# List of Illinois state legislatures

The Illinois General Assembly, the legislature of the U.S. state of Illinois, has convened many times since statehood became effective on December 3, 1818.

## Legislatures

| Number | Name | Convened | Adjourned | Last election |
| Illinois Constitution of 1818 |||||
| 1 | 1st Illinois General Assembly | October 4, 1818 | March 31, 1819 | |
| 2 | 2nd Illinois General Assembly | December 4, 1820 | February 15, 1821 | |
| 3 | 3rd Illinois General Assembly | December 2, 1822 | February 18, 1823 | |
| 4 | 4th Illinois General Assembly | November 15, 1824 | January 15, 1825 | |
| 5 | 5th Illinois General Assembly | December 4, 1826 | February 19, 1827 | |
| 6 | 6th Illinois General Assembly | December 1, 1828 | January 23, 1829 | |
| 7 | 7th Illinois General Assembly [Wikidata] | December 6, 1830 | February 14, 1831 | |
| 8 | 8th Illinois General Assembly [Wikidata] | December 3, 1832 | March 2, 1833 | |
| 9 | 9th Illinois General Assembly [Wikidata] | December 1, 1834 (?) | February 17, 1835 (?) | |
| 10 | 10th Illinois General Assembly [Wikidata] | December 5, 1836 | March 6, 1837 (?) | |
| 11 | 11th Illinois General Assembly [Wikidata] | December 3, 1838 | March 14, 1839 | |
| 12 | 12th Illinois General Assembly [Wikidata] | December 7, 1840 (?) | April 20, 1841 | |
| 13 | 13th Illinois General Assembly [Wikidata] | December 5, 1842 | May 1, 1843 | |
| 14 | 14th Illinois General Assembly [Wikidata] | December 2, 1844 | May 5, 1845 | |
| 15 | 15th Illinois General Assembly [Wikidata] | December 7, 1846 | April 19, 1847 | |
| Illinois Constitution of 1848 |||||
| 16 | 16th Illinois General Assembly [Wikidata] | January 1, 1849 | June 14, 1849 | |
| 17 | 17th Illinois General Assembly [Wikidata] | January 6, 1851 | April 22, 1851 | |
| 18 | 18th Illinois General Assembly [Wikidata] | January 3, 1853 | April 16, 1853 | |
| 19 | 19th Illinois General Assembly [Wikidata] | January 1, 1855 | September 20, 1855 | |
| 20 | 20th Illinois General Assembly [Wikidata] | January 5, 1857 | (?), 1857 | |
| 21 | 21st Illinois General Assembly [Wikidata] | January 3, 1859 | July 1, 1859 | |
| 22 | 22nd Illinois General Assembly [Wikidata] | January 7, 1861 | March 14, 1861 | |
| 23 | 23rd Illinois General Assembly [Wikidata] | January 5, 1863 | July 15, 1863 | |
| 24 | 24th Illinois General Assembly [Wikidata] | January 2, 1865 | March 17, 1865 | |
| 25 | 25th Illinois General Assembly [Wikidata] | January 7, 1867 | April 17, 1867 | |
| 26 | 26th Illinois General Assembly [Wikidata] | January 4, 1869 | September 10, 1869 | |
| Illinois Constitution of 1870 |||||
| 27 | 27th Illinois General Assembly [Wikidata] | January 4, 1871 | May 8, 1872 | |
| 28 | 28th Illinois General Assembly | January 8, 1873 | March 31, 1874 | |
| 29 | 29th Illinois General Assembly | January 6, 1875 | April 15, 1875 | |
| 30 | 30th Illinois General Assembly [Wikidata] | January (?), 1877 | June 29, 1877 | |
| 31 | 31st Illinois General Assembly [Wikidata] | January 8, 1879 | May 31, 1879 | |
| 32 | 32nd Illinois General Assembly [Wikidata] | January 5, 1881 | May 30, 1881 | |
| 33 | 33rd Illinois General Assembly [Wikidata] | January 3, 1883 | June 18, 1883 | |
| 34 | 34th Illinois General Assembly [Wikidata] | January 7, 1885 | June 26, 1885 | |
| 35 | 35th Illinois General Assembly [Wikidata] | January 5, 1887 | June 15, 1887 | |
| 36 | 36th Illinois General Assembly [Wikidata] | January 9, 1889 | July 1890 | |
| 37 | 37th Illinois General Assembly [Wikidata] | January 7, 1891 | June 12, 1891 | |
| 38 | 38th Illinois General Assembly [Wikidata] | January 4, 1893 | June 16, 1893 | |
| 39 | 39th Illinois General Assembly [Wikidata] | January 9, 1895 | June 14, 1895 | |
| 40 | 40th Illinois General Assembly [Wikidata] | January 6, 1897 | June 4, 1897 | |
| 41 | 41st Illinois General Assembly [Wikidata] | January 4, 1899 | April 14, 1899 | |
| 42 | 42nd Illinois General Assembly [Wikidata] | January 9, 1901 | May 4, 1901 | |
| 43 | 43rd Illinois General Assembly [Wikidata] | January 7, 1903 | May 7, 1903 | |
| 44 | 44th Illinois General Assembly [Wikidata] | January 4, 1905 | May 6, 1905 | |
