Illinois U.S. Senators (2026)
IL · U.S. Senate Delegation
Joined the Union
December 3, 1818
Population (Est.)
12,549,689
Current U.S. Senators
Delegation Voting Summary
119th CongressAgreement Rate
91.6%
Dick Durbin and Tammy Duckworth voted the same way on 762 of 832 shared votes
Both are Democrats
Dick Durbin
Senior Senator
Party Unity
92.7%
Missed Votes
2.7%
890 votes cast of 915 roll calls
Tammy Duckworth
Junior Senator
Party Unity
96.7%
Missed Votes
6.6%
855 votes cast of 915 roll calls
Former Senators from Illinois
All 49 former U.S. senators who represented Illinois, most recent first.
- Mark Kirk 2010 – 2017
- Roland Burris 2009 – 2010
- Barack Obama 2005 – 2008
- Peter Fitzgerald 1999 – 2005
- Carol Moseley Braun 1993 – 1999
- Paul Simon 1985 – 1997
- Alan Dixon 1981 – 1993
- Charles Percy 1967 – 1985
- Adlai Stevenson, III 1970 – 1981
- Ralph Smith 1969 – 1970
- Everett Dirksen 1951 – 1969
- Paul Douglas 1949 – 1967
- Scott Lucas 1939 – 1951
- Charles Brooks 1940 – 1949
- James Slattery 1939 – 1940
- James Lewis 1913 – 1939
- William Dieterich 1933 – 1939
- Otis Glenn 1928 – 1933
- Charles Deneen 1925 – 1931
- Frank Smith 1927 – 1928
- William McKinley 1921 – 1926
- J. Medill McCormick 1919 – 1925
- Lawrence Sherman 1913 – 1921
- Shelby Cullom 1883 – 1913
- William Lorimer 1909 – 1912
- Albert Hopkins 1903 – 1909
- William Mason 1897 – 1903
- John Palmer 1891 – 1897
- Charles Farwell 1887 – 1891
- John Logan 1871 – 1886
- David Davis 1877 – 1883
- Richard Oglesby 1873 – 1879
- Lyman Trumbull 1855 – 1873
- Richard Yates 1865 – 1871
- William Richardson 1863 – 1865
- Orville Browning 1861 – 1863
- Stephen Douglas 1847 – 1861
- James Shields 1849 – 1858
- Sidney Breese 1843 – 1849
- James Semple 1843 – 1847
- Samuel McRoberts 1841 – 1843
- Richard Young 1837 – 1843
- John Robinson 1830 – 1841
- William Ewing 1835 – 1837
- Elias Kane 1825 – 1835
- David Baker 1830
- John McLean 1824 – 1830
- Jesse Thomas 1818 – 1829
- Ninian Edwards 1818 – 1824