# List of Oregon Legislative Assemblies

The legislature of the U.S. state of Oregon has convened many times since statehood became effective on February 14, 1859. It continues to operate under the amended 1857 Oregon Constitution.

## Territorial legislatures

* 1849 Oregon Territorial Legislature
* 1850 Oregon Territorial Legislature
* 1851 Oregon Territorial Legislature
* 1852 Oregon Territorial Legislature
* 1853 Oregon Territorial Legislature
* 1854 Oregon Territorial Legislature
* 1855 Oregon Territorial Legislature
* 1856 Oregon Territorial Legislature
* 1857 Oregon Territorial Legislature
* 1858 Oregon Territorial Legislature

## State legislatures

| Name | Convened | Adjourned | Last election |
| 1st Oregon Legislative Assembly [Wikidata] | September 10, 1860 | October 19, 1860 | June 1860 |
| 2nd Oregon Legislative Assembly [Wikidata] | September 8, 1862 | October 17, 1862 | June 1862 |
| 3rd Oregon Legislative Assembly [Wikidata] | September 12, 1864 | October 22, 1864 | June 1864 |
| 4th Oregon Legislative Assembly [Wikidata] | 1866 | | |
| 5th Oregon Legislative Assembly [Wikidata] | 1868 | | |
| 6th Oregon Legislative Assembly [Wikidata] | 1870 | | |
| 7th Oregon Legislative Assembly [Wikidata] | September 9, 1872 | | |
| 8th Oregon Legislative Assembly [Wikidata] | 1874 | | |
| 9th Oregon Legislative Assembly [Wikidata] | 1876 | | |
| 10th Oregon Legislative Assembly [Wikidata] | September 9, 1878 | | |
| 11th Oregon Legislative Assembly [Wikidata] | 1880 | | |
| 12th Oregon Legislative Assembly [Wikidata] | September 11, 1882 | | |
| 13th Oregon Legislative Assembly [Wikidata] | 1885 | | June 1884 |
| 14th Oregon Legislative Assembly [Wikidata] | January 10, 1887 | | |
| 15th Oregon Legislative Assembly [Wikidata] | January 14, 1889 | | June 1888 |
| 16th Oregon Legislative Assembly [Wikidata] | January 9, 1891 | | |
| 17th Oregon Legislative Assembly [Wikidata] | January 9, 1893 | | |
| 18th Oregon Legislative Assembly [Wikidata] | January 14, 1895 | | |
| 19th Oregon Legislative Assembly | January 11, 1897 | | June 1896 |
| 20th Oregon Legislative Assembly [Wikidata] | January 9, 1899 | | |
| 21st Oregon Legislative Assembly | January 14, 1901 | | |
| 22nd Oregon Legislative Assembly [Wikidata] | 1903 | | June 1902 |
| 23rd Oregon Legislative Assembly [Wikidata] | 1905 | | |
| 24th Oregon Legislative Assembly [Wikidata] | 1907 | | June 1906 |
| 25th Oregon Legislative Assembly [Wikidata] | 1909 | | |
| 26th Oregon Legislative Assembly | 1911 | | November 1910 |
| 27th Oregon Legislative Assembly | 1913 | | November 1912 |
| 28th Oregon Legislative Assembly [Wikidata] | 1915 | | November 1914 |
| 29th Oregon Legislative Assembly [Wikidata] | January 8, 1917 | | November 1916 |
| 30th Oregon Legislative Assembly [Wikidata] | 1919 | | November 1918 |
| 31st Oregon Legislative Assembly [Wikidata] | 1921 | | November 1920 |
| 32nd Oregon Legislative Assembly | 1923 | | November 1922 |
| 33rd Oregon Legislative Assembly [Wikidata] | 1925 | | November 1924 |
| 34th Oregon Legislative Assembly [Wikidata] | 1927 | | November 1926 |
| 35th Oregon Legislative Assembly | January 14, 1929 | | November 1928 |
| 36th Oregon Legislative Assembly [Wikidata] | 1931 | | November 1930 |
