United States senators Congress|93}}
|- style="height:2em"
| {{List of United States senators Congress|94}}
| rowspan=3 | 28
| rowspan=3 | Re-elected in 1974.{{pb}}Retired.
|- style="height:2em"
| {{List of United States senators Congress|95}}
|- style="height:2em"
| rowspan=3 | Re-elected in 1978.{{pb}}Lost re-election.
| rowspan=3 | 28
| {{List of United States senators Congress|96}}
|- style="height:2em"
| {{List of United States senators Congress|97}}
| rowspan=3 | 29
| rowspan=3 | Elected in 1980.
| rowspan=6 nowrap | Jan 3, 1981 –
Jan 3, 1993
| rowspan=6 {{Party shading/Democratic}} | Democratic
| rowspan=6 align=right | 100px
Alan J. Dixon
! rowspan=6 | 25
|- style="height:2em"
| {{List of United States senators Congress|98}}
|- style="height:2em"
! rowspan=6 | 22
| rowspan=6 align=left |100px
Paul Simon
| rowspan=6 {{Party shading/Democratic}} | Democratic
| rowspan=6 nowrap | Jan 3, 1985 –
Jan 3, 1997
| rowspan=3 | Elected in 1984.
| rowspan=3 | 29
| {{List of United States senators Congress|99}}
|- style="height:2em"
| {{List of United States senators Congress|100}}
| rowspan=3 | 30
| rowspan=3 | Re-elected in 1986.{{pb}}Lost renomination.
|- style="height:2em"
| {{List of United States senators Congress|101}}
|- style="height:2em"
| rowspan=3 | Re-elected in 1990.{{pb}}Retired.
| rowspan=3 | 30
| {{List of United States senators Congress|102}}
|- style="height:2em"
| {{List of United States senators Congress|103}}
| rowspan=3 | 31
| rowspan=3 | Elected in 1992.{{pb}}Lost re-election.
| rowspan=3 nowrap | Jan 3, 1993 –
Jan 3, 1999
| rowspan=3 {{Party shading/Democratic}} | Democratic
| rowspan=3 align=right | 100px
Carol Moseley Braun
! rowspan=3 | 26
|- style="height:2em"
| {{List of United States senators Congress|104}}
|- style="height:2em"
! rowspan=18 | 23
| rowspan=18 align=left | 100px
Dick Durbin
| rowspan=18 {{Party shading/Democratic}} | Democratic
| rowspan=18 nowrap | Jan 3, 1997 –
present
| rowspan=3 | Elected in 1996.
| rowspan=3 | 31
| {{List of United States senators Congress|105}}
|- style="height:2em"
| {{List of United States senators Congress|106}}
| rowspan=3 | 32
| rowspan=3 | Elected in 1998.{{pb}}Retired.
| rowspan=3 nowrap | Jan 3, 1999 –
Jan 3, 2005
| rowspan=3 {{Party shading/Republican}} | Republican
| rowspan=3 align=right | 100px
Peter Fitzgerald
! rowspan=3 | 27
|- style="height:2em"
| {{List of United States senators Congress|107}}
|- style="height:2em"
| rowspan=4 | Re-elected in 2002.
| rowspan=4 | 32
| {{List of United States senators Congress|108}}
|- style="height:2em"
| {{List of United States senators Congress|109}}
| rowspan=6 | 33
| rowspan=2 | Elected in 2004.{{pb}}Resigned to become U.S. President.
| rowspan=2 nowrap | Jan 3, 2005 –
Nov 16, 2008
| rowspan=2 {{Party shading/Democratic}} | Democratic
| rowspan=2 align=right | 100px
Barack Obama
! rowspan=2 | 28
|- style="height:2em"
| {{List of United States senators Congress|110|2}}
|- style="height:2em"
| rowspan=2 |
| rowspan=2 nowrap | Nov 16, 2008 –
Jan 12, 2009
| rowspan=2 colspan=3 | Vacant
|- style="height:2em"
| rowspan=5 | Re-elected in 2008.
