| 94th Legislature (2025 - ) | Lori Hodapp |
| 93rd Legislature (2023 - 2024) | Lori Hodapp |
| 92nd Legislature (2021 - 2022) | Bob Meyerson |
| 91st Legislature (2019 - 2020) | Bob Meyerson |
| 90th Legislature (2017 - 2018) | Bob Meyerson |
| 89th Legislature (2015 - 2016) | Bob Meyerson |
| 88th Legislature (2013 - 2014) | Travis Reese |
| 87th Legislature (2011 - 2012) | Troy Olsen |
| 86th Legislature (2009 - 2010) | Sandra Dicke |
| 85th Legislature (2007 - 2008) | Sandra Dicke |
| 84th Legislature (2005 - 2006) | Troy Olsen (started 2/3/2005) |
| 84th Legislature (2005) | Shawn M. Peterson |
| 83rd Legislature (2003 - 2004) | Shawn M. Peterson |
| 82nd Legislature (2001 - 2002) | Shawn M. Peterson |
| 81st Legislature (1999 - 2000) | Shawn M. Peterson |
| 80th Legislature (1997 - 1998) | Ronald G. LeBlanc |
| 79th Legislature (1995 - 1996) | Isabelle A. Schmidt |
| 78th Legislature (1994) | Isabelle A. Schmidt |
| 78th Legislature (1993) | Andrew R. Remke |
| 77th Legislature (1991 - 1992) | Andrew R. Remke |
| 76th Legislature (1989 - 1990) | Andrew R. Remke |
| 75th Legislature (1987 - 1988) | Andrew R. Remke |
| 74th Legislature (1985 - 1986) | Walter C. Strand |
| 73rd Legislature (1983 - 1984) | Lawrence W. Bothwell |
| 72nd Legislature (1981 - 1982) | Lawrence W. Bothwell |
| 71st Legislature (1979 - 1980) | Lawrence W. Bothwell |
| 70th Legislature (1977 - 1978) | Lawrence W. Bothwell |
| 69th Legislature (1975 - 1976) | Harlan C. Christianson |
| 68th Legislature (1973 - 1974) | Harlan C. Christianson |
| 67th Legislature (1971 - 1972) | Harvey N. Paulson |
| 66th Legislature (1969 - 1970) | Harvey N. Paulson |
| 65th Legislature (1967 - 1968) | Harvey N. Paulson |
| 64th Legislature (1965 - 1966) | Harvey N. Paulson |
| 63rd Legislature (1963 - 1964) | Harvey N. Paulson |
| 62nd Legislature (1961 - 1962) | Edward Nelson |
| 61st Legislature (1959 - 1960) | Daniel J. McCarthy |
| 60th Legislature (1957 - 1958) | Clint Haroldson |
| 59th Legislature (1955 - 1956) | Fred Denfeld |
| 58th Legislature (1953 - 1954) | C. R. Bjornson |
| 57th Legislature (1951 - 1952) | C. R. Bjornson |
| 56th Legislature (1949 - 1950) | C. R. Bjornson |
| 55th Legislature (1947 - 1948) | Michael J. Mullen |
| 54th Legislature (1945 - 1946) | Michael J. Mullen |
| 53rd Legislature (1943 - 1944) | Hans Olson |
| 52nd Legislature (1941 - 1942) | Edward H. Ulrich |
| 51st Legislature (1939 - 1940) | Joseph W. Uhlis |
| 50th Legislature (1937 - 1938) | Lewis Herfindahl |
| 49th Legislature (1935 - 1936) | W. C. Doerr |
| 48th Legislature (1933 - 1934) | L. C. Rosetter |
| 47th Legislature (1931 - 1932) | John D Ross |
| 46th Legislature (1929 - 1930) | John D Ross |
| 45th Legislature (1927 - 1928) | John D Ross |
| 44th Legislature (1925 - 1926) | Harry Robel |
| 43rd Legislature (1923 - 1924) | Harry Robel |
| 42nd Legislature (1921 - 1922) | Harry Robel |
| 41st Legislature (1919 - 1920) | Harry Robel |
| 40th Legislature (1917 - 1918) | H. C. Brasie |
| 39th Legislature (1915 - 1916) | Gordon J. Bright |
| 38th Legislature (1913 - 1914) | S. A. Simonson |
| 37th Legislature (1911 - 1912) | George H. Deans |
| 36th Legislature (1909 - 1910) | B. F. Seiz |
| 35th Legislature (1907 - 1908) | B. F. Seiz |
| 34th Legislature (1905 - 1906) | Edward D. Claggett |
| 33rd Legislature (1903 - 1904) | Edward Fanning |
| 32nd Legislature (1901 - 1902) | Edward Fanning |
| 32nd Legislature (1901 - 1902) | Edward Fanning |
| 31st Legislature (1899 - 1900) | Edward Fanning |
| 30th Legislature (1897 - 1898) | J. M. Bayer |
| 29th Legislature (1895 - 1896) | J. M. Bayer |
| 28th Legislature (1893 - 1894) | Basil Smout |
| 27th Legislature (1891 - 1892) | Henry F. Plowman |
| 26th Legislature (1889 - 1890) | C. A. Baxter |
| 25th Legislature (1887 - 1888) | W. F. Gray |
| 24th Legislature (1885 - 1886) | W. F. Gray |
| 23rd Legislature (1883 - 1884) | F. H. Dayton |
| 22nd Legislature (1881 - 1882) | F. H. Dayton |
| 21st Legislature (1879 - 1880) | F. H. Dayton |
| 20th Legislature (1878) | A Slotten |
| 19th Legislature (1877) | O. J. Johnson |
| 18th Legislature (1876) | W. Pierce |
| 17th Legislature (1875) | W. Pierce |
| 16th Legislature (1874) | B. Madison |
| 15th Legislature (1873) | B. Madison |
| 14th Legislature (1872) | Thomas George |
| 13th Legislature (1871) | A. C. Hawley |
| 12th Legislature (1870) | A. S. Nobles |
| 11th Legislature (1869) | Axel H. Reed |
| 10th Legislature (1868) | Axel H. Reed |
| 9th Legislature (1867) | M. W. Farmer |
| 8th Legislature (1866) | M. W. Farmer |
| 7th Legislature (1865) | F. M. West |
| 6th Legislature (1864) | L. McDonald |
| 5th Legislature (1863) | G. C. Whitcomb |
| 4th Legislature (1862) | Levi Nutting |
| 3rd Legislature (1861) | Thomas McDonough |
| 2nd Legislature (1859 - 1860) | W. H. Shelly |
| 1st Legislature (1857 - 1858) | John Bell |
| 8th Territorial Legislature (1857) | Thomas Burton |
| 7th Territorial Legislature (1856) | Thomas McDonough |
| 6th Territorial Legislature (1855) | S. B. Garvie |
| 5th Territorial Legislature (1854) | James Middleton |
| 4th Territorial Legislature (1853) | E. F. Parker |
| 3rd Territorial Legislature (1852) | F. M. Grouchy |
| 2nd Territorial Legislature (1851) | W. Cove |
| 1st Territorial Legislature (1849) | Jesse Taylor |