| 45 | 45th Illinois General Assembly [Wikidata] | January 9, 1907 | October 8, 1907 | |
| 46 | 46th Illinois General Assembly | January 6, 1909 | June 4, 1909 | |
| 47 | 47th Illinois General Assembly | January 4, 1911 | June 1, 1911 | |
| 48 | 48th Illinois General Assembly | January 8, 1913 | June 13, 1913 | |
| 49 | 49th Illinois General Assembly | January 6, 1915 | June 30, 1915 | |
| 50 | 50th Illinois General Assembly | January 3, 1917 | June 29, 1917 | |
| 51 | 51st Illinois General Assembly | January 8, 1919 | June 30, 1919 | |
| 52 | 52nd Illinois General Assembly | 1921 | 1922 | |
| 53 | 53rd Illinois General Assembly | 1923 | 1924 | |
| 54 | 54th Illinois General Assembly | 1925 | 1926 | |
| 55 | 55th Illinois General Assembly | 1927 | 1928 | |
| 56 | 56th Illinois General Assembly | 1929 | 1930 | |
| 57 | 57th Illinois General Assembly | 1931 | 1932 | |
| 58 | 58th Illinois General Assembly | 1933 | 1934 | |
| 59 | 59th Illinois General Assembly | 1935 | 1936 | |
| 60 | 60th Illinois General Assembly | 1937 | 1938 | |
| 61 | 61st Illinois General Assembly [Wikidata] | 1939 | 1940 | |
| 62 | 62nd Illinois General Assembly [Wikidata] | 1941 | 1942 | |
| 63 | 63rd Illinois General Assembly [Wikidata] | 1943 | 1944 | |
| 64 | 64th Illinois General Assembly [Wikidata] | 1945 | 1946 | |
| 65 | 65th Illinois General Assembly | 1947 | 1948 | |
| 66 | 66th Illinois General Assembly | 1949 | 1950 | |
| 67 | 67th Illinois General Assembly | 1951 | 1952 | |
| 68 | 68th Illinois General Assembly | 1953 | 1954 | |
| 69 | 69th Illinois General Assembly | 1955 | 1956 | |
| 70 | 70th Illinois General Assembly | 1957 | 1958 | |
| 71 | 71st Illinois General Assembly | 1959 | 1960 | |
| 72 | 72nd Illinois General Assembly | 1961 | 1962 | |
| 73 | 73rd Illinois General Assembly | 1963 | 1964 | |
| 74 | 74th Illinois General Assembly | 1965 | 1966 | |
| 75 | 75th Illinois General Assembly [Wikidata] | 1967 | 1968 | |
| 76 | 76th Illinois General Assembly [Wikidata] | 1969 | 1970 | |
| Illinois Constitution of 1970 |||||
| 77 | 77th Illinois General Assembly [Wikidata] | 1971 | 1972 | |
| 78 | 78th Illinois General Assembly [Wikidata] | 1973 | 1974 | |
| 79 | 79th Illinois General Assembly [Wikidata] | 1975 | 1976 | |
| 80 | 80th Illinois General Assembly [Wikidata] | 1977 | 1978 | |
| 81 | 81st Illinois General Assembly [Wikidata] | 1979 | 1980 | |
| 82 | 82nd Illinois General Assembly [Wikidata] | 1981 | 1982 | |
| 83 | 83rd Illinois General Assembly [Wikidata] | 1983 | 1984 | |
| 84 | 84th Illinois General Assembly [Wikidata] | 1985 | 1986 | |
| 85 | 85th Illinois General Assembly [Wikidata] | 1987 | 1988 | |
| 86 | 86th Illinois General Assembly [Wikidata] | 1989 | 1990 | |
| 87 | 87th Illinois General Assembly [Wikidata] | 1991 | 1992 | |
| 88 | 88th Illinois General Assembly [Wikidata] | 1993 | 1994 | |
| 89 | 89th Illinois General Assembly [Wikidata] | 1995 | 1996 | |
| 90 | 90th Illinois General Assembly [Wikidata] | 1997 | 1998 | |
| 91 | 91st Illinois General Assembly [Wikidata] | 1999 | 2000 | |
| 92 | 92nd Illinois General Assembly [Wikidata] | 2001 | 2002 | |
| 93 | 93rd Illinois General Assembly | 2003 | 2004 | |
| 94 | 94th Illinois General Assembly | 2005 | 2006 | |
| 95 | 95th Illinois General Assembly | January 14, 2007 | January 14, 2009 | November 2006: House |
| 96 | 96th Illinois General Assembly | 2009 | 2010 | November 2008: House, Senate |
| 97 | 97th Illinois General Assembly | 2011 | 2012 | November 2010: House, Senate |
| 98 | 98th Illinois General Assembly | 2013 | 2014 | November 2012: House, Senate |
| 99 | 99th Illinois General Assembly | 2015 | 2016 | November 2014: House, Senate |
| 100 | 100th Illinois General Assembly | January 11, 2017 | January 9, 2018 | November 2016: House, Senate |
| 101 | 101st Illinois General Assembly | January 9, 2019 | January 13, 2021 | November 2018: House, Senate |
| 102 | 102nd Illinois General Assembly | January 13, 2021 | January 10, 2023 | November 2020: House, Senate |
| 103 | 103rd | 2023 | | November 2022: House, Senate |
| 104 | 104th | | | November 5, 2024: House, Senate |