| 37th Oregon Legislative Assembly [Wikidata] | 1933 | | November 1932 |
| 38th Oregon Legislative Assembly [Wikidata] | 1935 | | November 1934 |
| 39th Oregon Legislative Assembly [Wikidata] | 1937 | | November 1936 |
| 40th Oregon Legislative Assembly [Wikidata] | 1939 | | November 1938 |
| 41st Oregon Legislative Assembly [Wikidata] | 1941 | | November 1940 |
| 42nd Oregon Legislative Assembly [Wikidata] | 1942 | | |
| 43rd Oregon Legislative Assembly [Wikidata] | 1944 | | |
| 44th Oregon Legislative Assembly | January 13, 1947 | | November 1946 |
| 45th Oregon Legislative Assembly [Wikidata] | 1949 | | November 1948 |
| 46th Oregon Legislative Assembly [Wikidata] | 1951 | | November 1950 |
| 47th Oregon Legislative Assembly [Wikidata] | 1953 | | November 1952 |
| 48th Oregon Legislative Assembly [Wikidata] | 1955 | | November 1954 |
| 49th Oregon Legislative Assembly [Wikidata] | 1957 | | November 1956 |
| 50th Oregon Legislative Assembly [Wikidata] | 1959 | | November 4, 1958 |
| 51st Oregon Legislative Assembly [Wikidata] | January 9, 1961 | | November 8, 1960 |
| 52nd Oregon Legislative Assembly [Wikidata] | 1963 | | November 1962 |
| 53rd Oregon Legislative Assembly | 1965 | | November 1964 |
| 54th Oregon Legislative Assembly | 1967 | | November 8, 1966 |
| 55th Oregon Legislative Assembly | 1969 | | November 1968 |
| 56th Oregon Legislative Assembly | 1971 | | November 3, 1970 |
| 57th Oregon Legislative Assembly | 1973 | | November 1972 |
| 58th Oregon Legislative Assembly | 1975 | | November 1974 |
| 59th Oregon Legislative Assembly | 1977 | | November 1976 |
| 60th Oregon Legislative Assembly | 1979 | | November 1978 |
| 61st Oregon Legislative Assembly | 1981 | | November 1980 |
| 62nd Oregon Legislative Assembly | 1983 | | November 1982 |
| 63rd Oregon Legislative Assembly | 1985 | | November 1984 |
| 64th Oregon Legislative Assembly | 1987 | | November 1986 |
| 65th Oregon Legislative Assembly | 1989 | | November 1988 |
| 66th Oregon Legislative Assembly | 1991 | | November 1990 |
| 67th Oregon Legislative Assembly | 1993 | | November 1992 |
| 68th Oregon Legislative Assembly | 1995 | | November 1994 |
| 69th Oregon Legislative Assembly | 1997 | | November 1996 |
| 70th Oregon Legislative Assembly | 1999 | | November 1998 |
| 71st Oregon Legislative Assembly | 2001 | | November 2000 |
| 72nd Oregon Legislative Assembly | 2003 | | November 2002 |
| 73rd Oregon Legislative Assembly | 2005 | | November 2004 |
| 74th Oregon Legislative Assembly | 2007 | | November 2006 |
| 75th Oregon Legislative Assembly | 2009 | | 2008 Oregon legislative election |
| 76th Oregon Legislative Assembly | 2011 | | 2010 Oregon legislative election |
| 77th Oregon Legislative Assembly | 2013 | | 2012 Oregon legislative election |
| 78th Oregon Legislative Assembly | 2015 | | 2016 Oregon legislative election |
| 79th Oregon Legislative Assembly | 2017 | | 2018 Oregon legislative election |
| 80th Oregon Legislative Assembly | 2019 | | November 2018 |
| 81st Oregon Legislative Assembly | January 11, 2021 | March 4, 2022 | November 2020: House, Senate |
| 82nd Oregon Legislative Assembly | January 9, 2023 | | November 2022: House, Senate |
| 83rd Oregon Legislative Assembly | January 21, 2025 | | November 5, 2024: House, Senate |