| rowspan=5 | 33
| {{List of United States senators Congress|111|3}}
|- style="height:2em"
| Appointed to continue Obama's term. | | Jan 12, 2009 – | {{Party shading/Democratic}} | Democratic | align=right | 100px ! 29 |- style="height:2em" | Elected to finish Obama's term.{{efn | name=kirk | Kirk was elected to fill the remainder of Barack Obama's term in a special election held the same day as the general election for the next term, which he also won.}} | rowspan=4 nowrap | Nov 29, 2010 – | rowspan=4 {{Party shading/Republican}} | Republican | rowspan=4 align=right | 100px ! rowspan=4 | 30 |- style="height:2em" | {{List of United States senators Congress|112}} | rowspan=3 | 34 | rowspan=3 | Elected to full term in 2010.{{efn | name=kirk|}}{{pb}}Lost re-election. |- style="height:2em" | {{List of United States senators Congress|113}} |- style="height:2em" | rowspan=3 | Re-elected in 2014. | rowspan=3 | 34 | {{List of United States senators Congress|114}} |- style="height:2em" | {{List of United States senators Congress|115}} | rowspan=3 | 35 | rowspan=3 | Elected in 2016. | rowspan=6 nowrap | Jan 3, 2017 – | rowspan=6 {{Party shading/Democratic}} | Democratic | rowspan=6 align=right | 100px ! rowspan=6 | 31 |- style="height:2em" | {{List of United States senators Congress|116}} |- style="height:2em" | rowspan=3 |Re-elected in 2020.{{pb}}Retiring at the end of term. | rowspan=3 | 35 | {{List of United States senators Congress|117}} |- style="height:2em" | {{List of United States senators Congress|118}} | rowspan=3|36 | rowspan=3 | Re-elected in 2022. |- style="height:2em" | {{List of United States senators Congress|119}} |- style="height:2em" | rowspan=2 colspan=5 | To be determined in the 2026 election. | rowspan=2| 36 | {{List of United States senators Congress|120}} |- style="height:2em" | {{List of United States senators Congress|121}} | 37 | colspan=5 | To be determined in the 2028 election. {{List of United States senators footer | Left_class=2 | Right_class=3 }}
Nov 29, 2010
Roland Burris
Jan 3, 2017
Mark Kirk
present
Tammy Duckworth
See also
{{Portal|United States|Illinois|Politics}}
Notes
{{Notelist}}
References
{{reflist}}
External links
- {{cite web
| title = Party Division in the Senate, 1789-Present
| publisher = via Senate.gov
| url = https://www.senate.gov/pagelayout/history/one_item_and_teasers/partydiv.htm
}}
- {{cite book
| last = Byrd | first = Robert C. | author-link1 = Robert Byrd
| editor1-first = Wendy | editor1-last = Wolff
| title = The Senate, 1789-1989: Historical Statistics, 1789-1992
| edition = volume 4 Bicentennial
| department = United States Senate Historical Office
| location = Washington, D.C.
| publisher = U.S. Government Printing Office
| date = October 1, 1993
| isbn = 9780160632563 | ref = {{sfnRef | Byrd & Wolff}}
| url = https://books.google.com/books?id=PeHByMYxVm8C
}}
- {{cite web
| last1 = Taft | first1 = George S. | author-link1 = George S. Taft
| last2 = Furber | first2 = George P.
| last3 = Buck | first3 = George M.
| last4 = Webb | first4 = Charles A.
| last5 = Pierce | first5 = Herbert R.
| title = Compilation of Senate Election Cases from 1789 to 1913
| department = U.S. Senate Committee on Privileges and Elections
| year = 1913
| publisher = U.S. Government Printing Office
| location = Washington, D.C.
| ref = {{sfnRef | Taft, et al.}}
| url = https://books.google.com/books?id=XrItAAAAYAAJ
}}
{{U.S. congressional delegations}}
{{IL-FedRep}}
{{United States senators from Illinois}}
{{Illinois}}